Претраживање
Приказ резултата 21-30 од 87
The substituent effects on the 13C chemical shifts of the azomethine carbon atom of N-(substituted phenyl)salicylaldimines / Efekat supstituenata na 13C hemijska pomeranja azometinskog ugljenika N-(supstituisani fenil)saliciladimina
(Serbian Chemical Society, Belgrade, 2012)
Hammett correlations between the 13C-NMR chemical shifts of the azomethine carbon atom and the corresponding substituent constants were established for thirteen Schiff bases. The successful correlation of the chemical ...
Catalysis of Hydrogen Evolution on Au(111) Modified by Spontaneously Deposited Pd Nanoislands
(Springer, New York, 2012)
Hydrogen evolution reaction was studied on Au(111) modified by palladium spontaneously deposited on the Au(111) surface from (1 mM PdSO4 center dot 2 H2O + 0.5 M H2SO4) solution at a submonolayer coverage. Number and size ...
Electrochemical Characterization of Oxaprozin on Bare Gold Electrode and Electrode Modified with Bovine Serum Albumin
(Electrochemical Science Group, Beograd, 2012)
As the very first electrochemical investigation of oxaprozin, nonsteroidal anti-inflammatory drug, using cyclic voltammetry on gold electrode in 0.05 mol dm(-3) NaHCO3, the synthesized drug, its analytical standard and its ...
The mechanism and kinetics of the tungsten (vi)-oxide reduction in the vertical tube reactor
(Editura Stiintifica Fmr, Bucharest, 2012)
Presented study shows the analysis of the process of reduction of WO 3 powder with hydrogen in the vertical tube reactor, representing a new approach in comparison to the conventional methods in the horizontal tube reactor. ...
One-bath dyeing of polyester/cotton blend with reactive dye after alkali and chitosan treatment
(Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, Bucuresti, 2012)
The effect of alkali and chitosan treatment on reactive dyeing characteristics of polyester/cotton blend is studied in this work. Various methods for characterization of physical and chemical changes in the surface layer ...
Mica based coating for application in lost foam casting process
(Editura Stiintifica Fmr, Bucharest, 2012)
This paper presents the results of mechanical activation of filler based on mica and the influence on the quality of foundry coatings. The coating was applied for lining of evaporable model in Lost foam casting process. ...
The study of Zn-Co alloy coatings electrochemically deposited by pulse current / Ispitivanje prevlaka Zn-Co legura dobijenih pulsirajućom strujom
(Association of Chemical Engineers of Serbia, 2012)
The electrochemical deposition by pulse current of Zn-Co alloy coatings on steel was examined, with the aim to find out whether pulse plating could produce alloys that could offer a better corrosion protection. The influence ...
SiC synthesis using natural Mg-silicates
(International Institute for the Science of Sintering, Beograd, 2012)
The silicon carbide powders are prepared by carbothermal reduction of domestic mineral resources (white and brown sepiolite), at relatively low temperatures (1200 - 1600oC). Carbothermal reduction process is greatly ...
Chemometric characterization of the hydrogen bonding complexes of secondary amides and aromatic hydrocarbons / Hemometrijska karakterizacija vodonično-vezanih kompleksa sekundarnih amida i aromatičnih ugljovodonika
(Association of Chemical Engineers of Serbia, 2012)
This paper reports the results of the study of hydrogen bonding complexes between secondary amides and various aromatic hydrocarbons. The possibility of using chemometric methods was investigated in order to characterize ...
Comparative analysis of the potential probiotic abilities of lactobacilli of human origin and from fermented vegetables
(University of Belgrade, University of Novi Sad, 2012)
In this study, twelve strains of Lactobacillus plantarum derived from spontaneously fermented vegetables (carrots and beetroot) and traditionally prepared sauerkraut were compared for their potential probiotic abilities ...