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Приказ резултата 1161-1170 од 1182
The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons
(Electrocatalysis, 2015)
In order to elucidate the role of B, N, and P dopants in carbon materials on the kinetics of oxygen reduction reaction (ORR) and to provide a fair comparison of the effects of each dopant, a series of ordered mesoporous ...
Characterization of a low cost Lagenaria vulgaris based carbon for ranitidine removal from aqueous solutions
(Arabian Journal of Chemistry, 2017)
Practical aspects of Lagenaria vulgaris shell conversion to activated carbon were examined along with its use in ranitidine adsorption. Kinetics and isotherms of adsorption onto Lagenaria vulgaris carbon (LVC) were correlated ...
The acid-base, morphological and structural properties of new biosorbent obtained by oxidative hydrothermal treatment of peat
(Springer, 2016)
Samples of natural peat (NP) were hydrothermally treated at different temperatures in oxidative and acidic aqueous medium to tailor their acid-base, adsorption, morphological and other properties. The obtained materials ...
Photon energy up-conversion in colloidal TiO2 nanorods
(Optical Materials, 2008)
Nonaqueous reaction between titanium(IV) chloride and benzyl alcohol was used for the synthesis of highly crystalline TiO2 nanorods. The X-ray diffraction measurements proved the exclusive presence of the anatase phase. ...
Luminescence temperature sensing in visible and NIR spectral range using Dy3+ and Nd3+ doped YNbO4
(Sensors and Actuators A: Physical, 2018)
Dy3+-and Nd3+-doped YNbO4 powders were prepared using a mechanochemical method followed by annealing, and their photoluminescent properties were examined to assess the possibility of their use in phosphor thermometry. ...
Nanosilica and wood flour-modified urea-formaldehyde composites
(Journal of Thermoplastic Composite Materials, 2016)
In this study, the thermal behavior of modified urea-formaldehyde (UF) resin with nanosilica (nano-SiO2), wood flour (WF), and their mixture of SiO2/WF was investigated. Five modified UF hybrid composite materials with 0.8 ...
Europium(III)-doped A(2)Hf(2)O(7) (A = Y, Gd, Lu) nanoparticles: Influence of annealing temperature, europium(III) concentration and host cation on the luminescent properties
(Optical Materials, 2016)
The detailed analyses of structure and luminescence of europium(III)-doped A(2)Hf(2)O(7) (A = Y, Gd, Lu) nanoparticles is presented. Samples were prepared by time and cost effective combustion method that utilize polyethylene ...
Determination of Microstructural Changes By Severely Plastically Deformed Copper-Aluminum Alloy: Optical Study
(Journal of mining and metallurgy, Section B: Metallurgy, 2014)
Our work deals with the problem of producing a complex metal-ceramic composite using the processes of internal oxidation (IO) and severe plastic deformation. For this purpose, Cu-Al alloy with 0.4wt.% of Al was used. IO ...
Classification of Intact Cereal Flours by Front-Face Synchronous Fluorescence Spectroscopy
(Food Analytical Methods, 2012)
Synchronous fluorescence spectroscopy, a technique that measures both the absorption and the emission properties of a sample in a single measurement, was used for the analysis and classification of intact cereal flours ...
(Y0.5Lu0.5)(2)O-3:Eu3+ nanopowders: Combustion synthesis, structure and optical properties
(Radiation Measurements, 2010)
In this work we explored the possibility of obtaining nanocrystalline (Y0.5Lu0.5)(2)O-3 powders, doped with europium and co-doped with praseodium, employing polymer complex solution synthesis. Polyethylene glycol, with ...