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Приказ резултата 11-20 од 1186
Environmental pollution by heavy metals and biodiversity monitoring of places Kosovska Mitrovica and Zvečan / Zagađenje životne sredine teškim metalima i monitoring biodiverziteta gradova Kosovske Mitrovice i Zvečana
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2010)
Research takes place in areas of Kosovska Mitrovica and Zvecan with the aim to determine content of following heavy metals: Pb, Cd, Cr, Hg, Zn and also pH values in surface water of Ibar river, underground waters (wells) ...
Removal of organochlorine pesticides from water using virgin and regenerated granular activated carbon / Uklanjanje pesticida iz vode na granulisanom aktivnom uglju
(Serbian Chemical Society, Belgrade, 2010)
Public water systems use granular activated carbon in order to eliminate pesticides. After saturation, the used activated carbon is regenerated and reused in order to reduce the costs of water production and minimize waste. ...
Simplification of the synthesis of the reversible addition-fragmentation chain transfer agent 2-(2-cyanopropyl)-dithiobenzoate / Pojednostavljenje postupka sinteze raft agensa 2-(2-cijanopropil)-ditiobenzoata
(Serbian Chemical Society, Belgrade, 2010)
The general literature procedure for the preparation of the reversible addition-fragmentation chain transfer (RAFT) agent 2-(2-cyanopropyl)-dithiobenzoate (CPDB) was modified by omitting the recrystallisation of the ...
Deformation mechanisms in ti3al-nb alloy at elevated temperatures
(Institute of Metals and Technology, 2010)
Ti3Al-11Nb-1V (x/%) was made in a vacuum arc furnace. Hot-rolling was conducted at 1050 degrees C in a two-phase field of the alloy. Strain-rate jump tests were performed at T = 800-1100 degrees C and strain rates of 10(-6) ...
Modeling of strength degradation during water quench test of low cement high alumina castable
(University of Chemistry and Technology, Prague, 2010)
Low cement high alumina castable was synthesized, cured, and then sintered at 1100 degrees C for 3 hours. Water quench test was used as an experimental method for thermal stability testing. Image analysis program was applied ...
Influence of current and temperature on discharge characteristics of electrochemical nickel-cadmium system / Uticaj struje i temperature na karakteristike pražnjenja elektrohemijskog nikal-kadmijum sistema
(Association of Chemical Engineers of Serbia, 2010)
The paper elaborates determination of characteristic values in the discharging process of non-hermetic nickel-cadmium galvanic battery with nominal voltage Un = 60 V and nominal capacity qn = C5 = 190 A h and its dependence ...
Synthesis, structure and solvatochromic properties of 3-cyano-4,6-diphenyl-5-(3- and 4-substituted phenylazo)-2-pyridones / Sinteza, struktura i solvatohromna svojstva 3-cijano-4,6-difenil-5-(3- i 4-supstituisanih fenilazo)-2-piridona
(Serbian Chemical Society, Belgrade, 2010)
A series of some new pyridone arylazo dyes was synthesized from the corresponding diazonium salts and 3-cyano-4,6-diphenyl-2-pyridone using the classical reaction for the synthesis of the azo compounds. The structures of ...
Design of multi-pressure organic rankine cycles for waste heat recovery in site utility systems
(Elsevier B.V., 2014)
This work addresses the design of Organic Rankine Cycle (ORC) processes used for power generation from low-grade heat available in site utility systems. The Exergy Composite Curves approach is used within a systemic ...
Welding technology of aluminium alloys using friction stir welding / Tehnologija zavarivanja aluminijumskih legura postupkom zavarivanja trenjem alatom
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2010)
The objective of this paper is a development of welding technology of aluminium alloys by Friction Stir Welding (FSW). FSW is a very modern welding process with a great future use, primarily due to a variety of possible ...
Antimicrobial activity of hybrid hydrogels based on poly(vinylpyrrolidone) containing silver / Antimikrobna aktivnost hibridnih hidrogelova na bazi poli(vinilpirolidona) koji sadrže srebro
(Association of Chemical Engineers of Serbia, 2010)
New hybrid hydrogels were prepared by radical copolymerization of 2-hydroxyethyl methacrylate, itaconic acid, poly(vinylpyrrolidone) and silver salt. FTIR spectroscopy has confirmed binding of silver particles in hydrogels. ...