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Приказ резултата 31-40 од 65
Simultaneous correlation of the excess enthalpy and W-shaped excess heat capacity of 1, 4-dioxane- n-alkane systems by PRSV-HVOS CEOS / Simultano korelisanje dopunske entalpije i dopunskog toplotnog kapaciteta sa w-oblikom eksperimentalnih tačaka kod sistema 1,4-dioksan+n-alkani pomoću prsv-hvos ceos
(Serbian Chemical Society, Belgrade, 2003)
In this work the Peng-Robinson-Stryjek-Vera (PRSV) equation of state coupled with the Huron-Vidal-Orbey-Sandler (HVOS) rule was tested for the correlation of the excess enthalpy (HE) and the excess heat capacity (cp E) ...
Preparation of antibacterial activated carbon whit silver coating / Dobijanje antibakterijskog aktivnog uglja impregnisanog srebrom
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2003)
The aim of this work was preparation of the activated carbon samples with silver coating and examination of their antibacterial behavior. The rate of silver deposition at the surface of the activated carbon was tested as ...
In vitro evaluation of the controlled release of antibiotics from liposomes / In vitro ispitivanje kontrolisanog otpuštanja antibiotika iz liposoma
(Association of the Chemical Engineers of Serbia, 2003)
Results of this study have shown significantly prolonged release of selected antibiotic from liposome dispersion as compared to free antibiotic solution of the same initial concentration. Two models of non-steady one-dimensional ...
Calculation of elasticity modulus of particulate composite biomaterials using finite element method / Numeričko određivanje modula elastičnosti čestično kompozitnih biomaterijala primenom metode konačnih elemenata
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2003)
The influence of particle geometry, volume fraction and particle distribution on the modulus of elasticity of a hydroxyapatite (HAp) particulate reinforced polymer (poly -L-lactide) matrix composite biomaterial was ...
Electrochemical synthesis and corrosion behavior of thin polyaniline film on mild steel / Elektrohemijska sinteza i koroziono ponašanje tankih filmova polianilina na mekom čeliku
(Engineering Society for Corrosion, Belgrade, Serbia, 2003)
The electrochemical synthesis of polyaniline (PANI) on mild steel from the sodium-benzoate solutions has been investigated. It has been concluded that thin, highly adherent, polyaniline films could be obtained by anodic ...
Influence of modification of hemp fibres by sodium hydroxide on their chemical composition and sorption properties / Uticaj modifikovanja vlakana konoplje natrijumhidroksidom na njihov hemijski sastav i sorpciona svojstva
(Union of Textile Engineers and Technicians of Serbia, Belgrade, 2003)
This paper discusses the effect of chemical modification of hemp fibres with NaOH on their physico-chemical properties. The modification of hemp fibres was carried out with 5% and 18% aqueous solution of sodium hydroxide, ...
Studies of a wear resistant cast iron / Izučavanje belih gvožđa otpornih na habanje
(Savez inženjera metalurgije Srbije, Beograd, 2003)
The objective of this investigation was to set down (on the base of the results obtained by the examination of white cast iron alloys with different content of the alloying elements) a correlation between chemical composition ...
Hemp is coming back / Povratak konoplje
(Union of Textile Engineers and Technicians of Serbia, Belgrade, 2003)
The paper presents the use of hemp for different purposes through the history and today. Also, an overview of the current state in the field of hemp fibers, as well as future prospect of these fibers, are given.
Experimental design approach regarding kinetics of high pressure leaching processes / Dizajniranje eksperimenata u pogledu na kinetiku luženja pri visokim pritiscima
(Savez inženjera metalurgije Srbije, Beograd, 2003)
Kinetics of high pressure leaching of nickel latente ore "Rudjinci", Serbia was studied in this work. The following parameters: temperature, acid to ore ratio, stirring speed, and time were optimized in order to obtain the ...
Effect of substituents on the 13C-NMR chemical shifts of 3-methylene-4-substituted-1, 4-pentadienes - Part I / Efekti supstituenata na 13C-NMR hemijska pomeranja 3-metilen-4-supstituisanih-1,4-pentadiena - deo I
(Serbian Chemical Society, Belgrade, 2003)
The principles of linear free energy relationships were applied to the 13C substituent chemical shifts (SCS) of the carbon atoms in the unsaturated chain of 3-methylene-4-substituted-1,4-pentadienes. Correlations of the ...