Zobrazeno 1 - 10
of 256
pro vyhledávání: '"Rogan Jelena"'
Autor:
Obradović Nina, Filipović Suzana, Fahrenholtz William G., Marinković Bojan A., Rogan Jelena, Lević Steva, Đorđević Antonije, Pavlović Vladimir B.
Publikováno v:
Science of Sintering, Vol 55, Iss 1, Pp 1-10 (2023)
Magnesium aluminate has the spinel structure along with good mechanical, chemical, and thermal properties. Magnesium aluminate has a wide range of applications including refractory ceramics, optically transparent ceramic windows, and armors. Its l
Externí odkaz:
https://doaj.org/article/a5030a79e9754ebaa4ab81c5f195d699
Autor:
Radovanović Lidija, Zdravković Jelena D., Simović Bojana, Radovanović Željko, Mihajlovski Katarina, Dramićanin Miroslav D., Rogan Jelena
Publikováno v:
Journal of the Serbian Chemical Society, Vol 85, Iss 11, Pp 1475-1488 (2020)
Zinc oxide (ZnO) nanoparticles were obtained by thermal decomposition of one-dimensional zinc–benzenepolycarboxylato complexes as single- -source precursors at 450 °C in an air atmosphere. The mechanism and kinetics of thermal degradation of zinc
Externí odkaz:
https://doaj.org/article/0edd58a879a34d3a888a4bc8c0d51fc2
Autor:
Obradović Nina, Fahrenholtz William G., Filipović Suzana, Corlett Cole, Đorđević Pavle, Rogan Jelena, Vulić Predrag J., Buljak Vladimir, Pavlović Vladimir
Publikováno v:
Science of Sintering, Vol 51, Iss 4, Pp 363-376 (2019)
Single phase MgAl2O4 was made from a one-to-one molar ratio of MgO and Al2O3 powders mixed using ball-milling. Mixtures of MgO and Al2O3 were subsequently treated in planetary ball mill for 30, 60, 90 and 120 minutes in air. The aim of this study
Externí odkaz:
https://doaj.org/article/9f168e8592ec4736b1d0259b51de7dc7
Autor:
Milanović Predrag, Vuksanović Marija M., Mitrić Miodrag, Stojanović Dušica, Kojović Aleksandar, Rogan Jelena, Jančić-Hainemann Radmila
Publikováno v:
Science of Sintering, Vol 50, Iss 1, Pp 77-83 (2018)
It is well known that alumina possesses good mechanical and chemical properties. Nanofibers having α - alumina structure was used as reinforcement for metal, polymer and ceramic matrix composites. In this study, three series of nanofibers were pr
Externí odkaz:
https://doaj.org/article/6ccf9dad803a4a66a97eb22aa9f13081
Autor:
Filipović Suzana, Obradović Nina, Marković Smilja, Đorđević Antonije, Balać Igor, Dapčević Aleksandra, Rogan Jelena, Pavlović Vladimir
Publikováno v:
Science of Sintering, Vol 50, Iss 4, Pp 409-419 (2018)
Corundum (α-alumina) is a suiTab. material for usage in various industry fields owing to its chemical stability, electrical and mechanical features. It is known that properties of ceramics could be modified by addition of different oxides, as wel
Externí odkaz:
https://doaj.org/article/dec4bf7007d3449f9da20bc7aea8a565
Publikováno v:
Journal of the Serbian Chemical Society, Vol 82, Iss 11, Pp 1247-1258 (2017)
A terephthalate-bridged heteronuclear Cu(II)–Mn(II) complex [Cu2Mn(dipya)2(tpht)3]n, I, where dipya is 2,2′-dipyridylamine and tpht is the anion of 1,4-benzenedicarboxylic (terephthalic, H2tpht) acid was synthesized under hydrothermal conditions.
Externí odkaz:
https://doaj.org/article/b775076eb32c4c44ace60ef6a61a4e7b
Publikováno v:
Journal of the Serbian Chemical Society, Vol 80, Iss 4, Pp 529-547 (2015)
Two series of poly(e-caprolactone) nanocomposites with different organo-modified clays (1 to 8 wt%) were prepared by the solution casting method. Organoclays with polar (Cloisite®C30B) and nonpolar (Cloisite®C15A) organic modifier and with diffe
Externí odkaz:
https://doaj.org/article/104b074c3dde433fa55f101f342c29cc
Autor:
Krstajić Mila N., Stevanović Sanja I., Rogan Jelena R., Gojković Snežana Lj., Jovanović Vladislava M.
Publikováno v:
Tehnika, Vol 70, Iss 2, Pp 203-208 (2015)
Pt-based nanocatalysts supported on Vulcan XC-72R carbon, were prepared by water-in-oil microemulsion method, with addition of various amounts of HCl in the water phase. Polyethileneglycoldodecylether (BRIJ 30) was used as a surfactant, which influen
Externí odkaz:
https://doaj.org/article/ba4459d3de8b40bc935d0cab749e5c35
Publikováno v:
Journal of the Serbian Chemical Society, Vol 79, Iss 6, Pp 637-648 (2014)
The title compound, (Hdipya)(H3pyr), where Hdipya is protonated 2,2’-dipyridilamine and H3pyr is monoanion of pyromellytic acid (H4pyr), was obtained from the reaction mixture containing Zn(II) ions, dipya, Na4pyr (the molar ratio 2 : 2 : 1) and
Externí odkaz:
https://doaj.org/article/743638f0f3964be4943dd4348a0925d5
Publikováno v:
Journal of the Serbian Chemical Society, Vol 79, Iss 8, Pp 941-952 (2014)
Four novel polymeric iron(III) complexes with 2,2’-bipyridine (bipy) and different aromatic polycarboxylato ligands as anions of phthalic (pht), isophthalic (ipht), terephthalic (tpht) and pyromellitic (pyr) acid were synthesized by ligand excha
Externí odkaz:
https://doaj.org/article/e38bce306b8446b0afd894ae8add6f2d