Lončar, Boris B.

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  • Lončar, Boris B. (43)
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Author's Bibliography

Radon and thoron exhalation rate measurements from building materials used in Serbia

Čeliković, Igor T.; Pantelić, Gordana K.; Živanović, Miloš Z.; Vukanac, Ivana; Krneta-Nikolić, Jelena D.; Kandić, Aleksandar; Lončar, Boris B.

(2020)

TY  - JOUR
AU  - Čeliković, Igor T.
AU  - Pantelić, Gordana K.
AU  - Živanović, Miloš Z.
AU  - Vukanac, Ivana
AU  - Krneta-Nikolić, Jelena D.
AU  - Kandić, Aleksandar
AU  - Lončar, Boris B.
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9052
AB  - The second most important source of indoor radon, after soil beneath dwelling, is building material. With the increase in environmental awareness and new energy-saving policies, residents tend to replace the existing windows with tighter windows, which leads to a decrease in air exchange rate and consequently an increase in indoor radon concentration. In case of low exchange rates, dose caused by inhalation of radon and its progeny can exceed external dose originating from the radium content in the surrounding building material. In this paper, surface exhalation rates of radon ( 222 Rn) and thoron ( 220 Rn) from typical building materials used for construction and interior decoration of houses in Serbia were investigated. Surface exhalation rate measurements were performed using the closed-chamber method, while concentrations of radon and thoron in the chamber were continuously measured using an active device, RTM1688-2, produced by SARAD® GmbH. Finally, the impact of the replacement of windows on the indoor radon concentration was estimated.
T2  - Nukleonika
T1  - Radon and thoron exhalation rate measurements from building materials used in Serbia
VL  - 65
IS  - 2
SP  - 111
EP  - 114
DO  - 10.2478/nuka-2020-0017
ER  - 
@article{
author = "Čeliković, Igor T. and Pantelić, Gordana K. and Živanović, Miloš Z. and Vukanac, Ivana and Krneta-Nikolić, Jelena D. and Kandić, Aleksandar and Lončar, Boris B.",
year = "2020",
url = "https://vinar.vin.bg.ac.rs/handle/123456789/9052",
abstract = "The second most important source of indoor radon, after soil beneath dwelling, is building material. With the increase in environmental awareness and new energy-saving policies, residents tend to replace the existing windows with tighter windows, which leads to a decrease in air exchange rate and consequently an increase in indoor radon concentration. In case of low exchange rates, dose caused by inhalation of radon and its progeny can exceed external dose originating from the radium content in the surrounding building material. In this paper, surface exhalation rates of radon ( 222 Rn) and thoron ( 220 Rn) from typical building materials used for construction and interior decoration of houses in Serbia were investigated. Surface exhalation rate measurements were performed using the closed-chamber method, while concentrations of radon and thoron in the chamber were continuously measured using an active device, RTM1688-2, produced by SARAD® GmbH. Finally, the impact of the replacement of windows on the indoor radon concentration was estimated.",
journal = "Nukleonika",
title = "Radon and thoron exhalation rate measurements from building materials used in Serbia",
volume = "65",
number = "2",
pages = "111-114",
doi = "10.2478/nuka-2020-0017"
}
Čeliković, I. T., Pantelić, G. K., Živanović, M. Z., Vukanac, I., Krneta-Nikolić, J. D., Kandić, A.,& Lončar, B. B. (2020). Radon and thoron exhalation rate measurements from building materials used in Serbia.
Nukleonika, 65(2), 111-114.
https://doi.org/10.2478/nuka-2020-0017
Čeliković IT, Pantelić GK, Živanović MZ, Vukanac I, Krneta-Nikolić JD, Kandić A, Lončar BB. Radon and thoron exhalation rate measurements from building materials used in Serbia. Nukleonika. 2020;65(2):111-114
Čeliković Igor T., Pantelić Gordana K., Živanović Miloš Z., Vukanac Ivana, Krneta-Nikolić Jelena D., Kandić Aleksandar, Lončar Boris B., "Radon and thoron exhalation rate measurements from building materials used in Serbia" Nukleonika, 65, no. 2 (2020):111-114,
https://doi.org/10.2478/nuka-2020-0017 .

Leaching kinetics of Cs+ and Co2+ under dynamic conditions

Dimović, Slavko; Nikezić, Dušan; Šljivić-Ivanović, Marija Z.; Jelić, Ivana V.; Stanić, Vojislav; Radenković, Mirjana; Lončar, Boris B.

(2019)

TY  - JOUR
AU  - Dimović, Slavko
AU  - Nikezić, Dušan
AU  - Šljivić-Ivanović, Marija Z.
AU  - Jelić, Ivana V.
AU  - Stanić, Vojislav
AU  - Radenković, Mirjana
AU  - Lončar, Boris B.
PY  - 2019
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8660
AB  - The possibility of retaining Cs+ and Co2+ bound by immobilization processes in the cement matrix is defined as the subject of its investigation: the cement matrix formulation, the water/ cement ratio, the amount of waste, and the porosity of such a structure. Implementing the standard leaching method by Hespe the possibility of comparing different authors’ results was achieved. Diffusion and semi-empirical model were used to investigate the transport phenomenon in order to predict the leaching level for a long period of time. Leaching of Co2+ and Cs+ ions under dynamic conditions immobilized in the cement matrix dynamic conditions decreases with the increase of the sludge content, regarding porosity increase. The effects of the diffusion and surface washing are equalized, and the contribution ofthe matrix dissolution to the Cs + and Co2+ transport in the cement porous media increases, on average, for one order of magnitude. The semi-empirical model gives a better approximation for Co2+ and Cs+ leaching process for the duration ofthe experiment while both models significantly approximate leaching results in dynamic conditions. © 2019, Vinca Inst Nuclear Sci. All rights reserved.
T2  - Nuclear Technology and Radiation Protection
T1  - Leaching kinetics of Cs+ and Co2+ under dynamic conditions
VL  - 34
IS  - 3
SP  - 243
EP  - 248
DO  - 10.2298/NTRP190506028D
ER  - 
@article{
author = "Dimović, Slavko and Nikezić, Dušan and Šljivić-Ivanović, Marija Z. and Jelić, Ivana V. and Stanić, Vojislav and Radenković, Mirjana and Lončar, Boris B.",
year = "2019",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8660",
abstract = "The possibility of retaining Cs+ and Co2+ bound by immobilization processes in the cement matrix is defined as the subject of its investigation: the cement matrix formulation, the water/ cement ratio, the amount of waste, and the porosity of such a structure. Implementing the standard leaching method by Hespe the possibility of comparing different authors’ results was achieved. Diffusion and semi-empirical model were used to investigate the transport phenomenon in order to predict the leaching level for a long period of time. Leaching of Co2+ and Cs+ ions under dynamic conditions immobilized in the cement matrix dynamic conditions decreases with the increase of the sludge content, regarding porosity increase. The effects of the diffusion and surface washing are equalized, and the contribution ofthe matrix dissolution to the Cs + and Co2+ transport in the cement porous media increases, on average, for one order of magnitude. The semi-empirical model gives a better approximation for Co2+ and Cs+ leaching process for the duration ofthe experiment while both models significantly approximate leaching results in dynamic conditions. © 2019, Vinca Inst Nuclear Sci. All rights reserved.",
journal = "Nuclear Technology and Radiation Protection",
title = "Leaching kinetics of Cs+ and Co2+ under dynamic conditions",
volume = "34",
number = "3",
pages = "243-248",
doi = "10.2298/NTRP190506028D"
}
Dimović, S., Nikezić, D., Šljivić-Ivanović, M. Z., Jelić, I. V., Stanić, V., Radenković, M.,& Lončar, B. B. (2019). Leaching kinetics of Cs+ and Co2+ under dynamic conditions.
Nuclear Technology and Radiation Protection, 34(3), 243-248.
https://doi.org/10.2298/NTRP190506028D
Dimović S, Nikezić D, Šljivić-Ivanović MZ, Jelić IV, Stanić V, Radenković M, Lončar BB. Leaching kinetics of Cs+ and Co2+ under dynamic conditions. Nuclear Technology and Radiation Protection. 2019;34(3):243-248
Dimović Slavko, Nikezić Dušan, Šljivić-Ivanović Marija Z., Jelić Ivana V., Stanić Vojislav, Radenković Mirjana, Lončar Boris B., "Leaching kinetics of Cs+ and Co2+ under dynamic conditions" Nuclear Technology and Radiation Protection, 34, no. 3 (2019):243-248,
https://doi.org/10.2298/NTRP190506028D .
1
1

Nanoparticle shapes: Quantification by elongation, convexity and circularity measures

Kopanja, Lazar; Lončar, Boris B.; Žunić, Dragiša; Tadić, Marin

(2019)

TY  - JOUR
AU  - Kopanja, Lazar
AU  - Lončar, Boris B.
AU  - Žunić, Dragiša
AU  - Tadić, Marin
PY  - 2019
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8590
AB  - The goal of the nanoparticle synthesis is, first of all, the production of nanoparticles that will be more similar in size and shape. This is very important for the possibility of studying and applying nanomaterials because of their characteristics that are very sensitive to size and shape such as, for example, magnetic properties. In this paper, we propose the shape analysis of the nanoparticles using three shape descriptors – elongation, convexity and circularity. Experimental results were obtained by using TEM images of hematite nanoparticles that were, first of all, subjected to segmentation in order to obtain isolated nanoparticles, and then the values of elongation, convexity and circularity were measured. Convexity C x ( S ) is regarded as the ratio between shape’s area and area of the its convex hull. The convexity measure defines the degree to which a shape differs from a convex shape while the circularity measure defines the degree to which a shape differs from an ideal circle. The range of convexity and circularity values is (0, 1], while the range of elongation values is [1, ∞). The circle has lowest elongation (ε = 1), while it has biggest convexity and circularity values ( C x = 1; C = 1). The measures ε( S ), C x ( S ), C ( S ) proposed and used in the experiment have the few desirable properties and give intuitively expected results. None of the measures is good enough to describe all the shapes, and therefore it is suggested to use a variety of measures so that the shapes can be described better and then classify and control during the synthesis process.
T2  - Journal of Electrical Engineering
T1  - Nanoparticle shapes: Quantification by elongation, convexity and circularity measures
VL  - 70
IS  - 7
SP  - 44
EP  - 50
DO  - 10.2478/jee-2019-0040
ER  - 
@article{
author = "Kopanja, Lazar and Lončar, Boris B. and Žunić, Dragiša and Tadić, Marin",
year = "2019",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8590",
abstract = "The goal of the nanoparticle synthesis is, first of all, the production of nanoparticles that will be more similar in size and shape. This is very important for the possibility of studying and applying nanomaterials because of their characteristics that are very sensitive to size and shape such as, for example, magnetic properties. In this paper, we propose the shape analysis of the nanoparticles using three shape descriptors – elongation, convexity and circularity. Experimental results were obtained by using TEM images of hematite nanoparticles that were, first of all, subjected to segmentation in order to obtain isolated nanoparticles, and then the values of elongation, convexity and circularity were measured. Convexity C x ( S ) is regarded as the ratio between shape’s area and area of the its convex hull. The convexity measure defines the degree to which a shape differs from a convex shape while the circularity measure defines the degree to which a shape differs from an ideal circle. The range of convexity and circularity values is (0, 1], while the range of elongation values is [1, ∞). The circle has lowest elongation (ε = 1), while it has biggest convexity and circularity values ( C x = 1; C = 1). The measures ε( S ), C x ( S ), C ( S ) proposed and used in the experiment have the few desirable properties and give intuitively expected results. None of the measures is good enough to describe all the shapes, and therefore it is suggested to use a variety of measures so that the shapes can be described better and then classify and control during the synthesis process.",
journal = "Journal of Electrical Engineering",
title = "Nanoparticle shapes: Quantification by elongation, convexity and circularity measures",
volume = "70",
number = "7",
pages = "44-50",
doi = "10.2478/jee-2019-0040"
}
Kopanja, L., Lončar, B. B., Žunić, D.,& Tadić, M. (2019). Nanoparticle shapes: Quantification by elongation, convexity and circularity measures.
Journal of Electrical Engineering, 70(7), 44-50.
https://doi.org/10.2478/jee-2019-0040
Kopanja L, Lončar BB, Žunić D, Tadić M. Nanoparticle shapes: Quantification by elongation, convexity and circularity measures. Journal of Electrical Engineering. 2019;70(7):44-50
Kopanja Lazar, Lončar Boris B., Žunić Dragiša, Tadić Marin, "Nanoparticle shapes: Quantification by elongation, convexity and circularity measures" Journal of Electrical Engineering, 70, no. 7 (2019):44-50,
https://doi.org/10.2478/jee-2019-0040 .
2
1
1

Radon exhalation rate of some building materials common in Serbia

Avramović, Dragan; Čeliković, Igor T.; Ujić, Predrag; Vukanac, Ivana; Kandić, Aleksandar; Jevremović, Aleksandar M.; Antonijević, Dunja; Lončar, Boris B.

(2019)

TY  - CONF
AU  - Avramović, Dragan
AU  - Čeliković, Igor T.
AU  - Ujić, Predrag
AU  - Vukanac, Ivana
AU  - Kandić, Aleksandar
AU  - Jevremović, Aleksandar M.
AU  - Antonijević, Dunja
AU  - Lončar, Boris B.
PY  - 2019
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8459
AB  - It is well-known that radon is the second important human carcinogen for lung cancer, after smoking. The major sources of indoor radon concentrations are soil and building material. Under certain conditions, a dose received from the inhalation of radon and its progenies can be higher than a dose received from the external exposure due to radium concentration in building materials. In this contribution, the results of the radon and thoron exhalation rate measurement from 9 commonly used building materials are reported. Exhalation rate measurements were performed with accumulation chamber method using active device for measurement of radon concentration. © 2019 RAD Association. All rights reserved.
C3  - RAD Conference Proceedings
T1  - Radon exhalation rate of some building materials common in Serbia
VL  - 3
SP  - 119
EP  - 122
DO  - 10.21175/RadProc.2018.26
ER  - 
@conference{
author = "Avramović, Dragan and Čeliković, Igor T. and Ujić, Predrag and Vukanac, Ivana and Kandić, Aleksandar and Jevremović, Aleksandar M. and Antonijević, Dunja and Lončar, Boris B.",
year = "2019",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8459",
abstract = "It is well-known that radon is the second important human carcinogen for lung cancer, after smoking. The major sources of indoor radon concentrations are soil and building material. Under certain conditions, a dose received from the inhalation of radon and its progenies can be higher than a dose received from the external exposure due to radium concentration in building materials. In this contribution, the results of the radon and thoron exhalation rate measurement from 9 commonly used building materials are reported. Exhalation rate measurements were performed with accumulation chamber method using active device for measurement of radon concentration. © 2019 RAD Association. All rights reserved.",
journal = "RAD Conference Proceedings",
title = "Radon exhalation rate of some building materials common in Serbia",
volume = "3",
pages = "119-122",
doi = "10.21175/RadProc.2018.26"
}
Avramović, D., Čeliković, I. T., Ujić, P., Vukanac, I., Kandić, A., Jevremović, A. M., Antonijević, D.,& Lončar, B. B. (2019). Radon exhalation rate of some building materials common in Serbia.
RAD Conference Proceedings, 3, 119-122.
https://doi.org/10.21175/RadProc.2018.26
Avramović D, Čeliković IT, Ujić P, Vukanac I, Kandić A, Jevremović AM, Antonijević D, Lončar BB. Radon exhalation rate of some building materials common in Serbia. RAD Conference Proceedings. 2019;3:119-122
Avramović Dragan, Čeliković Igor T., Ujić Predrag, Vukanac Ivana, Kandić Aleksandar, Jevremović Aleksandar M., Antonijević Dunja, Lončar Boris B., "Radon exhalation rate of some building materials common in Serbia" RAD Conference Proceedings, 3 (2019):119-122,
https://doi.org/10.21175/RadProc.2018.26 .
1
1

Izabrane metode proračuna buildup faktora u zaštiti od gama i X zračenja

Stanković, Srboljub J.; Lončar, Boris B.; Kržanović, Nikola; Živanović, Miloš Z.; Nišević, Gordan

(Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе, 2019)

TY  - CONF
AU  - Stanković, Srboljub J.
AU  - Lončar, Boris B.
AU  - Kržanović, Nikola
AU  - Živanović, Miloš Z.
AU  - Nišević, Gordan
PY  - 2019
UR  - https://plus.sr.cobiss.net/opac7/bib/279687436
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8714
AB  - U ovom radu je dat pregled izabranih metoda proračuna buildup faktora na osnovu empirijskih aproksimacija Bergera, Tejlora i aproksimacije Geometrijske Progresije, sa kojima mogu da se rešavaju praktični problemi u zaštiti od zračenja u zavisnosti od stepena njihove složenosti. Razmatran je bazičan slučaj za određivanje buildup faktora u zavisnosti od karakteristika homogene materijalne sredine kroz koju se obavlja transport fotona X i gama zračenja, zatim od energije fotona iz izvora zračenja, kao od rastojanja između izvora fotona i tačke u materijalnoj sredini u kojoj se određuje dozimetrijska veličina. Posle sprovedene diskusije rezultata proračuna buildup faktora za olovo, gvožđe, običan beton i vodu, u radu su izvedeni odgovarajući zaključci u vezi efikasnosti primene pojedinih metoda proračuna u homogenoj materijalnoj sredini, uzimajući u obzir da svaka od prikazanih metoda ima svoje prednosti, kao i ograničenja, u zavisnosti od fokusa njene primene.
AB  - This paper provides an overview of selected calculation method buildup factors based on empirical approximation that can not be solved practical problems in radiation protection, depending on their level of complexity. A basic case was considered for the determination of the buildup factor depending on the characteristics of the homogeneous material environment through which the transport of photons X and gamma radiation is carried out, then from the energy of photons from the radiation source, from the distance between the photon source and the point in the material environment in which the dosimetric size. After the discussion of the results of the calculation of the buildup factors for lead, iron, ordinary concrete and water, the conclusions about the efficiency of the application of individual calculation methods in a homogeneous material environment were carried out, taking into account that each of the methods presented has its advantages, as well as the limitations, depending on the focus of its application.
PB  - Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе
C3  - 30. симпозијум ДЗЗСЦГ : зборник радова
T1  - Izabrane metode proračuna buildup faktora u zaštiti od gama i X zračenja
T1  - Selected methods for buildup factor calculation in gamma and X radiation protection
SP  - 436
EP  - 440
ER  - 
@conference{
author = "Stanković, Srboljub J. and Lončar, Boris B. and Kržanović, Nikola and Živanović, Miloš Z. and Nišević, Gordan",
year = "2019",
url = "https://plus.sr.cobiss.net/opac7/bib/279687436, http://vinar.vin.bg.ac.rs/handle/123456789/8714",
abstract = "U ovom radu je dat pregled izabranih metoda proračuna buildup faktora na osnovu empirijskih aproksimacija Bergera, Tejlora i aproksimacije Geometrijske Progresije, sa kojima mogu da se rešavaju praktični problemi u zaštiti od zračenja u zavisnosti od stepena njihove složenosti. Razmatran je bazičan slučaj za određivanje buildup faktora u zavisnosti od karakteristika homogene materijalne sredine kroz koju se obavlja transport fotona X i gama zračenja, zatim od energije fotona iz izvora zračenja, kao od rastojanja između izvora fotona i tačke u materijalnoj sredini u kojoj se određuje dozimetrijska veličina. Posle sprovedene diskusije rezultata proračuna buildup faktora za olovo, gvožđe, običan beton i vodu, u radu su izvedeni odgovarajući zaključci u vezi efikasnosti primene pojedinih metoda proračuna u homogenoj materijalnoj sredini, uzimajući u obzir da svaka od prikazanih metoda ima svoje prednosti, kao i ograničenja, u zavisnosti od fokusa njene primene., This paper provides an overview of selected calculation method buildup factors based on empirical approximation that can not be solved practical problems in radiation protection, depending on their level of complexity. A basic case was considered for the determination of the buildup factor depending on the characteristics of the homogeneous material environment through which the transport of photons X and gamma radiation is carried out, then from the energy of photons from the radiation source, from the distance between the photon source and the point in the material environment in which the dosimetric size. After the discussion of the results of the calculation of the buildup factors for lead, iron, ordinary concrete and water, the conclusions about the efficiency of the application of individual calculation methods in a homogeneous material environment were carried out, taking into account that each of the methods presented has its advantages, as well as the limitations, depending on the focus of its application.",
publisher = "Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе",
journal = "30. симпозијум ДЗЗСЦГ : зборник радова",
title = "Izabrane metode proračuna buildup faktora u zaštiti od gama i X zračenja, Selected methods for buildup factor calculation in gamma and X radiation protection",
pages = "436-440"
}
Stanković, S. J., Lončar, B. B., Kržanović, N., Živanović, M. Z.,& Nišević, G. (2019). Selected methods for buildup factor calculation in gamma and X radiation protection.
30. симпозијум ДЗЗСЦГ : зборник радова
Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе., 436-440.
Stanković SJ, Lončar BB, Kržanović N, Živanović MZ, Nišević G. Selected methods for buildup factor calculation in gamma and X radiation protection. 30. симпозијум ДЗЗСЦГ : зборник радова. 2019;:436-440
Stanković Srboljub J., Lončar Boris B., Kržanović Nikola, Živanović Miloš Z., Nišević Gordan, "Selected methods for buildup factor calculation in gamma and X radiation protection" 30. симпозијум ДЗЗСЦГ : зборник радова (2019):436-440

Ad-hoc intercomparison of four different radon exhalation measurement methods

Awhida, Ahmed; Ujić, Predrag; Pantelić, Gordana K.; Kolarž, Predrag M.; Čeliković, Igor T.; Živanović, Miloš Z.; Janićijević, Aco; Lončar, Boris B.

(2018)

TY  - JOUR
AU  - Awhida, Ahmed
AU  - Ujić, Predrag
AU  - Pantelić, Gordana K.
AU  - Kolarž, Predrag M.
AU  - Čeliković, Igor T.
AU  - Živanović, Miloš Z.
AU  - Janićijević, Aco
AU  - Lončar, Boris B.
PY  - 2018
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7588
AB  - It is indicated that the exposure to radon originating from the building materials is not negligible and the radon exhalation measurement should get more attention in the future. The experience with four different methods of the exhalation measurement, established in our laboratory for the purpose of the intercomparison is reported. Additionally, a comparison of advantages and disadvantages of used methods is discussed.
T2  - Radiation Protection Dosimetry
T1  - Ad-hoc intercomparison of four different radon exhalation measurement methods
VL  - 178
SP  - 138
EP  - 142
DO  - 10.1093/rpd/ncx096
ER  - 
@article{
author = "Awhida, Ahmed and Ujić, Predrag and Pantelić, Gordana K. and Kolarž, Predrag M. and Čeliković, Igor T. and Živanović, Miloš Z. and Janićijević, Aco and Lončar, Boris B.",
year = "2018",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/7588",
abstract = "It is indicated that the exposure to radon originating from the building materials is not negligible and the radon exhalation measurement should get more attention in the future. The experience with four different methods of the exhalation measurement, established in our laboratory for the purpose of the intercomparison is reported. Additionally, a comparison of advantages and disadvantages of used methods is discussed.",
journal = "Radiation Protection Dosimetry",
title = "Ad-hoc intercomparison of four different radon exhalation measurement methods",
volume = "178",
pages = "138-142",
doi = "10.1093/rpd/ncx096"
}
Awhida, A., Ujić, P., Pantelić, G. K., Kolarž, P. M., Čeliković, I. T., Živanović, M. Z., Janićijević, A.,& Lončar, B. B. (2018). Ad-hoc intercomparison of four different radon exhalation measurement methods.
Radiation Protection Dosimetry, 178, 138-142.
https://doi.org/10.1093/rpd/ncx096
Awhida A, Ujić P, Pantelić GK, Kolarž PM, Čeliković IT, Živanović MZ, Janićijević A, Lončar BB. Ad-hoc intercomparison of four different radon exhalation measurement methods. Radiation Protection Dosimetry. 2018;178:138-142
Awhida Ahmed, Ujić Predrag, Pantelić Gordana K., Kolarž Predrag M., Čeliković Igor T., Živanović Miloš Z., Janićijević Aco, Lončar Boris B., "Ad-hoc intercomparison of four different radon exhalation measurement methods" Radiation Protection Dosimetry, 178 (2018):138-142,
https://doi.org/10.1093/rpd/ncx096 .
1
1

The Application of Experimental Design Methodology for the Investigation of Liquid Radioactive Waste Treatment

Šljivić-Ivanović, Marija Z.; Jelić, Ivana V.; Loncar, Aleksandra M.; Nikezić, Dušan; Dimović, Slavko; Lončar, Boris B.

(2017)

TY  - JOUR
AU  - Šljivić-Ivanović, Marija Z.
AU  - Jelić, Ivana V.
AU  - Loncar, Aleksandra M.
AU  - Nikezić, Dušan
AU  - Dimović, Slavko
AU  - Lončar, Boris B.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1841
AB  - The sorption properties of waste facade, brick, and asphalt sample towards Sr(II), Co(II), and Ni(II) ions from single and multicomponent solutions were investigated. The highest sorption capacity was found for Ni(II) ions, while the most effective sorbent was facade. Simplex Centroid Mixture Design was used in order to investigate the sorption processes of ions from solutions with different composition as well as the competition between the cations. Based on the statistical analysis results, the equations for data modeling were proposed. According to the observations, the investigated solid matrices can be effectively used for the liquid radioactive waste treatment. Furthermore, the applied methodology turned out to be an easy and operational way for the investigations of multicomponent sorption processes.
T2  - Nuclear technology and radiation protection
T1  - The Application of Experimental Design Methodology for the Investigation of Liquid Radioactive Waste Treatment
VL  - 32
IS  - 3
SP  - 281
EP  - 287
DO  - 10.2298/NTRP1703281S
ER  - 
@article{
author = "Šljivić-Ivanović, Marija Z. and Jelić, Ivana V. and Loncar, Aleksandra M. and Nikezić, Dušan and Dimović, Slavko and Lončar, Boris B.",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1841",
abstract = "The sorption properties of waste facade, brick, and asphalt sample towards Sr(II), Co(II), and Ni(II) ions from single and multicomponent solutions were investigated. The highest sorption capacity was found for Ni(II) ions, while the most effective sorbent was facade. Simplex Centroid Mixture Design was used in order to investigate the sorption processes of ions from solutions with different composition as well as the competition between the cations. Based on the statistical analysis results, the equations for data modeling were proposed. According to the observations, the investigated solid matrices can be effectively used for the liquid radioactive waste treatment. Furthermore, the applied methodology turned out to be an easy and operational way for the investigations of multicomponent sorption processes.",
journal = "Nuclear technology and radiation protection",
title = "The Application of Experimental Design Methodology for the Investigation of Liquid Radioactive Waste Treatment",
volume = "32",
number = "3",
pages = "281-287",
doi = "10.2298/NTRP1703281S"
}
Šljivić-Ivanović, M. Z., Jelić, I. V., Loncar, A. M., Nikezić, D., Dimović, S.,& Lončar, B. B. (2017). The Application of Experimental Design Methodology for the Investigation of Liquid Radioactive Waste Treatment.
Nuclear technology and radiation protection, 32(3), 281-287.
https://doi.org/10.2298/NTRP1703281S
Šljivić-Ivanović MZ, Jelić IV, Loncar AM, Nikezić D, Dimović S, Lončar BB. The Application of Experimental Design Methodology for the Investigation of Liquid Radioactive Waste Treatment. Nuclear technology and radiation protection. 2017;32(3):281-287
Šljivić-Ivanović Marija Z., Jelić Ivana V., Loncar Aleksandra M., Nikezić Dušan, Dimović Slavko, Lončar Boris B., "The Application of Experimental Design Methodology for the Investigation of Liquid Radioactive Waste Treatment" Nuclear technology and radiation protection, 32, no. 3 (2017):281-287,
https://doi.org/10.2298/NTRP1703281S .
3
2
2

Merits and demerits of different methods for radon exhalation measurements for building materials

Awhida, Ahmed; Ujić, Predrag; Kolarž, Predrag M.; Čeliković, Igor T.; Milinčić, Miroljub A.; Lončar, Aleksandra M.; Lončar, Boris B.

(RAD Association, 2017)

TY  - CONF
AU  - Awhida, Ahmed
AU  - Ujić, Predrag
AU  - Kolarž, Predrag M.
AU  - Čeliković, Igor T.
AU  - Milinčić, Miroljub A.
AU  - Lončar, Aleksandra M.
AU  - Lončar, Boris B.
PY  - 2017
UR  - http://www.rad-proceedings.org/paper.php?id=129
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7993
AB  - With an increase in the awareness of the need to save energy, residents tend to live in dwellings with increasingly tight windows and doors, thus reducing the ventilation rate of indoor air which leads to an increased accumulation of radon indoors. Having in mind that a dose from an exposure to inhaled radon and its progenies can be higher than a dose received from radium in building materials, it is suggested that radon exhalation measurements should receive due attention. In this contribution, the authors compare results gathered using a few methods for radon exhalation measurement and discuss its merits and demerits.
PB  - RAD Association
C3  - RAD Conference Proceedings
T1  - Merits and demerits of different methods for radon exhalation measurements for building materials
VL  - 2
SP  - 132
EP  - 136
DO  - 10.21175/RadProc.2017.27
ER  - 
@conference{
author = "Awhida, Ahmed and Ujić, Predrag and Kolarž, Predrag M. and Čeliković, Igor T. and Milinčić, Miroljub A. and Lončar, Aleksandra M. and Lončar, Boris B.",
year = "2017",
url = "http://www.rad-proceedings.org/paper.php?id=129, http://vinar.vin.bg.ac.rs/handle/123456789/7993",
abstract = "With an increase in the awareness of the need to save energy, residents tend to live in dwellings with increasingly tight windows and doors, thus reducing the ventilation rate of indoor air which leads to an increased accumulation of radon indoors. Having in mind that a dose from an exposure to inhaled radon and its progenies can be higher than a dose received from radium in building materials, it is suggested that radon exhalation measurements should receive due attention. In this contribution, the authors compare results gathered using a few methods for radon exhalation measurement and discuss its merits and demerits.",
publisher = "RAD Association",
journal = "RAD Conference Proceedings",
title = "Merits and demerits of different methods for radon exhalation measurements for building materials",
volume = "2",
pages = "132-136",
doi = "10.21175/RadProc.2017.27"
}
Awhida, A., Ujić, P., Kolarž, P. M., Čeliković, I. T., Milinčić, M. A., Lončar, A. M.,& Lončar, B. B. (2017). Merits and demerits of different methods for radon exhalation measurements for building materials.
RAD Conference Proceedings
RAD Association., 2, 132-136.
https://doi.org/10.21175/RadProc.2017.27
Awhida A, Ujić P, Kolarž PM, Čeliković IT, Milinčić MA, Lončar AM, Lončar BB. Merits and demerits of different methods for radon exhalation measurements for building materials. RAD Conference Proceedings. 2017;2:132-136
Awhida Ahmed, Ujić Predrag, Kolarž Predrag M., Čeliković Igor T., Milinčić Miroljub A., Lončar Aleksandra M., Lončar Boris B., "Merits and demerits of different methods for radon exhalation measurements for building materials" RAD Conference Proceedings, 2 (2017):132-136,
https://doi.org/10.21175/RadProc.2017.27 .

Merenje ekshalacije radona iz građevinskih materijala

Ujić, Predrag; Čeliković, Igor T.; Awhida, Ahmed; Lončar, Boris B.; Pantelić, Gordana K.; Vukanac, Ivana; Kolarž, Predrag M.; Kandić, Aleksandar; Đurašević, Mirjana M.; Živanović, Miloš Z.

(Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе, 2017)

TY  - CONF
AU  - Ujić, Predrag
AU  - Čeliković, Igor T.
AU  - Awhida, Ahmed
AU  - Lončar, Boris B.
AU  - Pantelić, Gordana K.
AU  - Vukanac, Ivana
AU  - Kolarž, Predrag M.
AU  - Kandić, Aleksandar
AU  - Đurašević, Mirjana M.
AU  - Živanović, Miloš Z.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8277
UR  - https://plus.sr.cobiss.net/opac7/bib/245691404
UR  - http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf
AB  - Prikazan je pregled najnovijeg gama metoda za merenje ekshalacije radona iz
građevinskih materijala, koji pored ekshalacije omogućava merenje faktora emanacije i
merenje difuzione dužine radona u datom materijalu, što nije moguće u standardnim
merenjima ekshalacije radona. Takođe su prikazana i još tri standardna metoda
merenja ekshalacije radona i dato je uporedno objašnjene prednosti i mana ovih
metoda. Biće dat i pregled dosadašnjih merenja u Srbiji.
AB  - A review of a new radon exhalation measurement method is presented. This method
provides also a measurement of the radon diffusion length and the radon emanation
coefficient, which is not possible by standard radon exhalation measurement methods.
Besides, three standard radon exhalation measurements are presented: closed chamber
with an active instrument, closed chamber with a solid state nuclear track detector and
a charcoal canister method. An intercomparison of advantages and disadvantages is
also given. A short review of previous measurements of radon exhalation from
comercial building materials in Serbia will be given in the presentation.
PB  - Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе
C3  - 29. симпозијум ДЗЗСЦГ : зборник радова
T1  - Merenje ekshalacije radona iz građevinskih materijala
T1  - Measurement of radon exhalation from building materials
VL  - 224
SP  - 219
ER  - 
@conference{
author = "Ujić, Predrag and Čeliković, Igor T. and Awhida, Ahmed and Lončar, Boris B. and Pantelić, Gordana K. and Vukanac, Ivana and Kolarž, Predrag M. and Kandić, Aleksandar and Đurašević, Mirjana M. and Živanović, Miloš Z.",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8277, https://plus.sr.cobiss.net/opac7/bib/245691404, http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf",
abstract = "Prikazan je pregled najnovijeg gama metoda za merenje ekshalacije radona iz
građevinskih materijala, koji pored ekshalacije omogućava merenje faktora emanacije i
merenje difuzione dužine radona u datom materijalu, što nije moguće u standardnim
merenjima ekshalacije radona. Takođe su prikazana i još tri standardna metoda
merenja ekshalacije radona i dato je uporedno objašnjene prednosti i mana ovih
metoda. Biće dat i pregled dosadašnjih merenja u Srbiji., A review of a new radon exhalation measurement method is presented. This method
provides also a measurement of the radon diffusion length and the radon emanation
coefficient, which is not possible by standard radon exhalation measurement methods.
Besides, three standard radon exhalation measurements are presented: closed chamber
with an active instrument, closed chamber with a solid state nuclear track detector and
a charcoal canister method. An intercomparison of advantages and disadvantages is
also given. A short review of previous measurements of radon exhalation from
comercial building materials in Serbia will be given in the presentation.",
publisher = "Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе",
journal = "29. симпозијум ДЗЗСЦГ : зборник радова",
title = "Merenje ekshalacije radona iz građevinskih materijala, Measurement of radon exhalation from building materials",
volume = "224",
pages = "219"
}
Ujić, P., Čeliković, I. T., Awhida, A., Lončar, B. B., Pantelić, G. K., Vukanac, I., Kolarž, P. M., Kandić, A., Đurašević, M. M.,& Živanović, M. Z. (2017). Measurement of radon exhalation from building materials.
29. симпозијум ДЗЗСЦГ : зборник радова
Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе., 224, 219.
Ujić P, Čeliković IT, Awhida A, Lončar BB, Pantelić GK, Vukanac I, Kolarž PM, Kandić A, Đurašević MM, Živanović MZ. Measurement of radon exhalation from building materials. 29. симпозијум ДЗЗСЦГ : зборник радова. 2017;224:219
Ujić Predrag, Čeliković Igor T., Awhida Ahmed, Lončar Boris B., Pantelić Gordana K., Vukanac Ivana, Kolarž Predrag M., Kandić Aleksandar, Đurašević Mirjana M., Živanović Miloš Z., "Measurement of radon exhalation from building materials" 29. симпозијум ДЗЗСЦГ : зборник радова, 224 (2017):219

Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka

Čeliković, Igor T.; Đurašević, Mirjana M.; Ujić, Predrag; Repić, Predrag; Kandić, Aleksandar; Lončar, Boris B.

(Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе, 2017)

TY  - CONF
AU  - Čeliković, Igor T.
AU  - Đurašević, Mirjana M.
AU  - Ujić, Predrag
AU  - Repić, Predrag
AU  - Kandić, Aleksandar
AU  - Lončar, Boris B.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8278
UR  - https://plus.sr.cobiss.net/opac7/bib/245691404
UR  - http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf
AB  - U radu je merena ekshalacija radona iz bigra iz Niške Banje poznatom po povišenoj
koncentraciji 226Ra. Bigar zbog svoje velike poroznosti i visoke koncentracije radijuma
je idealan materijal za testiranje parametara od kojih zavisi brzina ekshalacije. U radu
je razmatrana zavisnost ekshalacije u odnosu na vlažnost kao i na sprašenost uzorka.
Brzina ekshalacije je merena metodom zatvorene komore, a sama koncentracija radona
aktivnim uređajem. Dobijeni rezultati ukazuju da brzina ekshalacije raste sa povećanjem vlažnosti uzorka i smanjenjem veličine zrna.
AB  - In this contribution, radon exhalation rate from travertine originating from Niška
Banja, Serbia was measured. This particular travertine, with a high 226Ra concentration
and high porosity, is ideal for testing various parameters that can influence radon
exhalation rate. The radon exhalation rate was investigated for different sizes of grains.
Grain sizes were dived into 4 groups: 1) 2.1 - 1.6 mm, 2.) 1.6 - 1.2 mm, 3.) 1.2 - 0.7 mm
i 4.) < 0.7 mm. Influence of the humidity on radon exhalation rate was also
investigated. Samples with the smallest grain size were exposed to 3 different levels of
humidity (dry sample, and two samples in which water content was around 10% and
20% of the mass of dry sample. An accumulation chamber method with an active device
RTM1688-2 was used to estimate radon exhalation rate from continuous measurement
of radon in the chamber. Obtained results indicate that radon exhalation rate is
increasing with an increase of humidity of the sample and with an decrease of grain
size.
PB  - Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе
C3  - 29. симпозијум ДЗЗСЦГ : зборник радова
T1  - Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka
T1  - Investigation of the radon exhalation rate: an influence of humidity and a grain size
SP  - 225
EP  - 231
ER  - 
@conference{
author = "Čeliković, Igor T. and Đurašević, Mirjana M. and Ujić, Predrag and Repić, Predrag and Kandić, Aleksandar and Lončar, Boris B.",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8278, https://plus.sr.cobiss.net/opac7/bib/245691404, http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf",
abstract = "U radu je merena ekshalacija radona iz bigra iz Niške Banje poznatom po povišenoj
koncentraciji 226Ra. Bigar zbog svoje velike poroznosti i visoke koncentracije radijuma
je idealan materijal za testiranje parametara od kojih zavisi brzina ekshalacije. U radu
je razmatrana zavisnost ekshalacije u odnosu na vlažnost kao i na sprašenost uzorka.
Brzina ekshalacije je merena metodom zatvorene komore, a sama koncentracija radona
aktivnim uređajem. Dobijeni rezultati ukazuju da brzina ekshalacije raste sa povećanjem vlažnosti uzorka i smanjenjem veličine zrna., In this contribution, radon exhalation rate from travertine originating from Niška
Banja, Serbia was measured. This particular travertine, with a high 226Ra concentration
and high porosity, is ideal for testing various parameters that can influence radon
exhalation rate. The radon exhalation rate was investigated for different sizes of grains.
Grain sizes were dived into 4 groups: 1) 2.1 - 1.6 mm, 2.) 1.6 - 1.2 mm, 3.) 1.2 - 0.7 mm
i 4.) < 0.7 mm. Influence of the humidity on radon exhalation rate was also
investigated. Samples with the smallest grain size were exposed to 3 different levels of
humidity (dry sample, and two samples in which water content was around 10% and
20% of the mass of dry sample. An accumulation chamber method with an active device
RTM1688-2 was used to estimate radon exhalation rate from continuous measurement
of radon in the chamber. Obtained results indicate that radon exhalation rate is
increasing with an increase of humidity of the sample and with an decrease of grain
size.",
publisher = "Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе",
journal = "29. симпозијум ДЗЗСЦГ : зборник радова",
title = "Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka, Investigation of the radon exhalation rate: an influence of humidity and a grain size",
pages = "225-231"
}
Čeliković, I. T., Đurašević, M. M., Ujić, P., Repić, P., Kandić, A.,& Lončar, B. B. (2017). Investigation of the radon exhalation rate: an influence of humidity and a grain size.
29. симпозијум ДЗЗСЦГ : зборник радова
Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе., 225-231.
Čeliković IT, Đurašević MM, Ujić P, Repić P, Kandić A, Lončar BB. Investigation of the radon exhalation rate: an influence of humidity and a grain size. 29. симпозијум ДЗЗСЦГ : зборник радова. 2017;:225-231
Čeliković Igor T., Đurašević Mirjana M., Ujić Predrag, Repić Predrag, Kandić Aleksandar, Lončar Boris B., "Investigation of the radon exhalation rate: an influence of humidity and a grain size" 29. симпозијум ДЗЗСЦГ : зборник радова (2017):225-231

Overview of Radiation Effects on Emerging Non-Volatile Memory Technologies

Fetahovic, Irfan S.; Dolicanin, Edin C.; Lazarević, Đorđe R.; Lončar, Boris B.

(2017)

TY  - JOUR
AU  - Fetahovic, Irfan S.
AU  - Dolicanin, Edin C.
AU  - Lazarević, Đorđe R.
AU  - Lončar, Boris B.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1938
AB  - In this paper we give an overview of radiation effects in emergent, non-volatile memory technologies. Investigations into radiation hardness of resistive random access memory, ferroelectric random access memory, magneto-resistive random access memory, and phase change memory are presented in cases where these memory devices were subjected to different types of radiation. The obtained results proved high radiation tolerance of studied devices making them good candidates for application in radiation-intensive environments.
T2  - Nuclear technology and radiation protection
T1  - Overview of Radiation Effects on Emerging Non-Volatile Memory Technologies
VL  - 32
IS  - 4
SP  - 381
EP  - 392
DO  - 10.2298/NTRP1704381F
ER  - 
@article{
author = "Fetahovic, Irfan S. and Dolicanin, Edin C. and Lazarević, Đorđe R. and Lončar, Boris B.",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1938",
abstract = "In this paper we give an overview of radiation effects in emergent, non-volatile memory technologies. Investigations into radiation hardness of resistive random access memory, ferroelectric random access memory, magneto-resistive random access memory, and phase change memory are presented in cases where these memory devices were subjected to different types of radiation. The obtained results proved high radiation tolerance of studied devices making them good candidates for application in radiation-intensive environments.",
journal = "Nuclear technology and radiation protection",
title = "Overview of Radiation Effects on Emerging Non-Volatile Memory Technologies",
volume = "32",
number = "4",
pages = "381-392",
doi = "10.2298/NTRP1704381F"
}
Fetahovic, I. S., Dolicanin, E. C., Lazarević, Đ. R.,& Lončar, B. B. (2017). Overview of Radiation Effects on Emerging Non-Volatile Memory Technologies.
Nuclear technology and radiation protection, 32(4), 381-392.
https://doi.org/10.2298/NTRP1704381F
Fetahovic IS, Dolicanin EC, Lazarević ĐR, Lončar BB. Overview of Radiation Effects on Emerging Non-Volatile Memory Technologies. Nuclear technology and radiation protection. 2017;32(4):381-392
Fetahovic Irfan S., Dolicanin Edin C., Lazarević Đorđe R., Lončar Boris B., "Overview of Radiation Effects on Emerging Non-Volatile Memory Technologies" Nuclear technology and radiation protection, 32, no. 4 (2017):381-392,
https://doi.org/10.2298/NTRP1704381F .
2
2

Modeling air concentration of fly ash in Belgrade, emitted from thermal power plants TNTA and TNTB

Nikezić, Dušan; Grsic, Zoran J.; Dramlić, Dragan M.; Dramlić, Stefan D.; Lončar, Boris B.; Dimović, Slavko

(2017)

TY  - JOUR
AU  - Nikezić, Dušan
AU  - Grsic, Zoran J.
AU  - Dramlić, Dragan M.
AU  - Dramlić, Stefan D.
AU  - Lončar, Boris B.
AU  - Dimović, Slavko
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1450
AB  - The aim of the study was to estimate if dust/fly ash emitted into the atmosphere from chimneys and the ash disposal sites of the thermal power plants Nikola Tesla A and B in Obrenovac could increase the concentration of PM10 in New Belgrade. TNTA and TNTB are close to Belgrade (population of 2.5 million) and it is important to estimate the amount of the pollution emitted into the atmosphere from these sources. The pollution from chimneys is estimated from yearly amounts of discharge, while the lifting of ash/coal dust was parameterized by the model. The used model is the straight-line Gaussian plume model written in the Fortran programming language. The first estimation was done using mathematical modeling for the idealized situation with prescribed winds and stability. The second estimation was done using the observed meteorological data for the whole year of 2009. With strong winds (over 40 km/h), dust will reach Belgrade in dozens of minutes, while during moderate winds (similar to 10-30 km/h), it would take about one hour to reach it. In these cases atmosphere is close to the neutral stability class. In case of weaker winds and stable atmosphere, the increase of air dust concentration in Belgrade would start after a few hours (6-10). Regarding the other two sources of pollution, coal handling piles and ash deposit sites, during strong winds ( GT 40 km/h) and neutral stability, fly ash would reach Belgrade in several dozen of minutes. (C) 2016 Published by Elsevier B.V. on behalf of Institution of Chemical Engineers.
T2  - Process Safety and Environmental Protection
T1  - Modeling air concentration of fly ash in Belgrade, emitted from thermal power plants TNTA and TNTB
VL  - 106
SP  - 274
EP  - 283
DO  - 10.1016/j.psep.2016.06.009
ER  - 
@article{
author = "Nikezić, Dušan and Grsic, Zoran J. and Dramlić, Dragan M. and Dramlić, Stefan D. and Lončar, Boris B. and Dimović, Slavko",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1450",
abstract = "The aim of the study was to estimate if dust/fly ash emitted into the atmosphere from chimneys and the ash disposal sites of the thermal power plants Nikola Tesla A and B in Obrenovac could increase the concentration of PM10 in New Belgrade. TNTA and TNTB are close to Belgrade (population of 2.5 million) and it is important to estimate the amount of the pollution emitted into the atmosphere from these sources. The pollution from chimneys is estimated from yearly amounts of discharge, while the lifting of ash/coal dust was parameterized by the model. The used model is the straight-line Gaussian plume model written in the Fortran programming language. The first estimation was done using mathematical modeling for the idealized situation with prescribed winds and stability. The second estimation was done using the observed meteorological data for the whole year of 2009. With strong winds (over 40 km/h), dust will reach Belgrade in dozens of minutes, while during moderate winds (similar to 10-30 km/h), it would take about one hour to reach it. In these cases atmosphere is close to the neutral stability class. In case of weaker winds and stable atmosphere, the increase of air dust concentration in Belgrade would start after a few hours (6-10). Regarding the other two sources of pollution, coal handling piles and ash deposit sites, during strong winds ( GT 40 km/h) and neutral stability, fly ash would reach Belgrade in several dozen of minutes. (C) 2016 Published by Elsevier B.V. on behalf of Institution of Chemical Engineers.",
journal = "Process Safety and Environmental Protection",
title = "Modeling air concentration of fly ash in Belgrade, emitted from thermal power plants TNTA and TNTB",
volume = "106",
pages = "274-283",
doi = "10.1016/j.psep.2016.06.009"
}
Nikezić, D., Grsic, Z. J., Dramlić, D. M., Dramlić, S. D., Lončar, B. B.,& Dimović, S. (2017). Modeling air concentration of fly ash in Belgrade, emitted from thermal power plants TNTA and TNTB.
Process Safety and Environmental Protection, 106, 274-283.
https://doi.org/10.1016/j.psep.2016.06.009
Nikezić D, Grsic ZJ, Dramlić DM, Dramlić SD, Lončar BB, Dimović S. Modeling air concentration of fly ash in Belgrade, emitted from thermal power plants TNTA and TNTB. Process Safety and Environmental Protection. 2017;106:274-283
Nikezić Dušan, Grsic Zoran J., Dramlić Dragan M., Dramlić Stefan D., Lončar Boris B., Dimović Slavko, "Modeling air concentration of fly ash in Belgrade, emitted from thermal power plants TNTA and TNTB" Process Safety and Environmental Protection, 106 (2017):274-283,
https://doi.org/10.1016/j.psep.2016.06.009 .
3
3
6

Varijacije pri određivanju specifičnih aktivnosti u uzorcima zemljišta za različite geometrije i HPGe detektore

Đurašević, Mirjana M.; Kandić, Aleksandar; Milinčić, Miroljub; Vukanac, Ivana; Jevremović, Aleksandar M.; Milošević, Zoran; Lončar, Boris B.

(Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе, 2017)

TY  - CONF
AU  - Đurašević, Mirjana M.
AU  - Kandić, Aleksandar
AU  - Milinčić, Miroljub
AU  - Vukanac, Ivana
AU  - Jevremović, Aleksandar M.
AU  - Milošević, Zoran
AU  - Lončar, Boris B.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8315
UR  - https://plus.sr.cobiss.net/opac7/bib/245691404
UR  - http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf
AB  - Gamaspektrometrija je jedna od najčešće korišćenih metoda za kvalitativno i
kvantitativno određivanje sadržaja radionuklida u zemljištu i drugim uzorcima iz
životne sredine. Meren je 31 uzorak zemljišta sa teritorije opštine Aleksandrovac, pri
čemu su za svaki uzorak korišćene dve različite geometrije (cilindrična kutijica i
marineli posuda). Određene su specifične aktivnosti radioizotopa uranovog i torijumovog niza, kao i 235U, 40K i 137Cs. Uzorci zemlje u geometriji cilindrične kutijice mereni
sa na dva HPGe detektora različitih efikasnosti i karakteristika, dok su uzorci u
marineli posudi mereni samo na jednom HPGe detektoru. U radu su prikazani rezultati
poređenja specifičnih aktivnosti istih radionuklida dobijenih merenjem uzoraka u
različitim geometrijama na istom HPGe detektoru kao i uzoraka u geometriji
cilindrične kutijice merenih na različitim detektorima. Analizirani su uzroci nastalih
varijacija.
AB  - Gamma ray spectrometry is an analytical method that allows the identification and
quantification of gamma emitting radioisotopes in soil and other environmental
samples. 31 samples of soil were collected from different location in the territory of
Aleksandrovac municipality. All soil samples were dried, milled and sealed in two
different geometries (500 ml Marinelli beaker and 125 ml cylindrical boxes) and stored
for six weeks in order to reach radioactive equilibrium between 226Ra and its
descendants. All samples stored in cylindrical boxes were measured by means of two
coaxial semiconductor HPGe detectors with different characteristics, while samples
stored in Marinelli beakers were measured only by means of one coaxial semiconductor
HPGe detector. The activity concentrations of radionuclides 40K, 137Cs, 235U, 226Ra, 238U
and 228Ac in all soil samples were determined. Variations in specific activities
determination for different geometries measured using one of the detectors, as well as
for cylindrical box geometry measured using both detectors, are presented in this
paper. The causes of these variations are analyzed.
PB  - Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе
C3  - 29. симпозијум ДЗЗСЦГ : зборник радова
T1  - Varijacije pri određivanju specifičnih aktivnosti u uzorcima zemljišta za različite geometrije i HPGe detektore
T1  - Variations in specific activities determination in soil samples for different geometries and HPGe detectors
SP  - 462
EP  - 466
ER  - 
@conference{
author = "Đurašević, Mirjana M. and Kandić, Aleksandar and Milinčić, Miroljub and Vukanac, Ivana and Jevremović, Aleksandar M. and Milošević, Zoran and Lončar, Boris B.",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8315, https://plus.sr.cobiss.net/opac7/bib/245691404, http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf",
abstract = "Gamaspektrometrija je jedna od najčešće korišćenih metoda za kvalitativno i
kvantitativno određivanje sadržaja radionuklida u zemljištu i drugim uzorcima iz
životne sredine. Meren je 31 uzorak zemljišta sa teritorije opštine Aleksandrovac, pri
čemu su za svaki uzorak korišćene dve različite geometrije (cilindrična kutijica i
marineli posuda). Određene su specifične aktivnosti radioizotopa uranovog i torijumovog niza, kao i 235U, 40K i 137Cs. Uzorci zemlje u geometriji cilindrične kutijice mereni
sa na dva HPGe detektora različitih efikasnosti i karakteristika, dok su uzorci u
marineli posudi mereni samo na jednom HPGe detektoru. U radu su prikazani rezultati
poređenja specifičnih aktivnosti istih radionuklida dobijenih merenjem uzoraka u
različitim geometrijama na istom HPGe detektoru kao i uzoraka u geometriji
cilindrične kutijice merenih na različitim detektorima. Analizirani su uzroci nastalih
varijacija., Gamma ray spectrometry is an analytical method that allows the identification and
quantification of gamma emitting radioisotopes in soil and other environmental
samples. 31 samples of soil were collected from different location in the territory of
Aleksandrovac municipality. All soil samples were dried, milled and sealed in two
different geometries (500 ml Marinelli beaker and 125 ml cylindrical boxes) and stored
for six weeks in order to reach radioactive equilibrium between 226Ra and its
descendants. All samples stored in cylindrical boxes were measured by means of two
coaxial semiconductor HPGe detectors with different characteristics, while samples
stored in Marinelli beakers were measured only by means of one coaxial semiconductor
HPGe detector. The activity concentrations of radionuclides 40K, 137Cs, 235U, 226Ra, 238U
and 228Ac in all soil samples were determined. Variations in specific activities
determination for different geometries measured using one of the detectors, as well as
for cylindrical box geometry measured using both detectors, are presented in this
paper. The causes of these variations are analyzed.",
publisher = "Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе",
journal = "29. симпозијум ДЗЗСЦГ : зборник радова",
title = "Varijacije pri određivanju specifičnih aktivnosti u uzorcima zemljišta za različite geometrije i HPGe detektore, Variations in specific activities determination in soil samples for different geometries and HPGe detectors",
pages = "462-466"
}
Đurašević, M. M., Kandić, A., Milinčić, M., Vukanac, I., Jevremović, A. M., Milošević, Z.,& Lončar, B. B. (2017). Variations in specific activities determination in soil samples for different geometries and HPGe detectors.
29. симпозијум ДЗЗСЦГ : зборник радова
Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе., 462-466.
Đurašević MM, Kandić A, Milinčić M, Vukanac I, Jevremović AM, Milošević Z, Lončar BB. Variations in specific activities determination in soil samples for different geometries and HPGe detectors. 29. симпозијум ДЗЗСЦГ : зборник радова. 2017;:462-466
Đurašević Mirjana M., Kandić Aleksandar, Milinčić Miroljub, Vukanac Ivana, Jevremović Aleksandar M., Milošević Zoran, Lončar Boris B., "Variations in specific activities determination in soil samples for different geometries and HPGe detectors" 29. симпозијум ДЗЗСЦГ : зборник радова (2017):462-466

Razlika između odziva RADFET u statičkom i dinamičkom on-line mernom sistemu prilikom izlaganja gama zračenju Co60

Stanković, Srboljub J.; Jakšić, Aleksandar; Vasović, Nikola; Lončar, Boris B.; Kržanović, Nikola; Živanović, Miloš Z.

(Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе, 2017)

TY  - CONF
AU  - Stanković, Srboljub J.
AU  - Jakšić, Aleksandar
AU  - Vasović, Nikola
AU  - Lončar, Boris B.
AU  - Kržanović, Nikola
AU  - Živanović, Miloš Z.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8332
UR  - https://plus.sr.cobiss.net/opac7/bib/245691404
UR  - http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf
AB  - U ovom radu su sprovedena eksperimentalna istraživanja odziva ESAPMOS4 RADFET
komponenti u polju gama zračenja 60Co kada su inkorporirane u dva različita merna
sistema, u statičkom i dinamičkom on-line mernom sistemu. Značaj istraživanja se
ogleda u uspostavljanju metoda kojim se ostvaruje eksperimentalna karakterizacija
RADFET strukture u poljima jonizujućeg zračenja s obzirom da se koristi on-line merna
tehnika određivanja zavisnosti napona praga RADFET od promene apsorbovane doze
zračenja u dinamičkom režimu rada digitalnog mernog sistema. To znači da se
kontinualno sprovodi registrovanje vrednosti električne veličine kojom se prati odziv
MOSFET-a u tačno zadatim vremenskim intervalima dok traje ozračivanje komponente,
što ranije nije bio slučaj u statičkom režimu merenja promene napona praga. Razlika
između izmerenih odziva za dva različita sistema merenja je bila u granicama
eksperimentalne merne nesigurnosti od 2% do 5% .
AB  - In this paper, experimental responses to ESAPMOS4 RADFET components in the field
of gamma radiation 60Co were performed when incorporated into two different
measurement systems, in a static and dynamic on-line measurement systems. The
significance of the research is reflected in the establishment of methods for achieving
the experimental characterization of the RADFET structure in ionizing radiation fields
since the use of an on-line measuring technique for determining the dependence of the
RADFET threshold voltage on changing the absorbed dose of radiation in the dynamic
regime of the digital measuring system is used. This means that continuously the
registration of an electrical quantity value to monitor the response of the MOSFET at
precisely defined time intervals while the component is irradiated, which was not the
case before in the static measurement mode of change the threshold voltage. The
difference between the measured responses for two different measurement systems was
within the experimental measurement uncertainty of 2% to 5%.
PB  - Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе
C3  - 29. симпозијум ДЗЗСЦГ : зборник радова
T1  - Razlika između odziva RADFET u statičkom i dinamičkom on-line mernom sistemu prilikom izlaganja gama zračenju Co60
T1  - Difference between RADFET response in static and dynamic on-line measurement systems during exposed to gamma radiation of Co60
SP  - 579
EP  - 586
ER  - 
@conference{
author = "Stanković, Srboljub J. and Jakšić, Aleksandar and Vasović, Nikola and Lončar, Boris B. and Kržanović, Nikola and Živanović, Miloš Z.",
year = "2017",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8332, https://plus.sr.cobiss.net/opac7/bib/245691404, http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf",
abstract = "U ovom radu su sprovedena eksperimentalna istraživanja odziva ESAPMOS4 RADFET
komponenti u polju gama zračenja 60Co kada su inkorporirane u dva različita merna
sistema, u statičkom i dinamičkom on-line mernom sistemu. Značaj istraživanja se
ogleda u uspostavljanju metoda kojim se ostvaruje eksperimentalna karakterizacija
RADFET strukture u poljima jonizujućeg zračenja s obzirom da se koristi on-line merna
tehnika određivanja zavisnosti napona praga RADFET od promene apsorbovane doze
zračenja u dinamičkom režimu rada digitalnog mernog sistema. To znači da se
kontinualno sprovodi registrovanje vrednosti električne veličine kojom se prati odziv
MOSFET-a u tačno zadatim vremenskim intervalima dok traje ozračivanje komponente,
što ranije nije bio slučaj u statičkom režimu merenja promene napona praga. Razlika
između izmerenih odziva za dva različita sistema merenja je bila u granicama
eksperimentalne merne nesigurnosti od 2% do 5% ., In this paper, experimental responses to ESAPMOS4 RADFET components in the field
of gamma radiation 60Co were performed when incorporated into two different
measurement systems, in a static and dynamic on-line measurement systems. The
significance of the research is reflected in the establishment of methods for achieving
the experimental characterization of the RADFET structure in ionizing radiation fields
since the use of an on-line measuring technique for determining the dependence of the
RADFET threshold voltage on changing the absorbed dose of radiation in the dynamic
regime of the digital measuring system is used. This means that continuously the
registration of an electrical quantity value to monitor the response of the MOSFET at
precisely defined time intervals while the component is irradiated, which was not the
case before in the static measurement mode of change the threshold voltage. The
difference between the measured responses for two different measurement systems was
within the experimental measurement uncertainty of 2% to 5%.",
publisher = "Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе",
journal = "29. симпозијум ДЗЗСЦГ : зборник радова",
title = "Razlika između odziva RADFET u statičkom i dinamičkom on-line mernom sistemu prilikom izlaganja gama zračenju Co60, Difference between RADFET response in static and dynamic on-line measurement systems during exposed to gamma radiation of Co60",
pages = "579-586"
}
Stanković, S. J., Jakšić, A., Vasović, N., Lončar, B. B., Kržanović, N.,& Živanović, M. Z. (2017). Difference between RADFET response in static and dynamic on-line measurement systems during exposed to gamma radiation of Co60.
29. симпозијум ДЗЗСЦГ : зборник радова
Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе., 579-586.
Stanković SJ, Jakšić A, Vasović N, Lončar BB, Kržanović N, Živanović MZ. Difference between RADFET response in static and dynamic on-line measurement systems during exposed to gamma radiation of Co60. 29. симпозијум ДЗЗСЦГ : зборник радова. 2017;:579-586
Stanković Srboljub J., Jakšić Aleksandar, Vasović Nikola, Lončar Boris B., Kržanović Nikola, Živanović Miloš Z., "Difference between RADFET response in static and dynamic on-line measurement systems during exposed to gamma radiation of Co60" 29. симпозијум ДЗЗСЦГ : зборник радова (2017):579-586

Quantifying shapes of nanoparticles using modified circularity and ellipticity measures

Kopanja, Lazar; Zunic, Dragisa; Lončar, Boris B.; Gyergyek, Sašo; Tadić, Marin

(2016)

TY  - JOUR
AU  - Kopanja, Lazar
AU  - Zunic, Dragisa
AU  - Lončar, Boris B.
AU  - Gyergyek, Sašo
AU  - Tadić, Marin
PY  - 2016
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1198
AB  - We propose using a new circularity measure, and an ellipticity measure. Observing an example of hematite (alpha-Fe2O3) nanoparticles, we compared and discussed a new circularity measure, with a standard measure. It has been shown that using the new measure gives better results when working with low-quality images or with low-resolution images. Using the same images modified ellipticity measure has also been discussed. We have analyzed the problems arising from computing the elongation of a shape. We have shown that the standard approach to compute elongation is not appropriate for some particles. We presented the application of the modified approach to solve this problem. (C) 2016 Elsevier Ltd. All rights reserved.
T2  - Measurement
T1  - Quantifying shapes of nanoparticles using modified circularity and ellipticity measures
VL  - 92
SP  - 252
EP  - 263
DO  - 10.1016/j.measurement.2016.06.021
ER  - 
@article{
author = "Kopanja, Lazar and Zunic, Dragisa and Lončar, Boris B. and Gyergyek, Sašo and Tadić, Marin",
year = "2016",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1198",
abstract = "We propose using a new circularity measure, and an ellipticity measure. Observing an example of hematite (alpha-Fe2O3) nanoparticles, we compared and discussed a new circularity measure, with a standard measure. It has been shown that using the new measure gives better results when working with low-quality images or with low-resolution images. Using the same images modified ellipticity measure has also been discussed. We have analyzed the problems arising from computing the elongation of a shape. We have shown that the standard approach to compute elongation is not appropriate for some particles. We presented the application of the modified approach to solve this problem. (C) 2016 Elsevier Ltd. All rights reserved.",
journal = "Measurement",
title = "Quantifying shapes of nanoparticles using modified circularity and ellipticity measures",
volume = "92",
pages = "252-263",
doi = "10.1016/j.measurement.2016.06.021"
}
Kopanja, L., Zunic, D., Lončar, B. B., Gyergyek, S.,& Tadić, M. (2016). Quantifying shapes of nanoparticles using modified circularity and ellipticity measures.
Measurement, 92, 252-263.
https://doi.org/10.1016/j.measurement.2016.06.021
Kopanja L, Zunic D, Lončar BB, Gyergyek S, Tadić M. Quantifying shapes of nanoparticles using modified circularity and ellipticity measures. Measurement. 2016;92:252-263
Kopanja Lazar, Zunic Dragisa, Lončar Boris B., Gyergyek Sašo, Tadić Marin, "Quantifying shapes of nanoparticles using modified circularity and ellipticity measures" Measurement, 92 (2016):252-263,
https://doi.org/10.1016/j.measurement.2016.06.021 .
24
21
22

Novel method of measurement of radon exhalation from building materials

Awhida, Ahmed; Ujić, Predrag; Vukanac, Ivana; Đurašević, Mirjana M.; Kandić, Aleksandar; Čeliković, Igor T.; Lončar, Boris B.; Kolarž, Predrag M.

(2016)

TY  - JOUR
AU  - Awhida, Ahmed
AU  - Ujić, Predrag
AU  - Vukanac, Ivana
AU  - Đurašević, Mirjana M.
AU  - Kandić, Aleksandar
AU  - Čeliković, Igor T.
AU  - Lončar, Boris B.
AU  - Kolarž, Predrag M.
PY  - 2016
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1346
AB  - In the era of the energy saving policy (i.e. more air tight doors and windows), the radon exhaled from building materials tends to increase its concentration in indoor air, which increases the importance of the measurement of radon exhalation from building materials. This manuscript presents a novel method of the radon exhalation measurement using only a HPGe detector or any other gamma spectrometer. Comparing it with the already used methods of radon exhalation measurements, this method provides the measurement of the emanation coefficient, the radon diffusion length and the radon exhalation rate, all within the same measurement, which additionally defines materials radon protective properties. Furthermore it does not necessitate additional equipment for radon or radon exhalation measurement, which simplifies measurement technique, and thus potentially facilitates introduction of legal obligation for radon exhalation determination in building materials. (C) 2016 Elsevier Ltd. All rights reserved.
T2  - Journal of Environmental Radioactivity
T1  - Novel method of measurement of radon exhalation from building materials
VL  - 164
SP  - 337
EP  - 343
DO  - 10.1016/j.jenvrad.2016.08.009
ER  - 
@article{
author = "Awhida, Ahmed and Ujić, Predrag and Vukanac, Ivana and Đurašević, Mirjana M. and Kandić, Aleksandar and Čeliković, Igor T. and Lončar, Boris B. and Kolarž, Predrag M.",
year = "2016",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1346",
abstract = "In the era of the energy saving policy (i.e. more air tight doors and windows), the radon exhaled from building materials tends to increase its concentration in indoor air, which increases the importance of the measurement of radon exhalation from building materials. This manuscript presents a novel method of the radon exhalation measurement using only a HPGe detector or any other gamma spectrometer. Comparing it with the already used methods of radon exhalation measurements, this method provides the measurement of the emanation coefficient, the radon diffusion length and the radon exhalation rate, all within the same measurement, which additionally defines materials radon protective properties. Furthermore it does not necessitate additional equipment for radon or radon exhalation measurement, which simplifies measurement technique, and thus potentially facilitates introduction of legal obligation for radon exhalation determination in building materials. (C) 2016 Elsevier Ltd. All rights reserved.",
journal = "Journal of Environmental Radioactivity",
title = "Novel method of measurement of radon exhalation from building materials",
volume = "164",
pages = "337-343",
doi = "10.1016/j.jenvrad.2016.08.009"
}
Awhida, A., Ujić, P., Vukanac, I., Đurašević, M. M., Kandić, A., Čeliković, I. T., Lončar, B. B.,& Kolarž, P. M. (2016). Novel method of measurement of radon exhalation from building materials.
Journal of Environmental Radioactivity, 164, 337-343.
https://doi.org/10.1016/j.jenvrad.2016.08.009
Awhida A, Ujić P, Vukanac I, Đurašević MM, Kandić A, Čeliković IT, Lončar BB, Kolarž PM. Novel method of measurement of radon exhalation from building materials. Journal of Environmental Radioactivity. 2016;164:337-343
Awhida Ahmed, Ujić Predrag, Vukanac Ivana, Đurašević Mirjana M., Kandić Aleksandar, Čeliković Igor T., Lončar Boris B., Kolarž Predrag M., "Novel method of measurement of radon exhalation from building materials" Journal of Environmental Radioactivity, 164 (2016):337-343,
https://doi.org/10.1016/j.jenvrad.2016.08.009 .
14
12
16

Core-shell superparamagnetic iron oxide nanoparticle (SPION) clusters: TEM micrograph analysis, particle design and shape analysis

Kopanja, Lazar; Kralj, Slavko; Zunic, Dragisa; Lončar, Boris B.; Tadić, Marin

(2016)

TY  - JOUR
AU  - Kopanja, Lazar
AU  - Kralj, Slavko
AU  - Zunic, Dragisa
AU  - Lončar, Boris B.
AU  - Tadić, Marin
PY  - 2016
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1089
AB  - For the first time, particle shape analysis of silica coated iron oxide (maghemite/magnetite) nanoparticle clusters (core-shell nanostructures) is discussed using computational methods. We analyzed three samples of core-shell nanostructures synthesized with different thickness of the silica shell. A new computational method is presented and successfully applied to the segmentation of the core-shell nanoparticles, as one of the main problems in image analysis of the TEM micrographs. We have introduced the circularity coefficient, marked with k(circ) and defined as the ratio of circularity measure C-2(S) of nanoparticles core and circularity measure core-shell nanoparticles in order to answer the question how the shell affects the overall shape of the final core-shell structure, with respect to circularity. More precisely, the circularity coefficient determines whether the circularity of the core-shell nanoparticle is higher, lower or equal to the circularity of the core. We have also determined the shells share in the overall area of the core-shell nanoparticle. The core-shell nanoparticle clusters here investigated exhibit superparamagnetic properties at room temperature, thus emphasizing their potential for use in practical applications such as in biomedical and particle separation. We show that the saturation magnetization strength can be easily adjusted by controlling the thickness of the silica shell. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Core-shell superparamagnetic iron oxide nanoparticle (SPION) clusters: TEM micrograph analysis, particle design and shape analysis
VL  - 42
IS  - 9
SP  - 10976
EP  - 10984
DO  - 10.1016/j.ceramint.2016.03.235
ER  - 
@article{
author = "Kopanja, Lazar and Kralj, Slavko and Zunic, Dragisa and Lončar, Boris B. and Tadić, Marin",
year = "2016",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1089",
abstract = "For the first time, particle shape analysis of silica coated iron oxide (maghemite/magnetite) nanoparticle clusters (core-shell nanostructures) is discussed using computational methods. We analyzed three samples of core-shell nanostructures synthesized with different thickness of the silica shell. A new computational method is presented and successfully applied to the segmentation of the core-shell nanoparticles, as one of the main problems in image analysis of the TEM micrographs. We have introduced the circularity coefficient, marked with k(circ) and defined as the ratio of circularity measure C-2(S) of nanoparticles core and circularity measure core-shell nanoparticles in order to answer the question how the shell affects the overall shape of the final core-shell structure, with respect to circularity. More precisely, the circularity coefficient determines whether the circularity of the core-shell nanoparticle is higher, lower or equal to the circularity of the core. We have also determined the shells share in the overall area of the core-shell nanoparticle. The core-shell nanoparticle clusters here investigated exhibit superparamagnetic properties at room temperature, thus emphasizing their potential for use in practical applications such as in biomedical and particle separation. We show that the saturation magnetization strength can be easily adjusted by controlling the thickness of the silica shell. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Core-shell superparamagnetic iron oxide nanoparticle (SPION) clusters: TEM micrograph analysis, particle design and shape analysis",
volume = "42",
number = "9",
pages = "10976-10984",
doi = "10.1016/j.ceramint.2016.03.235"
}
Kopanja, L., Kralj, S., Zunic, D., Lončar, B. B.,& Tadić, M. (2016). Core-shell superparamagnetic iron oxide nanoparticle (SPION) clusters: TEM micrograph analysis, particle design and shape analysis.
Ceramics International, 42(9), 10976-10984.
https://doi.org/10.1016/j.ceramint.2016.03.235
Kopanja L, Kralj S, Zunic D, Lončar BB, Tadić M. Core-shell superparamagnetic iron oxide nanoparticle (SPION) clusters: TEM micrograph analysis, particle design and shape analysis. Ceramics International. 2016;42(9):10976-10984
Kopanja Lazar, Kralj Slavko, Zunic Dragisa, Lončar Boris B., Tadić Marin, "Core-shell superparamagnetic iron oxide nanoparticle (SPION) clusters: TEM micrograph analysis, particle design and shape analysis" Ceramics International, 42, no. 9 (2016):10976-10984,
https://doi.org/10.1016/j.ceramint.2016.03.235 .
42
38
39

Mathematical Modeling of Environmental Impacts of a Reactor Through the Air

Nikezić, Dušan; Lončar, Boris B.; Grsic, Zoran J.; Dimović, Slavko

(2014)

TY  - JOUR
AU  - Nikezić, Dušan
AU  - Lončar, Boris B.
AU  - Grsic, Zoran J.
AU  - Dimović, Slavko
PY  - 2014
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/401
AB  - This paper presents an algorithm for the calculation of internal and external doses as an integral part of the mathematical model of atmospheric dispersion. The air pollution dispersion model is used on average annual activity concentration in the air, deposition on soil and field of total annual dose to a hypothetical resident contaminated by air in the vicinity of a nuclear reactor. The results of modeling were compared with values from an IAEA publication for a given scenario of radionuclide emission to the atmospheric boundary layer. Due to small differences in the results, compared to the IAEA recommended model, the model presented in the paper can be used as a basis for this type of analysis.
T2  - Nuclear technology and radiation protection
T1  - Mathematical Modeling of Environmental Impacts of a Reactor Through the Air
VL  - 29
IS  - 4
SP  - 268
EP  - 273
DO  - 10.2298/NTRP1404268N
ER  - 
@article{
author = "Nikezić, Dušan and Lončar, Boris B. and Grsic, Zoran J. and Dimović, Slavko",
year = "2014",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/401",
abstract = "This paper presents an algorithm for the calculation of internal and external doses as an integral part of the mathematical model of atmospheric dispersion. The air pollution dispersion model is used on average annual activity concentration in the air, deposition on soil and field of total annual dose to a hypothetical resident contaminated by air in the vicinity of a nuclear reactor. The results of modeling were compared with values from an IAEA publication for a given scenario of radionuclide emission to the atmospheric boundary layer. Due to small differences in the results, compared to the IAEA recommended model, the model presented in the paper can be used as a basis for this type of analysis.",
journal = "Nuclear technology and radiation protection",
title = "Mathematical Modeling of Environmental Impacts of a Reactor Through the Air",
volume = "29",
number = "4",
pages = "268-273",
doi = "10.2298/NTRP1404268N"
}
Nikezić, D., Lončar, B. B., Grsic, Z. J.,& Dimović, S. (2014). Mathematical Modeling of Environmental Impacts of a Reactor Through the Air.
Nuclear technology and radiation protection, 29(4), 268-273.
https://doi.org/10.2298/NTRP1404268N
Nikezić D, Lončar BB, Grsic ZJ, Dimović S. Mathematical Modeling of Environmental Impacts of a Reactor Through the Air. Nuclear technology and radiation protection. 2014;29(4):268-273
Nikezić Dušan, Lončar Boris B., Grsic Zoran J., Dimović Slavko, "Mathematical Modeling of Environmental Impacts of a Reactor Through the Air" Nuclear technology and radiation protection, 29, no. 4 (2014):268-273,
https://doi.org/10.2298/NTRP1404268N .
3
2
4

Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation

Stanković, Srboljub J.; Ilic, R. D.; Živanović, Miloš Z.; Janković, Ksenija S.; Lončar, Boris B.

(2012)

TY  - JOUR
AU  - Stanković, Srboljub J.
AU  - Ilic, R. D.
AU  - Živanović, Miloš Z.
AU  - Janković, Ksenija S.
AU  - Lončar, Boris B.
PY  - 2012
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5095
AB  - Radiation sensing MOSFETs have found numerous applications as detectors or device components in radiation fields used in nuclear industry, medical applications and space research. Monte Carlo simulations of MOSFET energy response to X-ray and gamma radiation for different packaging were performed. The photon transport Monte Carlo software FOTELP-2K10 has been adapted to obtain the energy deposited in MOSFET structure with microscopic dimensions. In this work the ratio between values of total energy deposited in the sensitive volume (thick SiO2 layer) for cases of MOSFET structure with and without package lid is presented. For this purpose is defined the shielding energy dependence factor (SDEF), and gave its value for kovar and Ti-24Al-11Nb and Ti-13Nb-13Zr alloys as lid materials.
T2  - Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics
T1  - Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation
VL  - 122
IS  - 4
SP  - 655
EP  - 658
DO  - 10.12693/APhysPolA.122.655
ER  - 
@article{
author = "Stanković, Srboljub J. and Ilic, R. D. and Živanović, Miloš Z. and Janković, Ksenija S. and Lončar, Boris B.",
year = "2012",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5095",
abstract = "Radiation sensing MOSFETs have found numerous applications as detectors or device components in radiation fields used in nuclear industry, medical applications and space research. Monte Carlo simulations of MOSFET energy response to X-ray and gamma radiation for different packaging were performed. The photon transport Monte Carlo software FOTELP-2K10 has been adapted to obtain the energy deposited in MOSFET structure with microscopic dimensions. In this work the ratio between values of total energy deposited in the sensitive volume (thick SiO2 layer) for cases of MOSFET structure with and without package lid is presented. For this purpose is defined the shielding energy dependence factor (SDEF), and gave its value for kovar and Ti-24Al-11Nb and Ti-13Nb-13Zr alloys as lid materials.",
journal = "Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics",
title = "Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation",
volume = "122",
number = "4",
pages = "655-658",
doi = "10.12693/APhysPolA.122.655"
}
Stanković, S. J., Ilic, R. D., Živanović, M. Z., Janković, K. S.,& Lončar, B. B. (2012). Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation.
Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics, 122(4), 655-658.
https://doi.org/10.12693/APhysPolA.122.655
Stanković SJ, Ilic RD, Živanović MZ, Janković KS, Lončar BB. Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation. Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics. 2012;122(4):655-658
Stanković Srboljub J., Ilic R. D., Živanović Miloš Z., Janković Ksenija S., Lončar Boris B., "Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation" Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics, 122, no. 4 (2012):655-658,
https://doi.org/10.12693/APhysPolA.122.655 .
2
3
3

Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud

Smiljanić, Slavko N.; Smičiklas, Ivana D.; Perić-Grujić, Aleksandra A.; Šljivić-Ivanović, Marija Z.; Dukic, B.; Lončar, Boris B.

(2011)

TY  - JOUR
AU  - Smiljanić, Slavko N.
AU  - Smičiklas, Ivana D.
AU  - Perić-Grujić, Aleksandra A.
AU  - Šljivić-Ivanović, Marija Z.
AU  - Dukic, B.
AU  - Lončar, Boris B.
PY  - 2011
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/4298
AB  - The waste red mud, remaining in remarkable quantities after the digestion of bauxite ores following the Bayer process, contains number of voluble minerals with excellent sorption properties towards aqueous heavy metals. Heating at 600 degrees C was found to be a favorable treatment for revalorization of rinsed red mud into an efficient Ni2+ sorbent (RBRM600). As potential practical application of RBRM600 for Ni2+ accumulation greatly depends on the solution composition and pH, the influence of these vital process variables was considered in this study. The initial pH rise from 2 to 3.5 caused the most evident increase in the amounts of Ni2+ removed: furthermore, the effect was more obvious for lower initial sorbate concentrations. Conversely, changes of the solution pH between 3.5 and 8 did not have a significant influence on the sorption. The increase of initial cation concentration caused the increase of the sorbed amount. following Langmuir isotherm model. The calculated maximum sorption capacity of 27.54 mg/g demonstrated capacity increase of approximately 20% in respect to inactivated rinsed red mud. Coexisting cations inhibited Ni2+ removal in the following order: Cu2+ GT Pb2+ GT = Zn2+ GT Cd2+ GT GT Ca2+, whereas the presence of Na+ and K+ did not affect the process. The investigated anions caused decrease of Ni2+ removal efficiency in the order: EDTA GT chromate GT acetate GT sulphate, however, fluoride slightly improved sorption. Low desorption of Ni2+ in various media showed that the heavy metal cations are tightly bound to RBRM600 surface, thus disposal or reuse of spent sorbent should be considered. (C) 2011 Elsevier B.V. All rights reserved.
T2  - Chemical Engineering Journal
T1  - Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud
VL  - 168
IS  - 2
SP  - 610
EP  - 619
DO  - 10.1016/j.cej.2011.01.034
ER  - 
@article{
author = "Smiljanić, Slavko N. and Smičiklas, Ivana D. and Perić-Grujić, Aleksandra A. and Šljivić-Ivanović, Marija Z. and Dukic, B. and Lončar, Boris B.",
year = "2011",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/4298",
abstract = "The waste red mud, remaining in remarkable quantities after the digestion of bauxite ores following the Bayer process, contains number of voluble minerals with excellent sorption properties towards aqueous heavy metals. Heating at 600 degrees C was found to be a favorable treatment for revalorization of rinsed red mud into an efficient Ni2+ sorbent (RBRM600). As potential practical application of RBRM600 for Ni2+ accumulation greatly depends on the solution composition and pH, the influence of these vital process variables was considered in this study. The initial pH rise from 2 to 3.5 caused the most evident increase in the amounts of Ni2+ removed: furthermore, the effect was more obvious for lower initial sorbate concentrations. Conversely, changes of the solution pH between 3.5 and 8 did not have a significant influence on the sorption. The increase of initial cation concentration caused the increase of the sorbed amount. following Langmuir isotherm model. The calculated maximum sorption capacity of 27.54 mg/g demonstrated capacity increase of approximately 20% in respect to inactivated rinsed red mud. Coexisting cations inhibited Ni2+ removal in the following order: Cu2+ GT Pb2+ GT = Zn2+ GT Cd2+ GT GT Ca2+, whereas the presence of Na+ and K+ did not affect the process. The investigated anions caused decrease of Ni2+ removal efficiency in the order: EDTA GT chromate GT acetate GT sulphate, however, fluoride slightly improved sorption. Low desorption of Ni2+ in various media showed that the heavy metal cations are tightly bound to RBRM600 surface, thus disposal or reuse of spent sorbent should be considered. (C) 2011 Elsevier B.V. All rights reserved.",
journal = "Chemical Engineering Journal",
title = "Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud",
volume = "168",
number = "2",
pages = "610-619",
doi = "10.1016/j.cej.2011.01.034"
}
Smiljanić, S. N., Smičiklas, I. D., Perić-Grujić, A. A., Šljivić-Ivanović, M. Z., Dukic, B.,& Lončar, B. B. (2011). Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud.
Chemical Engineering Journal, 168(2), 610-619.
https://doi.org/10.1016/j.cej.2011.01.034
Smiljanić SN, Smičiklas ID, Perić-Grujić AA, Šljivić-Ivanović MZ, Dukic B, Lončar BB. Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud. Chemical Engineering Journal. 2011;168(2):610-619
Smiljanić Slavko N., Smičiklas Ivana D., Perić-Grujić Aleksandra A., Šljivić-Ivanović Marija Z., Dukic B., Lončar Boris B., "Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud" Chemical Engineering Journal, 168, no. 2 (2011):610-619,
https://doi.org/10.1016/j.cej.2011.01.034 .
21
20
22

Characterization of New Structure for Silicon Carbide X-Ray Detector by Method Monte Carlo

Stanković, Srboljub J.; Ilic, R. D.; Janković, Ksenija S.; Vasic-Milovanovic, A.; Lončar, Boris B.

(2011)

TY  - JOUR
AU  - Stanković, Srboljub J.
AU  - Ilic, R. D.
AU  - Janković, Ksenija S.
AU  - Vasic-Milovanovic, A.
AU  - Lončar, Boris B.
PY  - 2011
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/6918
AB  - This work presents a characterization of radiation absorption properties of silicon carbide (SiC) as semiconductor for the realization of detectors for X-rays. SiC detectors can potentially reach superior performance with respect to all the other semiconductors presently employed in hazardous environments in nuclear and space science and technology. Physics and numerical modeling of photons transport through SiC detector is incorporated in non-destructive Monte Carlo method for determining the energy deposited and dose distribution. The Monte Carlo code has been adopted for numerical simulations for different detector conditions and configurations. The X-ray characterization of new SiC structures originates the improving of design of these detector systems.
T2  - Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics
T1  - Characterization of New Structure for Silicon Carbide X-Ray Detector by Method Monte Carlo
VL  - 120
IS  - 2
SP  - 252
EP  - 255
DO  - 10.12693/APhysPolA.120.252
ER  - 
@article{
author = "Stanković, Srboljub J. and Ilic, R. D. and Janković, Ksenija S. and Vasic-Milovanovic, A. and Lončar, Boris B.",
year = "2011",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/6918",
abstract = "This work presents a characterization of radiation absorption properties of silicon carbide (SiC) as semiconductor for the realization of detectors for X-rays. SiC detectors can potentially reach superior performance with respect to all the other semiconductors presently employed in hazardous environments in nuclear and space science and technology. Physics and numerical modeling of photons transport through SiC detector is incorporated in non-destructive Monte Carlo method for determining the energy deposited and dose distribution. The Monte Carlo code has been adopted for numerical simulations for different detector conditions and configurations. The X-ray characterization of new SiC structures originates the improving of design of these detector systems.",
journal = "Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics",
title = "Characterization of New Structure for Silicon Carbide X-Ray Detector by Method Monte Carlo",
volume = "120",
number = "2",
pages = "252-255",
doi = "10.12693/APhysPolA.120.252"
}
Stanković, S. J., Ilic, R. D., Janković, K. S., Vasic-Milovanovic, A.,& Lončar, B. B. (2011). Characterization of New Structure for Silicon Carbide X-Ray Detector by Method Monte Carlo.
Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics, 120(2), 252-255.
https://doi.org/10.12693/APhysPolA.120.252
Stanković SJ, Ilic RD, Janković KS, Vasic-Milovanovic A, Lončar BB. Characterization of New Structure for Silicon Carbide X-Ray Detector by Method Monte Carlo. Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics. 2011;120(2):252-255
Stanković Srboljub J., Ilic R. D., Janković Ksenija S., Vasic-Milovanovic A., Lončar Boris B., "Characterization of New Structure for Silicon Carbide X-Ray Detector by Method Monte Carlo" Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics, 120, no. 2 (2011):252-255,
https://doi.org/10.12693/APhysPolA.120.252 .
2
2
2

Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions

Smičiklas, Ivana D.; Dimović, Slavko; Šljivić-Ivanović, Marija Z.; Plećaš, Ilija B.; Lončar, Boris B.; Mitrić, Miodrag

(2010)

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Dimović, Slavko
AU  - Šljivić-Ivanović, Marija Z.
AU  - Plećaš, Ilija B.
AU  - Lončar, Boris B.
AU  - Mitrić, Miodrag
PY  - 2010
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/4011
AB  - The interaction between Sr2+ ions and variously treated animal bones was studied from the aspect of Sr-90 isotope immobilization from the contaminated effluents. As a source of biogenic, poorly-crystalline apatite, bone based materials, in general, were found to exhibit good retention properties towards Sr2+ cation. Furthermore, sorption capacities of H2O2 treated bone sample and sample annealed at 400 degrees C were found to be higher in respect to a commercial bone char and synthetic hydroxyapatite. Mentioned treatments induced partial organic phase removal from the pores of the skeletal material that caused the increase of the specific surface area. Higher temperatures provoked an increase of the apatite phase crystallinity, agglomeration of nano-crystals and a decrease of both the specific surface area and Sr2+ sorption. The immobilization was pH independent in the range 4-10, as a result of sorbents buffering properties. Kinetic data were well represented by the pseudo-second-order reaction model. Sorption isotherms were in better correlation with Freundlich than Langmuir theoretical model, whereas samples heated at 800 degrees C and 1000 degrees C showed S-type isotherms which were in a good agreement with sigmoidal Langmuir equation. The ion-exchange with Ca2+ cations and the specific cation sorption were two recognized mechanisms in the Sr2+ removal process, with relative contributions strongly dependent on the sorbents physicochemical properties. Sr2+ -loaded products were the most stable in the neutral and alkaline environments, while Ca2+ containing and acidic leaching solutions caused increased Sr2+ desorption. (C) 2010 Elsevier B.V. All rights reserved.
T2  - Journal of Nuclear Materials
T1  - Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions
VL  - 400
IS  - 1
SP  - 15
EP  - 24
DO  - 10.1016/j.jnucmat.2010.02.004
ER  - 
@article{
author = "Smičiklas, Ivana D. and Dimović, Slavko and Šljivić-Ivanović, Marija Z. and Plećaš, Ilija B. and Lončar, Boris B. and Mitrić, Miodrag",
year = "2010",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/4011",
abstract = "The interaction between Sr2+ ions and variously treated animal bones was studied from the aspect of Sr-90 isotope immobilization from the contaminated effluents. As a source of biogenic, poorly-crystalline apatite, bone based materials, in general, were found to exhibit good retention properties towards Sr2+ cation. Furthermore, sorption capacities of H2O2 treated bone sample and sample annealed at 400 degrees C were found to be higher in respect to a commercial bone char and synthetic hydroxyapatite. Mentioned treatments induced partial organic phase removal from the pores of the skeletal material that caused the increase of the specific surface area. Higher temperatures provoked an increase of the apatite phase crystallinity, agglomeration of nano-crystals and a decrease of both the specific surface area and Sr2+ sorption. The immobilization was pH independent in the range 4-10, as a result of sorbents buffering properties. Kinetic data were well represented by the pseudo-second-order reaction model. Sorption isotherms were in better correlation with Freundlich than Langmuir theoretical model, whereas samples heated at 800 degrees C and 1000 degrees C showed S-type isotherms which were in a good agreement with sigmoidal Langmuir equation. The ion-exchange with Ca2+ cations and the specific cation sorption were two recognized mechanisms in the Sr2+ removal process, with relative contributions strongly dependent on the sorbents physicochemical properties. Sr2+ -loaded products were the most stable in the neutral and alkaline environments, while Ca2+ containing and acidic leaching solutions caused increased Sr2+ desorption. (C) 2010 Elsevier B.V. All rights reserved.",
journal = "Journal of Nuclear Materials",
title = "Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions",
volume = "400",
number = "1",
pages = "15-24",
doi = "10.1016/j.jnucmat.2010.02.004"
}
Smičiklas, I. D., Dimović, S., Šljivić-Ivanović, M. Z., Plećaš, I. B., Lončar, B. B.,& Mitrić, M. (2010). Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions.
Journal of Nuclear Materials, 400(1), 15-24.
https://doi.org/10.1016/j.jnucmat.2010.02.004
Smičiklas ID, Dimović S, Šljivić-Ivanović MZ, Plećaš IB, Lončar BB, Mitrić M. Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions. Journal of Nuclear Materials. 2010;400(1):15-24
Smičiklas Ivana D., Dimović Slavko, Šljivić-Ivanović Marija Z., Plećaš Ilija B., Lončar Boris B., Mitrić Miodrag, "Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions" Journal of Nuclear Materials, 400, no. 1 (2010):15-24,
https://doi.org/10.1016/j.jnucmat.2010.02.004 .
17
18
18

Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions

Smiljanić, Slavko N.; Smičiklas, Ivana D.; Perić-Grujić, Aleksandra A.; Lončar, Boris B.; Mitrić, Miodrag

(2010)

TY  - JOUR
AU  - Smiljanić, Slavko N.
AU  - Smičiklas, Ivana D.
AU  - Perić-Grujić, Aleksandra A.
AU  - Lončar, Boris B.
AU  - Mitrić, Miodrag
PY  - 2010
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/4076
AB  - Red mud, an abundant industrial waste from alumina industry, represents a rich source of various metal oxides, mainly of Fe2O3 Al2O3 and SiO2. In this study, the rinsed Bosnian red mud (RBRM) was evaluated as an economical, composite sorbent for aqueous Ni2+ ions. The process was investigated as a function of pH, contact time and initial metal concentration. The investigated mineral mixture exhibited a high acid neutralising capacity, and its most important role in cation immobilization was observed in the initial pH range 2-8. The initial metal ion concentration strongly influenced the sorption kinetics and equilibrium times. Addition of 5 g/L of RBRM caused 100% removal from the solutions of 10(-4) to 5 x 10(-4) mol/L, whereas with the further increase of Ni2+ concentration to 8 x 10(-3) mol/L, the removal efficiency decreased to 26%. The maximum sorption capacity of 0.372 mmol/g, at initial pH 5, was determined using Langmuir theoretical model. The possibility of sorption efficiency improvement by annealing RBRM powder was investigated in the range 200-900 degrees C and the relationships between temperature, red mud physicochemical and sorption properties were established. The optimum heating temperature was found to be 600 degrees C, due to water exclusion from gibbsite and bayerite phases, leading to improved porosity and surface area, as well as increased pH value and sorption efficiency. The stability of the sorbed cation was assessed by leaching experiments in distilled water and acidic TCLP2 solution. (C) 2010 Elsevier BM. All rights reserved.
T2  - Chemical Engineering Journal
T1  - Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions
VL  - 162
IS  - 1
SP  - 75
EP  - 83
DO  - 10.1016/j.cej.2010.04.062
ER  - 
@article{
author = "Smiljanić, Slavko N. and Smičiklas, Ivana D. and Perić-Grujić, Aleksandra A. and Lončar, Boris B. and Mitrić, Miodrag",
year = "2010",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/4076",
abstract = "Red mud, an abundant industrial waste from alumina industry, represents a rich source of various metal oxides, mainly of Fe2O3 Al2O3 and SiO2. In this study, the rinsed Bosnian red mud (RBRM) was evaluated as an economical, composite sorbent for aqueous Ni2+ ions. The process was investigated as a function of pH, contact time and initial metal concentration. The investigated mineral mixture exhibited a high acid neutralising capacity, and its most important role in cation immobilization was observed in the initial pH range 2-8. The initial metal ion concentration strongly influenced the sorption kinetics and equilibrium times. Addition of 5 g/L of RBRM caused 100% removal from the solutions of 10(-4) to 5 x 10(-4) mol/L, whereas with the further increase of Ni2+ concentration to 8 x 10(-3) mol/L, the removal efficiency decreased to 26%. The maximum sorption capacity of 0.372 mmol/g, at initial pH 5, was determined using Langmuir theoretical model. The possibility of sorption efficiency improvement by annealing RBRM powder was investigated in the range 200-900 degrees C and the relationships between temperature, red mud physicochemical and sorption properties were established. The optimum heating temperature was found to be 600 degrees C, due to water exclusion from gibbsite and bayerite phases, leading to improved porosity and surface area, as well as increased pH value and sorption efficiency. The stability of the sorbed cation was assessed by leaching experiments in distilled water and acidic TCLP2 solution. (C) 2010 Elsevier BM. All rights reserved.",
journal = "Chemical Engineering Journal",
title = "Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions",
volume = "162",
number = "1",
pages = "75-83",
doi = "10.1016/j.cej.2010.04.062"
}
Smiljanić, S. N., Smičiklas, I. D., Perić-Grujić, A. A., Lončar, B. B.,& Mitrić, M. (2010). Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions.
Chemical Engineering Journal, 162(1), 75-83.
https://doi.org/10.1016/j.cej.2010.04.062
Smiljanić SN, Smičiklas ID, Perić-Grujić AA, Lončar BB, Mitrić M. Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions. Chemical Engineering Journal. 2010;162(1):75-83
Smiljanić Slavko N., Smičiklas Ivana D., Perić-Grujić Aleksandra A., Lončar Boris B., Mitrić Miodrag, "Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions" Chemical Engineering Journal, 162, no. 1 (2010):75-83,
https://doi.org/10.1016/j.cej.2010.04.062 .
40
38
38

Gamma Radiation Absorption Characteristics of Concrete with Components of Different Type Materials

Stanković, Srboljub J.; Ilic, R. D.; Janković, Ksenija S.; Bojovic, D.; Lončar, Boris B.

(2010)

TY  - JOUR
AU  - Stanković, Srboljub J.
AU  - Ilic, R. D.
AU  - Janković, Ksenija S.
AU  - Bojovic, D.
AU  - Lončar, Boris B.
PY  - 2010
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/6871
AB  - Nuclear facilities as nuclear power stations, nuclear research reactors, particle accelerators and linear accelerator in medical institution using concrete in building construction. The different type materials of the aggregate as component of concrete were analyzed to provide radiation protection. The energy deposited the transmission factor and the mass attenuation coefficients in ordinary and barite concretes have been calculated with the photon transport Monte Carlo software. The numerical simulations results show that using barite as an aggregate in the concrete is one of the solutions for gamma ray shielding. Thereat, it is shown non-destructive method for determining the gamma radiation absorption characteristics of concrete.
T2  - Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics
T1  - Gamma Radiation Absorption Characteristics of Concrete with Components of Different Type Materials
VL  - 117
IS  - 5
SP  - 812
EP  - 816
DO  - 10.12693/APhysPolA.117.812
ER  - 
@article{
author = "Stanković, Srboljub J. and Ilic, R. D. and Janković, Ksenija S. and Bojovic, D. and Lončar, Boris B.",
year = "2010",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/6871",
abstract = "Nuclear facilities as nuclear power stations, nuclear research reactors, particle accelerators and linear accelerator in medical institution using concrete in building construction. The different type materials of the aggregate as component of concrete were analyzed to provide radiation protection. The energy deposited the transmission factor and the mass attenuation coefficients in ordinary and barite concretes have been calculated with the photon transport Monte Carlo software. The numerical simulations results show that using barite as an aggregate in the concrete is one of the solutions for gamma ray shielding. Thereat, it is shown non-destructive method for determining the gamma radiation absorption characteristics of concrete.",
journal = "Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics",
title = "Gamma Radiation Absorption Characteristics of Concrete with Components of Different Type Materials",
volume = "117",
number = "5",
pages = "812-816",
doi = "10.12693/APhysPolA.117.812"
}
Stanković, S. J., Ilic, R. D., Janković, K. S., Bojovic, D.,& Lončar, B. B. (2010). Gamma Radiation Absorption Characteristics of Concrete with Components of Different Type Materials.
Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics, 117(5), 812-816.
https://doi.org/10.12693/APhysPolA.117.812
Stanković SJ, Ilic RD, Janković KS, Bojovic D, Lončar BB. Gamma Radiation Absorption Characteristics of Concrete with Components of Different Type Materials. Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics. 2010;117(5):812-816
Stanković Srboljub J., Ilic R. D., Janković Ksenija S., Bojovic D., Lončar Boris B., "Gamma Radiation Absorption Characteristics of Concrete with Components of Different Type Materials" Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics, 117, no. 5 (2010):812-816,
https://doi.org/10.12693/APhysPolA.117.812 .
32
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33

Influence of Gamma Radiation on Some Commercial EPROM and EEPROM Components

Lončar, Boris B.; Stanković, Srboljub J.; Stankovic, Koviljka; Jovanovic, Bojan

(2010)

TY  - CONF
AU  - Lončar, Boris B.
AU  - Stanković, Srboljub J.
AU  - Stankovic, Koviljka
AU  - Jovanovic, Bojan
PY  - 2010
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/6963
AB  - This paper compares the reliability of standard commercial Erasable Programmable Read Only Memory (EPROM) and Electrically Erasable Programmable Read Only Memory ((EPROM)-P-2) components exposed to gamma rays. Results obtained for CMOS-based EPROM (NM27C010) and (EPROM)-P-2 (NM93CS46) components provide evidence that EPROMs have a greater radiation hardness than (EPROMs)-P-2. Moreover, the changes in EPROMs are reversible, and after erasure and reprogramming all EPROM components restore their functionality. On the other hand, changes in (EPROMs)-P-2 are irreversible. The obtained results are analyzed and interpreted on the basis of gamma ray interaction with the CMOS structure.
T1  - Influence of Gamma Radiation on Some Commercial EPROM and EEPROM Components
SP  - 1193
EP  - +
ER  - 
@conference{
author = "Lončar, Boris B. and Stanković, Srboljub J. and Stankovic, Koviljka and Jovanovic, Bojan",
year = "2010",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/6963",
abstract = "This paper compares the reliability of standard commercial Erasable Programmable Read Only Memory (EPROM) and Electrically Erasable Programmable Read Only Memory ((EPROM)-P-2) components exposed to gamma rays. Results obtained for CMOS-based EPROM (NM27C010) and (EPROM)-P-2 (NM93CS46) components provide evidence that EPROMs have a greater radiation hardness than (EPROMs)-P-2. Moreover, the changes in EPROMs are reversible, and after erasure and reprogramming all EPROM components restore their functionality. On the other hand, changes in (EPROMs)-P-2 are irreversible. The obtained results are analyzed and interpreted on the basis of gamma ray interaction with the CMOS structure.",
title = "Influence of Gamma Radiation on Some Commercial EPROM and EEPROM Components",
pages = "1193-+"
}
Lončar, B. B., Stanković, S. J., Stankovic, K.,& Jovanovic, B. (2010). Influence of Gamma Radiation on Some Commercial EPROM and EEPROM Components.
, 1193-+.
Lončar BB, Stanković SJ, Stankovic K, Jovanovic B. Influence of Gamma Radiation on Some Commercial EPROM and EEPROM Components. 2010;:1193-+
Lončar Boris B., Stanković Srboljub J., Stankovic Koviljka, Jovanovic Bojan, "Influence of Gamma Radiation on Some Commercial EPROM and EEPROM Components" (2010):1193-+
1