Zobrazeno 1 - 10
of 143
pro vyhledávání: '"NIKOLIĆ, JELENA D."'
Autor:
Sarap, Nataša B., Janković, Marija M., Krneta Nikolić, Jelena D., Vukanac, Ivana S., Rajačić, Milica M.
Publikováno v:
In Nuclear Engineering and Design October 2024 427
Autor:
Matijašević Srđan D., Topalović Vladimir S., Savić Veljko V., Labus Nebojša J., Nikolić Jelena D., Zildžović Snežana N., Grujić Snežana R.
Publikováno v:
Science of Sintering, Vol 55, Iss 4, Pp 539-547 (2023)
The crystal growth rate of LiGe2(PO4)3 phase from lithium germanium-phosphate glass was studied. The glass have been homogenized using the previously established temperature-time conditions, which make it possible to remove volatile substances from t
Externí odkaz:
https://doaj.org/article/455d4d8b0a0a4acab7816f16bfbc4201
Autor:
Matijašević Srđan D., Grujić Snežana R., Nikolić Jelena D., Topalović Vladimir S., Savić Veljko V., Zildžović Snežana N., Labus Nebojša J.
Publikováno v:
Science of Sintering, Vol 54, Iss 3, Pp 321-334 (2022)
The nucleation process of lithium germanium-phosphate glass was studied to determine the temperature range of nucleation and the temperature of the maximum nucleation rate. The differential thermal analysis (DTA), and scanning electron microscope
Externí odkaz:
https://doaj.org/article/e5bff087ad544431afbc45c14cd05fec
Autor:
Matijašević Srđan D., Topalović Vladimir S., Grujić Snežana R., Savić Veljko V., Nikolić Jelena D., Labus Nebojša J., Zildžović Snežana N.
Publikováno v:
Science of Sintering, Vol 53, Iss 3, Pp 301-310 (2021)
The selected lithium germanium-phosphate glass was prepared by a conventional melt-quenching technique. The XRD method was employed to confirm the glass was obtained and to reveal crystalline phases during heat treatment. The dilatometry (DIL), di
Externí odkaz:
https://doaj.org/article/75a02a5f93a14388ab3802975a12c647
Autor:
Hadrović Sabahudin H., Čeliković Igor T., Krneta-Nikolić Jelena D., Rajačić Milica M., Todorović Dragana J.
Publikováno v:
Nuclear Technology and Radiation Protection, Vol 36, Iss 2, Pp 192-196 (2021)
The results of the gamma-spectrometric measurements in a 16500 ha large region of south-western Serbia, are presented. Activity concentrations of 40K, 137Cs, and 210Pb in different deciduous and evergreen trees in the region are investigated. For all
Externí odkaz:
https://doaj.org/article/c3dbd9e918d54e15b13759e34793a426
Autor:
Čeliković Igor T., Pantelić Gordana K., Živanović Miloš Z., Vukanac Ivana S., Krneta Nikolić Jelena D., Kandić Aleksandar B., Lončar Boris B.
Publikováno v:
Nukleonika, Vol 65, Iss 2, Pp 111-114 (2020)
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, whi
Externí odkaz:
https://doaj.org/article/2c072bb535c34b7cb66a907cb52866bd
Autor:
Vukanac Ivana S., Janković Marija M., Rajačić Milica M., Todorović Dragana J., Ujić Predrag N., Pantelić Gordana K., Sarap Nataša B., Krneta-Nikolić Jelena D.
Publikováno v:
Nuclear Technology and Radiation Protection, Vol 35, Iss 1, Pp 64-73 (2020)
Various imported building materials commonly used in construction and industry in Serbia were analyzed using gamma spectrometry. Based on the activity concentrations of 226Ra, 232Th, and 40K in the investigated samples, radium equivalent activity,
Externí odkaz:
https://doaj.org/article/c17cbde17e9f4f9e9f0d9e7a2882713a
Autor:
Stojanović Jovica N., Smiljanić Sonja V., Grujić Snežana R., Vulić Predrag J., Matijašević Srđan D., Nikolić Jelena D., Savić Veljko
Publikováno v:
Science of Sintering, Vol 51, Iss 4, Pp 389-399 (2019)
The crystal structure of new lanthanum strontium borate glass-ceramics was refined by the Rietveld method. The results showed that La2SrB10O19 has the monoclinic crystal structure, space group C2 (No. 5) with a = 11.1170(6), b = 6.5667(3), c = 9.2
Externí odkaz:
https://doaj.org/article/7350c0c1e88445caad2ddc938cc359b5
Autor:
Matijašević Srđan D., Grujić Snežana R., Topalović Vladimir S., Nikolić Jelena D., Smiljanić Sonja V., Labus Nebojša J., Savić Veljko V.
Publikováno v:
Science of Sintering, Vol 50, Iss 2, Pp 193-203 (2018)
Crystallization kinetics of 22.5Li2O•10Al2O3•30GeO2•37.5P2O5 (mol%) glass was studied under non-isothermal condition using the differential thermal analysis (DTA). The study was performed by using the first crystallization peak temperature (
Externí odkaz:
https://doaj.org/article/635189d0a4d140ab9ae7f061ec689490
Autor:
Džoljić Jovana A., Stevović Svetlana M., Todorović Dragana J., Polavder Svetlana M., Rajačić Milica M., Krneta-Nikolić Jelena D.
Publikováno v:
Nuclear Technology and Radiation Protection, Vol 32, Iss 4, Pp 334-341 (2017)
The primary aim of this research is the investigation of natural and artificial radioactivity in protected areas of Kopaonik, Vlasina, and Rila Mountains. Soil samples (including lake sediment), drinkable spring water and conifers at mentioned loc
Externí odkaz:
https://doaj.org/article/66d4624e8fd442e6ad0ce9efa7e46ce3