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Prikaz rezultata 31-40 od 69
Alkylation of N-substituted 2-phenylacetamides: Benzylation of N-(4-nitrophenyl)-2-phenylacetamide / Alkilovanje N-supstituisanih 2-fenilacetamida - benzilovanje N-(4-nitrofenil)-2-fenilacetamida
(Serbian Chemical Society, Belgrade, 2002)
N-(4-Nitrophenyl)-2-phenylacetamide was alkylated with benzyl chloride in the presence of powdered potassium hydroxide at different temperatures and in various solvents in order to establish the reactivity and orientation ...
Glass-ceramic enamels derived from the Li2O-Na2O-Al2O3-TiO2-SiO2 system / Staklo-keramički emajli izvedeni iz sistema Li2O-Na2O-Al2O3-TiO2-SiO2
(Serbian Chemical Society, Belgrade, 2002)
The results of research on the conditions for obtaining model glass-ceramic enamels, derived from the basic Li2O-Na2O-Al2O3-TiO2-SiO2 system, by varying the initial composition and thermal treatment conditions, are presented ...
Influence of heat input on HAZ hardness distribution after surfacing two Q+T steels / Uticaj pogonske energije zavarivanja na raspodelu tvrdoće u ZUT pri navarivanju čelika za poboljšanje
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2002)
The aim of this work was to determine the influence of welding heat input on hardness distribution after SURFACING of two quench+temper steels. The results indicate that variation of heat input can partially provide required ...
Excess molar volume of the acetonitrile + alcohol systems at 298.15K. Part I: Density measurements for acetonitrile + methanol, + ethanol systems / Dopunska molarna zapremina sistema acetonitril + alkohol na 298.15K. I deo. Merenje gustina sistema acetonitril + metanol, + etanol
(Serbian Chemical Society, Belgrade, 2002)
The excess molar volume VE of the binary liquid systems acetonitrile methanol and acetonitrile + ethanol has been evaluated from density measurements at 298.15K and at atmospheric pressure over the entire composition range. ...
The reactivity of α,β-unsaturated carboxylic acids. Part XVI. The kinetics of the reaction of cycloalkenecarboxylic and cycloalkenylacetic acids with diazodiphenylmethane in various alcohols / Reaktivnost α,β-nezasićenih kiselina. Deo XVI. Kinetika reakcije cikloalkenilkarbonskih i cikloalkenilsirćetnih kiselina sa diazodifenilmetanom u različitim alkoholima
(Serbian Chemical Society, Belgrade, 2002)
The rate constants for the reaction of diazodiphenylmethane with 1-cyclopentenecarboxylic, 1-cycloheptenecarboxylic, cyclopent-1-enylacetic and cyclohept-1-enylacetic acids were determined in eight alcohols at 30 ºC using ...
Investigation of the anodic behaviour of mild steel in different solutions as a base for the selection of suitable electrolyte for the synthesis of electro conducting polymer films / Ispitivanje anodnog ponašanja mekog čelika u različitim rastvorima u cilju izbora elektrolita za elektrohemijsku sintezu filmova elektroprovodnih polimera
(Engineering Society for Corrosion, Belgrade, Serbia, 2002)
In this paper the anodic behavior of mild steel in the different solutions of the organic and the inorganic electrolytes, with the aim to select the electrolyte for the electrochemical synthesis of electro conducting polymer ...
Izrada džins pantalona / The production of jeans
(Savez inženjera i tehničara tekstilaca Srbije, 2002)
Džins pantalone su i danas veoma važan odevni predmet koji se izrađuje u velikim serijama. U radu je dat plan operacija i specifikacija potrebnih mašina za izradu 500 i 1200 klasičnih džins pantalona u jednoj radnoj smeni.
Thermal analysis in stability examinations of loratadin pellets / Termijske metode u ispitivanju stabilnosti loratadin tableta
(Pharmaceutical Association of Serbia, Belgrade, Serbia, 2002)
Electrochemical deposition and characterization of zinc-nickel alloys deposited by direct and pulse current / Elektrohemijsko taloženje i karakterizacija legura cink-nikal dobijenih konstantnom i pulsirajućom strujom
(Serbian Chemical Society, Belgrade, 2002)
Chemical composition and phase structure of Zn-Ni alloys obtained by electrochemical deposition under various conditions were investigated. The alloys were deposited on a rotating disc electrode and steel panel from chloride ...
TPD-MS study of glassy carbon surfaces oxidized by CO2 and O2 / Maseno spektrometrijsko ispitivanje stabilnosti površine staklastog karbona oksidovanog ugljen-dioksidom ili kiseonikom
(Serbian Chemical Society, Belgrade, 2002)
The temperature-programmed desorption (TPD) method combined with mass spectrometric (MS) analysis has been applied to investigate the surface properties of carbon materials. The apparatus consisting of a temperature-programmed ...