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Приказ резултата 61-70 од 3251
Rheokinetic study of crosslinking of α,ω-dihydroxy oligo(alkylene maleate)s with a trisisocyanate / Reokinetičko izučavanje umrežavanja α,ω-dihidroksi oligo(alkilen maleata) triizocijanatima
(Serbian Chemical Society, Belgrade, 2003)
The crosslinking reaction of three series of α,ω-dihydroxy oligo(alkylene maleate)s with a trifunctional isocyanate was followed by dynamic mechanical analysis and FTIR spectroscopy. The evaluation of rheological parameters ...
Synthesis of B6 vitamin / Sinteza vitamina B6
(Association of Chemical Engineers of Serbia, 2009)
The importance of vitamin B6 has been known since its discovery in the 1940's. Chemical tests, elestrometric titration determinations, and absorption spectrum studies showed that this vitamin exists in three major chemical ...
Silver deposition on chemically treated carbon monolith / Izdvajanje srebra na površini hemijski tretiranog karbon monolita
(Association of Chemical Engineers of Serbia, 2009)
Carbon monolith was treated with HNO3, KOH and H2O2. Effects of these treatments on the surface functional groups and on the amount of silver deposited on the CM surface were studied by temperature programmed desorption ...
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. ...
Mass transfer from the wall of a column to the fluid in a fluidized bed of inert spherical particles / Prenos mase zid-fluid u partikulativno fluidizovanim slojevima
(Association of Chemical Engineers of Serbia, 2004)
Mass transfer in fluidized beds is an important operation for separation processes. Two effects can be achieved by using fluidized beds in mass transfer processes increasing interface area and relative movement between the ...
The effect of the particle shape and structure on the flow ability of electrolytic copper powder II: The experimental verification of the model of the representative powder particle / Uticaj oblika i strukture čestica na tečljivost elektrolitičkog bakarnog praha II - eksperimentalna potvrda modela reprezentativne čestice praha
(Serbian Chemical Society, 2003)
An analysis of the effects of the shape, surface structure and size distribution of particles on the flow ability of the copper powder was performed. It is shown that the most important property of the particles of a powder, ...
EI/MS/MS spectra of N-monosubstituted cyanoacetamides / EI/MS/MS spektri N-monosupstituisanih cijanoacetamida
(Association of the Chemical Engineers of Serbia, 2010)
The electron-ionization induced mass spectra of twenty six N-monosubstituted cyanoacetamides were recorded and their fragmentation patterns were studied. The effect of N-alkyl and N-aryl substituents to the fragmentation ...
Characterization of autochthonous Lactobacillus paracasei strains on potential probiotic ability
(Croatian Dairy Union, 2010)
Lactic acid bacteria strains isolated from traditional made cheeses constitute a reservoir of unexplored potential in biotechnology. In this study four autochthonous lactobacilli strains, isolated from traditional white ...
A study of the electrochemical behavior of methomyl on a gold electrode in a neutral electrolyte / Proučavanje elektrohemijskog ponašanja metomila na elektrodi od zlata u neutralnom elektrolitu
(Serbian Chemical Society, Belgrade, 2009)
A gold electrode was used for the qualitative and quantitative electrochemical determination of analytical methomyl in a neutral electrolyte (0.050 M NaHCO3) using cyclic linear sweep voltammetry. In the potential range ...
Solvent and substituent effect on electronic spectra of N-(4-substitutedphenyl)-2,3-diphenylpropanamides
(Arkat Usa Inc, Gainesville, 2006)
The UV absorption spectra (200-400 nm) of eleven N-(4-substituted phenyl)-2,3-diphenyl-propanamides 1 have been recorded in fourteen solvents of different polarity. A simple Hammett equation was used to study the effects ...