Претраживање
Приказ резултата 31-40 од 266
The influence of environmental conditions on Carum carvi L. var. annum seed quality / Uticaj ekoloških faktora na kvalitet semena Carum carvi L. var. annum
(Institute of field and vegetable crops, Novi Sad, 2015)
Field experiments were carried out during two growing seasons with annual caraway, at three localities, in order to determine the effect of different environmental conditions on the quality of seed as reproductive material. ...
Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System
(Wiley-V C H Verlag Gmbh, Weinheim, 2015)
Five pentacoordinate copper(II) complexes with 2-acetylpyridine or di(2-pyridyl) ketone 1-adamantoyl hydrazone ligands (Adpy and Addpy, respectively) of the formulae [CuCl2(Adpy)] (1), [Cu-2(-Cl)(2)(Adpy-H)(2)] (2), ...
Oxygen reduction reaction on palladium-modified zeolite 13X
(Springer, New York, 2015)
Palladium was dispersed over zeolite NaX by procedure of impregnation/thermal degradation of palladium acetylacetonate salt. Samples characterization was performed by X-ray diffraction, SEM analysis, and chemical analysis. ...
Electronic properties of environmental pollutants and their mutagenic activity: Nitro derivatives of azaphenanthrenes
(Oxford : Pergamon-Elsevier Science Ltd, 2015)
The physico-chemical properties of nitroazaphenanthrene isomers: 4-nitro-9-azaphenanthrene (4-N-9-Aph), 5-nitro-9-azaphenanthrene (5-N-9-Aph), 6-nitro-4-azaphenanthrene (6-N-4-Aph), 8-nitro-1-azaphenanthrene (8-N-1-Aph), ...
Synthesis of endoperoxides by domino reactions of ketones and molecular oxygen
(Royal Soc Chemistry, Cambridge, 2015)
Domino reactions of ketones with molecular oxygen in the presence of potassium hydroxide and potassium t-butoxide afford cyclic hydroperoxy acetals (3,5-dihydroxy-1,2-dioxanes). Mixed endoperoxides can also be obtained in ...
Kvalitet reke Ibar od Biljanovca do Kraljeva / Quality of the river Ibar from Biljanovac to Kraljevo
(Srbija : Savez inženjera i tehničara Srbije, 2015)
Voda reke Ibar se koristi za vodosnabdevanje kao i za potrebe stanovništva mnogih mesta, stoga je praćenje kvaliteta vode reke Ibar od primarnog značaja za utvrđivanje kontaminiranosti vodenog ekosistema i zaštite čovekovog ...
Process modelling and analysis of plasma electrolytic oxidation of titanium for TiO2/WO3 thin film photocatalysts by response surface methodology
(Elsevier, 2015)
Plasma electrolytic oxidation of titanium in 12-tungstosilicic acid solution was investigated as a model reaction. The influence of the process parameters (concentration of 12-tungstosilicic acid solution, current density, ...
An Assessment of the Chemical Characteristics of Early Diagenetic Processes in a Geologically Well-defined Brown Coal Basin
(Taylor & Francis Inc, Philadelphia, 2015)
The characteristics of early diagenetic processes, which influenced the composition of the organic matter of coals from the Krepoljin coal basin, Serbia, Miocene age was assessed by statistical correlation analysis and ...
Electrocatalysis of hydrogen evolution on polycrystalline palladium by rhodium nanoislands in alkaline solution
(Elsevier, 2015)
Hydrogen evolution reaction (HER) was investigated on bimetallic Rh/Pd(poly) electrodes in alkaline solution. Bimetallic electrodes were obtained by a spontaneous deposition of rhodium on polycrystalline Pd. Characterization ...
Chemical and electrochemical dissolution of chromium at room and elevated temperatures / Hemijsko i elektrohemijsko rastvaranje hroma na sobnoj i na povišenim temperaturama
(Institut za rudarstvo i metalurgiju Bor, 2015)
The influence of temperature on electrochemical and chemical dissolution of chromium was studied in the acidic sulphuric solutions. The hydrogen evolution reaction, as well as the anodic dissolution and chemical dissolution ...