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Приказ резултата 21-30 од 201
Benzylation of N-phenyl-2-phenylacetamide under microwave irradiation / Benzilovanje N-fenil-2-fenilacetamida pomoću mikrotalasnog zračenja
(Serbian Chemical Society, Belgrade, 2008)
N-Phenyl-2-phenylacetamide was alkylated with benzyl chloride in the presence of powdered potassium hydroxide under microwave irradiation in a solvent-free system. The reactions were also performed in the presence of ...
Refining of corrosive insulating oils by selective liquid-liquid extraction process
(42nd International Conference on Large High Voltage Electric Systems 2008, CIGRE 2008, 2008)
In recent years copper sulphide formation in transformer windings has been recognized as one significant risk factor for operation of power transformers, due to number of failures which have occurred as a consequence of ...
Antimicrobial activity of celery fruit isolates and SFE process modeling
(Elsevier, Amsterdam, 2008)
Prediction of service life of cordierite-mullite refractory materials by non-destructive methods
(9th International Conference on Multiscale and Functionally Graded Materials, FGM IX, 2008)
Ultrasonic pulse velocity testing was used to perform non-destructive quality control of refractory plates used as substrates in fast firing of porcelain whitewares. The measurement of the ultrasonic velocity was used to ...
Characterization of Intestinal Isolates of Lactic Acid Bacteria with Potential Probiotic Ability from Premature Born Nursling
(2008 Joint Central European Congress of the 4th Central European Congress on Food, CEFood 2008 and 6th Croatian Congress of Food Technologists, Biotechnologists and Nutritionists, 2008)
Five samples of feces from premature born nursling were taken from Institute of Neonatology (Belgrade). Three different media based on MRS was used for isolation of intestinal isolates of lactic acid bacteria. From 25 ...
Reciklovanje poliolefinskog otpada do energenta / Polyolephine waste recycling as source of power energy
(Association of Chemical Engineers of Serbia, 2008)
Poliolefinski otpad (polietilen, polipropilen) izvor je zagađivanja okoline. Razvijen je
veliki broj postupaka za reciklovanje poliolefinskog otpada. U ovome radu je prikazan
tehnološki postupak pod oznakom T-tehnologija® ...
Nonlinear FR-ZLC method for investigation of adsorption equilibrium and kinetics
(Springer, New York, 2008)
A new method for investigation of adsorption equilibrium and kinetics, named Nonlinear Frequency Response-Zero Length Column (NFR-ZLC) method, is introduced. It combines the advantages of the Nonlinear FR method (the ...
The electrochemical behavior of erythromycin A on a gold electrode
(Pergamon-Elsevier Science Ltd, Oxford, 2008)
The reactivity of erythromycin (pure) was investigated on a gold electrode in neutral electrolyte by cyclic voltammetry. The resulting structural changes were observed with HPLC and FTIR spectroscopy by analyzing the bulk ...
Lipase catalyzed synthesis of flavor esters in non-aqueous media: Optimization of the yield of pentyl 2-methylpropanoate by statistical analysis / Sinteza mirisnih estara katalizovana lipazama u nevodenoj sredini - optimizacija prinosa pentil-2-metilpropanoata statističkom analizom
(Serbian Chemical Society, Belgrade, 2008)
In this study, the synthesis of pentyl 2-methylpropanoate employing a commercial lipase from Candida rugosa was investigated, the emphasis being placed on analyzing the effects of various process conditions on the yield ...
Immobilization of lipase on sepabeads and its application in pentyl octanoate synthesis in a low aqueous system / Imobilizacija lipaze na komercijalni epoksidni nosač za sintezu pentil-oktanoata u mikrovodenom sistemu
(Faculty of Technology, Novi Sad, 2008)
The object of the study was to investigate the process conditions relevant for the pentyl octanoate production with the lipase from Candida rugosa immobilized on Sepabeads EC-EP carrier. This is an epoxide-containing ...