Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Jovalekić, Čedomir"'
Autor:
Zdujić, Miodrag, Lukić, Ivana, Kesić, Željka, Janković-Častvan, Ivona, Marković, Smilja, Jovalekić, Čedomir, Skala, Dejan
Publikováno v:
In Advanced Powder Technology June 2019 30(6):1141-1150
Autor:
Lazarević Zorica Ž., Jovalekić Čedomir, Gilić Martina, Ivanovski Valentin, Umićević Ana, Sekulić Dalibor, Romčević Nebojša Ž.
Publikováno v:
Science of Sintering, Vol 49, Iss 3, Pp 277-284 (2017)
Yttrium orthoferrite (YFeO3) powder was prepared by a mechanochemical synthesis from a mixture of Y2O3 and α-Fe2O3 powders in a planetary ball mill for 2.5 h. The obtained YFeO3 powder sample was characterized by X-ray diffraction (XRD), Raman an
Externí odkaz:
https://doaj.org/article/38d20ba62ecb407eb27a52c9aba1901f
Autor:
Sekulić Dalibor L., Lazarević Zorica Z., Jovalekić Čedomir D., Milutinović Aleksandra N., Romčević Nebojša Z.
Publikováno v:
Science of Sintering, Vol 48, Iss 1, Pp 17-28 (2016)
Two ferrite ceramic materials, MgFe2O4 and MnFe2O4, were successfully fabricated by a conventional sintering of nanosized powders (at 1373 K for 2 h) synthesized by soft mechanochemical route. The particle size and morphology of powders were studi
Externí odkaz:
https://doaj.org/article/606a97ee90a64e87ae7e694c03734720
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 21, Iss 1-1, Pp 1-12 (2015)
The goal of this study was to prepare CaO.ZnO catalyst which contain small amount of K2CO3 and analyze its activity for biodiesel synthesis. Catalyst was prepared using the following procedure: CaO and ZnO (molar ratio of 1:2), water and K2CO3 (in
Externí odkaz:
https://doaj.org/article/6be80af35b4941c7853b2d1f12325dbb
Autor:
Lazarević, Zorica Ž., Jovalekić, Čedomir, Ivanovski, Valentin N., Rečnik, Aleksander, Milutinović, Aleksandra, Cekić, Božidar, Romčević, Nebojša Ž.
Publikováno v:
In Journal of Physics and Chemistry of Solids July 2014 75(7):869-877
Autor:
Vucinic-Vasic, Milica, Boskovic, Marko, Antic, Aleksandar, Stojanovic, Goran, Radovanovic, Milan, Fabian, Martin, Jovalekic, Cedomir, Pavlovic, Miodrag B., Antic, Bratislav
Publikováno v:
In Ceramics International April 2014 40(3):4521-4527
Autor:
Lazarević, Zorica Ž., Jovalekić, Čedomir, Sekulić, Dalibor L., Milutinović, Aleksandra, Baloš, Sebastian, Slankamenac, Miloš, Romčević, Nebojša Ž.
Publikováno v:
In Materials Research Bulletin October 2013 48(10):4368-4378
Publikováno v:
Journal of the Serbian Chemical Society, Vol 77, Iss 4, Pp 497-505 (2012)
The interest in finding new methods for preparation of nickel ferrite (NiFe2O4) and nickel-zinc ferrite (NixZn1-xFe2O4) powders has recently increased, due to the fact that physical and chemical properties of these soft magnetic materials depend stro
Externí odkaz:
https://doaj.org/article/c3794f5e09184aecab537a4212240441
Publikováno v:
Journal of the Serbian Chemical Society, Vol 77, Iss 8, Pp 1091-1096 (2012)
Powder mixtures of α-Bi2O3 containing 2, 5 and 10 mole % of TiO2, ZrO2 or HfO2 were homogenized, heated at 820ºC for 24 h and quenched in air. X-ray powder diffraction technique was used to characterize the prepared samples. In all cases metastable
Externí odkaz:
https://doaj.org/article/75f8d186f0f84ff5a78739d63aaf689f
Autor:
Barudžija Tanja, Gusev Alexey A., Jugović Dragana, Dramićanin Miroslav, Zdujić Miodrag, Jovalekić Čedomir, Mitrić Miodrag
Publikováno v:
Hemijska Industrija, Vol 66, Iss 2, Pp 181-186 (2012)
Nano-sized titanium monoxide (TiO) powder was prepared by mechanochemical synthesis. A mixture of commercial Ti and TiO2 (rutile) powders with the molar ratio of 1:1 was milled in a planetary ball mill for 5, 10, 20, 30 and 60 min under argon atmosph
Externí odkaz:
https://doaj.org/article/88483c83bad24368917f2005c8acb2e2