Претраживање
Приказ резултата 451-460 од 474
Characterization and carbon monoxide oxidation activity of La1-ySryCr1-xRuxO3 perovskites / Katalitička svojstva La1-ySryCr1-xRuxO3 perovskita u oksidaciji ugljenmonoksida
(Serbian Chemical Society, 2000)
The oxidation of CO over La1-ySryCr1-xRuxO3 perovskite type oxides with y=0.3 and 0 £x £0.100 have been studied. X-ray fluorescence analysis confirmed that content of elements in the bulk corresponds to the established ...
The structure of bright zinc coatings / Struktura sjajnih prevlaka cinka
(Serbian Chemical Society, 2000)
The structures of bright zinc coatings obtained from acid sulfate solutions in the presenceof dextrin/salicylaldehyde mixture were examined. It was shown by the STM technique that the surfaces of bright zinc coatings are ...
Kristalohemijska ispitivanja sfalerita iz polimetaličnog Pb - Zn rudnog ležišta Kiževak / Crystallochemicaly investigations of the sphalerites from the polymetallic Pb-Zn ore deposit Kiževak
(Geoinstitut, 2005)
With the X-ray, chemical and spectrochemical method there were investigated monomineral concentrations of the brown and yellow sphalerite varietys from the polymetallic Pb-Zn ore deposit Kiževak from the different horizons ...
Matrična polimerizacija metakrilamida u prisustvu poli(itakonske) kiseline / Template polymerization of methacrylamide in the presence of poly(itaconic) acid
(Belgrade : Serbian Chemical Society, 2001)
Proučavana je matrična polimerizacija metakrilamida u prisustvu poli(itakonske kiseline) radikalnom polimerizacijom u vodi na 40degC, u prisustvu amonijum-persulfata kao inicijatora.
Svojstva hiperrazgranatih polimera u rastvoru / Solution properties of hyperbranched polymers
(Belgrade : Serbian Chemical Society, 2001)
Cilj ovog rada je proučavanje interakcija hiperrazgranatih polimera sa rastvaračem i ispitivana su njihova svojstva u rastvoru.
Reološka svojstva hiperrazgranatih poliestara / Rheological properties of hyperbranched polyesters
(Belgrade : Serbian Chemical Society, 2006)
U okviru ovog rada prikazani su rezultati dobijeni izučavanjem reoloških svojstava hiperrazgranatih alifatskih poliestara.
Mineraloško-kristalografske karakteristike distensko-korundske sirovine iz ležišta Bobološ na različitim temperaturama / Mineralogicaly-crystallographical characteristics of the kyanite-corundum mineral raw material from the ore deposit Bobološ at different temperatures
(Geoinstitut, 2004)
Powder diffraction patterns were indiced and there were determined qualitative, semiquantitative compositions of the mineral raw material, “baked” mineral raw material and brick. There were established changes of the mineral ...
Mg-kalcit i dolomit iz belog mermera ležišta Krečana - Venčac, deo I: rendgenska ispitivanja / Mg-calcite and dolomite from the white marble Krečana-Venčac ore deposit, Part I: X-ray investigations
(Geoinstitut, 2005)
With the X-ray powder diffraction analysis there were indiced powder diffraction patterns and determined qualitative, semiquantitative sample contents.
Sample-1 contain Mg-calcite (1) (95%), dolomite (4%) and quartz ...
New occurrence of gypsum in Belgrade city (Serbia)
(Българско геологическо дружество, 2006)
During geological prospecting of the Belgrade city center in 2006 a new occurrence of gypsum was found in one borehole. Gypsum is rarely occurred mineral in Serbia, therefore every new occurrence of this mineral is of ...
Rendgenska ispitivanja opekarsko-keramičkih glina iz ležišta "srednja strana"-Novi Bečej / X-ray investigations of the brick-ceramic clays from the ore deposit ''Srednja strana''–Novi Bečej
(Geoinstitut, 2004)
With the X-ray method there were investigated numerous samples from the layers of the ceramic, brick and substratum clays, and also collective composites from the ore deposit “Srednja strana” – Novi Bečej, which were ...