Omori, Y.

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  • Omori, Y. (4)

Author's Bibliography

Indoor Radon, Thoron and Their Progeny Concentrations in High Thoron Rural Serbia Environments

Žunić, Zora S.; Stojanovska, Zdenka A.; Veselinović, Nenad; Mishra, R.; Yarmoshenko, Ilia V.; Sapra, B. K.; Ishikawa, Tetsuo; Omori, Y.; Ćurguz, Zoran; Bossew, Peter; Udovicic, V.; Ramola, R. C.

(2017)

TY  - JOUR
AU  - Žunić, Zora S.
AU  - Stojanovska, Zdenka A.
AU  - Veselinović, Nenad
AU  - Mishra, R.
AU  - Yarmoshenko, Ilia V.
AU  - Sapra, B. K.
AU  - Ishikawa, Tetsuo
AU  - Omori, Y.
AU  - Ćurguz, Zoran
AU  - Bossew, Peter
AU  - Udovicic, V.
AU  - Ramola, R. C.
PY  - 2017
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7195
AB  - This article deals with the variation of radon (Rn), thoron (Tn) and their progeny concentrations expressed in terms of equilibrium equivalent concentrations (EERC and EETC), in 40 houses, in four villages of Sokobanja municipality, Southern Serbia. Two types of passive detectors were used: (1) discriminative radon-thoron detector for simultaneous Rn and Tn gases measurements and (2) direct Tn and Rn progeny sensors (DRPS/DTPS) for measuring Rn and Tn progeny concentrations. Detectors were exposed simultaneously for a single period of 12 months. Variations of Tn and EETC appear higher than those of Rn and EERC. Analysis of the spatial variation of the measured concentrations is also reported. This work is part of a wider survey of Rn, Tn and their progeny concentrations in indoor environments throughout the Balkan region started in 2011 year.
T2  - Radiation Protection Dosimetry
T1  - Indoor Radon, Thoron and Their Progeny Concentrations in High Thoron Rural Serbia Environments
VL  - 177
IS  - 1-2
SP  - 36
EP  - 39
DO  - 10.1093/rpd/ncx167
ER  - 
@article{
author = "Žunić, Zora S. and Stojanovska, Zdenka A. and Veselinović, Nenad and Mishra, R. and Yarmoshenko, Ilia V. and Sapra, B. K. and Ishikawa, Tetsuo and Omori, Y. and Ćurguz, Zoran and Bossew, Peter and Udovicic, V. and Ramola, R. C.",
year = "2017",
abstract = "This article deals with the variation of radon (Rn), thoron (Tn) and their progeny concentrations expressed in terms of equilibrium equivalent concentrations (EERC and EETC), in 40 houses, in four villages of Sokobanja municipality, Southern Serbia. Two types of passive detectors were used: (1) discriminative radon-thoron detector for simultaneous Rn and Tn gases measurements and (2) direct Tn and Rn progeny sensors (DRPS/DTPS) for measuring Rn and Tn progeny concentrations. Detectors were exposed simultaneously for a single period of 12 months. Variations of Tn and EETC appear higher than those of Rn and EERC. Analysis of the spatial variation of the measured concentrations is also reported. This work is part of a wider survey of Rn, Tn and their progeny concentrations in indoor environments throughout the Balkan region started in 2011 year.",
journal = "Radiation Protection Dosimetry",
title = "Indoor Radon, Thoron and Their Progeny Concentrations in High Thoron Rural Serbia Environments",
volume = "177",
number = "1-2",
pages = "36-39",
doi = "10.1093/rpd/ncx167"
}
Žunić, Z. S., Stojanovska, Z. A., Veselinović, N., Mishra, R., Yarmoshenko, I. V., Sapra, B. K., Ishikawa, T., Omori, Y., Ćurguz, Z., Bossew, P., Udovicic, V.,& Ramola, R. C.. (2017). Indoor Radon, Thoron and Their Progeny Concentrations in High Thoron Rural Serbia Environments. in Radiation Protection Dosimetry, 177(1-2), 36-39.
https://doi.org/10.1093/rpd/ncx167
Žunić ZS, Stojanovska ZA, Veselinović N, Mishra R, Yarmoshenko IV, Sapra BK, Ishikawa T, Omori Y, Ćurguz Z, Bossew P, Udovicic V, Ramola RC. Indoor Radon, Thoron and Their Progeny Concentrations in High Thoron Rural Serbia Environments. in Radiation Protection Dosimetry. 2017;177(1-2):36-39.
doi:10.1093/rpd/ncx167 .
Žunić, Zora S., Stojanovska, Zdenka A., Veselinović, Nenad, Mishra, R., Yarmoshenko, Ilia V., Sapra, B. K., Ishikawa, Tetsuo, Omori, Y., Ćurguz, Zoran, Bossew, Peter, Udovicic, V., Ramola, R. C., "Indoor Radon, Thoron and Their Progeny Concentrations in High Thoron Rural Serbia Environments" in Radiation Protection Dosimetry, 177, no. 1-2 (2017):36-39,
https://doi.org/10.1093/rpd/ncx167 . .
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Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska

Ćurguz, Zoran; Stojanovska, Zdenka A.; Žunić, Zora S.; Kolarž, Predrag M.; Ischikawa, T.; Omori, Y.; Mishra, R.; Sapra, B. K.; Vaupotič, Janja; Ujić, Predrag; Bossew, Peter

(2015)

TY  - JOUR
AU  - Ćurguz, Zoran
AU  - Stojanovska, Zdenka A.
AU  - Žunić, Zora S.
AU  - Kolarž, Predrag M.
AU  - Ischikawa, T.
AU  - Omori, Y.
AU  - Mishra, R.
AU  - Sapra, B. K.
AU  - Vaupotič, Janja
AU  - Ujić, Predrag
AU  - Bossew, Peter
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/736
AB  - This article reports results of the first investigations on indoor radon, thoron and their decay products concentration in 25 primary schools of Banja Luka, capital city of Republic Srpska. The measurements have been carried out in the period from May 2011 to April 2012 using 3 types of commercially available nuclear track detectors, named: long-term radon monitor (GAMMA 1)- for radon concentration measurements (C-Rn); radon-thoron discriminative monitor (RADUET) for thoron concentration measurements (C-Tn); while equilibrium equivalent radon concentration (EERC) and equilibrium equivalent thoron concentrations (EETC) measured by Direct Radon Progeny Sensors/Direct Thoron Progeny Sensors (DRPS/DTPS) were exposed in the period November 2011 to April 2012. In each school the detectors were deployed at 10 cm distance from the wall. The obtained geometric mean concentrations were C-Rn = 99 Bq m(-3) and C-Tn = 51 Bq m(-3) for radon and thoron gases respectively. Those for equilibrium equivalent radon concentration (EERC) and equilibrium equivalent thoron concentrations (EETC) were 11.2 Bq m(-3) and 0.4 Bq m(-3), respectively. The correlation analyses showed weak relation only between C-Rn and C-Tn as well as between C-Tn and EETC. The influence of the school geographical locations and factors linked to buildings characteristic in relation to measured concentrations were tested. The geographical location and floor level significantly influence C-Rn while C-Tn depend only from building materials (ANOVA, p LT = 0.05). The obtained geometric mean values of the equilibrium factors were 0.123 for radon and 0.008 for thoron. (C) 2015 Elsevier Ltd. All rights reserved.
T2  - Journal of Environmental Radioactivity
T1  - Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska
VL  - 148
SP  - 163
EP  - 169
DO  - 10.1016/j.jenvrad.2015.06.026
ER  - 
@article{
author = "Ćurguz, Zoran and Stojanovska, Zdenka A. and Žunić, Zora S. and Kolarž, Predrag M. and Ischikawa, T. and Omori, Y. and Mishra, R. and Sapra, B. K. and Vaupotič, Janja and Ujić, Predrag and Bossew, Peter",
year = "2015",
abstract = "This article reports results of the first investigations on indoor radon, thoron and their decay products concentration in 25 primary schools of Banja Luka, capital city of Republic Srpska. The measurements have been carried out in the period from May 2011 to April 2012 using 3 types of commercially available nuclear track detectors, named: long-term radon monitor (GAMMA 1)- for radon concentration measurements (C-Rn); radon-thoron discriminative monitor (RADUET) for thoron concentration measurements (C-Tn); while equilibrium equivalent radon concentration (EERC) and equilibrium equivalent thoron concentrations (EETC) measured by Direct Radon Progeny Sensors/Direct Thoron Progeny Sensors (DRPS/DTPS) were exposed in the period November 2011 to April 2012. In each school the detectors were deployed at 10 cm distance from the wall. The obtained geometric mean concentrations were C-Rn = 99 Bq m(-3) and C-Tn = 51 Bq m(-3) for radon and thoron gases respectively. Those for equilibrium equivalent radon concentration (EERC) and equilibrium equivalent thoron concentrations (EETC) were 11.2 Bq m(-3) and 0.4 Bq m(-3), respectively. The correlation analyses showed weak relation only between C-Rn and C-Tn as well as between C-Tn and EETC. The influence of the school geographical locations and factors linked to buildings characteristic in relation to measured concentrations were tested. The geographical location and floor level significantly influence C-Rn while C-Tn depend only from building materials (ANOVA, p LT = 0.05). The obtained geometric mean values of the equilibrium factors were 0.123 for radon and 0.008 for thoron. (C) 2015 Elsevier Ltd. All rights reserved.",
journal = "Journal of Environmental Radioactivity",
title = "Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska",
volume = "148",
pages = "163-169",
doi = "10.1016/j.jenvrad.2015.06.026"
}
Ćurguz, Z., Stojanovska, Z. A., Žunić, Z. S., Kolarž, P. M., Ischikawa, T., Omori, Y., Mishra, R., Sapra, B. K., Vaupotič, J., Ujić, P.,& Bossew, P.. (2015). Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska. in Journal of Environmental Radioactivity, 148, 163-169.
https://doi.org/10.1016/j.jenvrad.2015.06.026
Ćurguz Z, Stojanovska ZA, Žunić ZS, Kolarž PM, Ischikawa T, Omori Y, Mishra R, Sapra BK, Vaupotič J, Ujić P, Bossew P. Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska. in Journal of Environmental Radioactivity. 2015;148:163-169.
doi:10.1016/j.jenvrad.2015.06.026 .
Ćurguz, Zoran, Stojanovska, Zdenka A., Žunić, Zora S., Kolarž, Predrag M., Ischikawa, T., Omori, Y., Mishra, R., Sapra, B. K., Vaupotič, Janja, Ujić, Predrag, Bossew, Peter, "Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska" in Journal of Environmental Radioactivity, 148 (2015):163-169,
https://doi.org/10.1016/j.jenvrad.2015.06.026 . .
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An evaluation of thoron (and radon) equilibrium factor close to walls based on long-term measurements in dwellings

Mishra, R.; Žunić, Zora S.; Venoso, G.; Bochicchio, F.; Stojanovska, Zdenka A.; Carpentieri, C.; Prajith, R.; Sapra, B. K.; Mayya, Y. S.; Ishikawa, Tetsuo; Omori, Y.; Veselinović, Nenad; Tollefsen, T.; Ujić, Predrag; Bossew, Peter

(2014)

TY  - JOUR
AU  - Mishra, R.
AU  - Žunić, Zora S.
AU  - Venoso, G.
AU  - Bochicchio, F.
AU  - Stojanovska, Zdenka A.
AU  - Carpentieri, C.
AU  - Prajith, R.
AU  - Sapra, B. K.
AU  - Mayya, Y. S.
AU  - Ishikawa, Tetsuo
AU  - Omori, Y.
AU  - Veselinović, Nenad
AU  - Tollefsen, T.
AU  - Ujić, Predrag
AU  - Bossew, Peter
PY  - 2014
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/6096
AB  - Thoron gas and its progeny behave quite differently in room environments, owing to the difference in their half-lives; therefore, it is important to measure simultaneously gas and progeny concentrations to estimate the time-integrated equilibrium factor. Furthermore, thoron concentration strongly depends on the distance from the source, i.e. generally walls in indoor environments. In the present work, therefore, the measurements of both thoron and radon gas and their progeny concentrations were consistently carried out close to the walls, in 43 dwellings located in the Sokobanja municipality, Serbia. Three different types of instruments have been used in the present survey to measure the time-integrated thoron and radon gas and their progeny concentrations simultaneously. The equilibrium factor for thoron measured close to the wall, F-Tn(W), ranged from 0.001 to 0.077 with a geometric mean (GM) [geometric standard deviation (GSD)] of 0.006 (2.2), whereas the equilibrium factor for radon, F-Rn,F- ranged from 0.06 to 0.95 with a GM (GSD) of 0.23 (2.0).
T2  - Radiation Protection Dosimetry
T1  - An evaluation of thoron (and radon) equilibrium factor close to walls based on long-term measurements in dwellings
VL  - 160
IS  - 1-3
SP  - 164
EP  - 168
DO  - 10.1093/rpd/ncu083
ER  - 
@article{
author = "Mishra, R. and Žunić, Zora S. and Venoso, G. and Bochicchio, F. and Stojanovska, Zdenka A. and Carpentieri, C. and Prajith, R. and Sapra, B. K. and Mayya, Y. S. and Ishikawa, Tetsuo and Omori, Y. and Veselinović, Nenad and Tollefsen, T. and Ujić, Predrag and Bossew, Peter",
year = "2014",
abstract = "Thoron gas and its progeny behave quite differently in room environments, owing to the difference in their half-lives; therefore, it is important to measure simultaneously gas and progeny concentrations to estimate the time-integrated equilibrium factor. Furthermore, thoron concentration strongly depends on the distance from the source, i.e. generally walls in indoor environments. In the present work, therefore, the measurements of both thoron and radon gas and their progeny concentrations were consistently carried out close to the walls, in 43 dwellings located in the Sokobanja municipality, Serbia. Three different types of instruments have been used in the present survey to measure the time-integrated thoron and radon gas and their progeny concentrations simultaneously. The equilibrium factor for thoron measured close to the wall, F-Tn(W), ranged from 0.001 to 0.077 with a geometric mean (GM) [geometric standard deviation (GSD)] of 0.006 (2.2), whereas the equilibrium factor for radon, F-Rn,F- ranged from 0.06 to 0.95 with a GM (GSD) of 0.23 (2.0).",
journal = "Radiation Protection Dosimetry",
title = "An evaluation of thoron (and radon) equilibrium factor close to walls based on long-term measurements in dwellings",
volume = "160",
number = "1-3",
pages = "164-168",
doi = "10.1093/rpd/ncu083"
}
Mishra, R., Žunić, Z. S., Venoso, G., Bochicchio, F., Stojanovska, Z. A., Carpentieri, C., Prajith, R., Sapra, B. K., Mayya, Y. S., Ishikawa, T., Omori, Y., Veselinović, N., Tollefsen, T., Ujić, P.,& Bossew, P.. (2014). An evaluation of thoron (and radon) equilibrium factor close to walls based on long-term measurements in dwellings. in Radiation Protection Dosimetry, 160(1-3), 164-168.
https://doi.org/10.1093/rpd/ncu083
Mishra R, Žunić ZS, Venoso G, Bochicchio F, Stojanovska ZA, Carpentieri C, Prajith R, Sapra BK, Mayya YS, Ishikawa T, Omori Y, Veselinović N, Tollefsen T, Ujić P, Bossew P. An evaluation of thoron (and radon) equilibrium factor close to walls based on long-term measurements in dwellings. in Radiation Protection Dosimetry. 2014;160(1-3):164-168.
doi:10.1093/rpd/ncu083 .
Mishra, R., Žunić, Zora S., Venoso, G., Bochicchio, F., Stojanovska, Zdenka A., Carpentieri, C., Prajith, R., Sapra, B. K., Mayya, Y. S., Ishikawa, Tetsuo, Omori, Y., Veselinović, Nenad, Tollefsen, T., Ujić, Predrag, Bossew, Peter, "An evaluation of thoron (and radon) equilibrium factor close to walls based on long-term measurements in dwellings" in Radiation Protection Dosimetry, 160, no. 1-3 (2014):164-168,
https://doi.org/10.1093/rpd/ncu083 . .
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Field Experience on Indoor Radon, Thoron and Their Progenies with Solid-State Detectors in a Survey of Kosovo and Metohija (Balkan Region)

Gulan, L.; Milic, G.; Bossew, Peter; Omori, Y.; Ishikawa, Tetsuo; Mishra, R.; Mayya, Y. S.; Stojanovska, Zdenka A.; Nikezić, Dragoslav; Vučković, Biljana; Žunić, Zora S.

(2012)

TY  - JOUR
AU  - Gulan, L.
AU  - Milic, G.
AU  - Bossew, Peter
AU  - Omori, Y.
AU  - Ishikawa, Tetsuo
AU  - Mishra, R.
AU  - Mayya, Y. S.
AU  - Stojanovska, Zdenka A.
AU  - Nikezić, Dragoslav
AU  - Vučković, Biljana
AU  - Žunić, Zora S.
PY  - 2012
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/6987
AB  - Since 1996/97, indoor radon has been measured in scattered locations around Kosovo. In the most recent campaign, apart from radon, thoron and Rn and Tn progenies have also been measured. The current survey involves 48 houses, in which different detectors have been deployed side-by-side in one room, in order to measure indoor radon and thoron gas with RADUET devices based on CR-39 detectors (analysed by Japanese collaborators) and with direct thoron and radon progeny sensor (DTPS and DRPS) devices based on LR-115 detectors (analysed by collaborators from India). Estimated arithmetic mean values of concentrations in 48 houses are 122 Bq m(-3) for radon and 136 Bq m(-3) for thoron. Those for equilibrium equivalent radon concentration and equilibrium equivalent thoron concentration based on measurements in 48 houses are 40 and 2.1 Bq m(-3), respectively. The arithmetic mean value of the equilibrium factor is estimated to be 0.50 +/- 0.23 for radon and 0.037 +/- 0.041 for thoron. The preliminary results of these measurements are reported, particularly regarding DTPS and DRPS being set up in real field conditions for the first time in the Balkan region. The results are to be understood under the caveat of open questions related to measurement protocols which yield reproducible and representative results, and to quality assurance of Tn and Rn/Tn progeny measurements in general, some of which are discussed.
T2  - Radiation Protection Dosimetry
T1  - Field Experience on Indoor Radon, Thoron and Their Progenies with Solid-State Detectors in a Survey of Kosovo and Metohija (Balkan Region)
VL  - 152
IS  - 1-3
SP  - 189
EP  - 197
DO  - 10.1093/rpd/ncs221
ER  - 
@article{
author = "Gulan, L. and Milic, G. and Bossew, Peter and Omori, Y. and Ishikawa, Tetsuo and Mishra, R. and Mayya, Y. S. and Stojanovska, Zdenka A. and Nikezić, Dragoslav and Vučković, Biljana and Žunić, Zora S.",
year = "2012",
abstract = "Since 1996/97, indoor radon has been measured in scattered locations around Kosovo. In the most recent campaign, apart from radon, thoron and Rn and Tn progenies have also been measured. The current survey involves 48 houses, in which different detectors have been deployed side-by-side in one room, in order to measure indoor radon and thoron gas with RADUET devices based on CR-39 detectors (analysed by Japanese collaborators) and with direct thoron and radon progeny sensor (DTPS and DRPS) devices based on LR-115 detectors (analysed by collaborators from India). Estimated arithmetic mean values of concentrations in 48 houses are 122 Bq m(-3) for radon and 136 Bq m(-3) for thoron. Those for equilibrium equivalent radon concentration and equilibrium equivalent thoron concentration based on measurements in 48 houses are 40 and 2.1 Bq m(-3), respectively. The arithmetic mean value of the equilibrium factor is estimated to be 0.50 +/- 0.23 for radon and 0.037 +/- 0.041 for thoron. The preliminary results of these measurements are reported, particularly regarding DTPS and DRPS being set up in real field conditions for the first time in the Balkan region. The results are to be understood under the caveat of open questions related to measurement protocols which yield reproducible and representative results, and to quality assurance of Tn and Rn/Tn progeny measurements in general, some of which are discussed.",
journal = "Radiation Protection Dosimetry",
title = "Field Experience on Indoor Radon, Thoron and Their Progenies with Solid-State Detectors in a Survey of Kosovo and Metohija (Balkan Region)",
volume = "152",
number = "1-3",
pages = "189-197",
doi = "10.1093/rpd/ncs221"
}
Gulan, L., Milic, G., Bossew, P., Omori, Y., Ishikawa, T., Mishra, R., Mayya, Y. S., Stojanovska, Z. A., Nikezić, D., Vučković, B.,& Žunić, Z. S.. (2012). Field Experience on Indoor Radon, Thoron and Their Progenies with Solid-State Detectors in a Survey of Kosovo and Metohija (Balkan Region). in Radiation Protection Dosimetry, 152(1-3), 189-197.
https://doi.org/10.1093/rpd/ncs221
Gulan L, Milic G, Bossew P, Omori Y, Ishikawa T, Mishra R, Mayya YS, Stojanovska ZA, Nikezić D, Vučković B, Žunić ZS. Field Experience on Indoor Radon, Thoron and Their Progenies with Solid-State Detectors in a Survey of Kosovo and Metohija (Balkan Region). in Radiation Protection Dosimetry. 2012;152(1-3):189-197.
doi:10.1093/rpd/ncs221 .
Gulan, L., Milic, G., Bossew, Peter, Omori, Y., Ishikawa, Tetsuo, Mishra, R., Mayya, Y. S., Stojanovska, Zdenka A., Nikezić, Dragoslav, Vučković, Biljana, Žunić, Zora S., "Field Experience on Indoor Radon, Thoron and Their Progenies with Solid-State Detectors in a Survey of Kosovo and Metohija (Balkan Region)" in Radiation Protection Dosimetry, 152, no. 1-3 (2012):189-197,
https://doi.org/10.1093/rpd/ncs221 . .
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