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Prikaz rezultata 11-20 od 32
An experimental study of the partial oxidation of ethane to ethylene in a shallow fluidized bed reactor / Eksperimentalno ispitivanje parcijalne oksidacije etana do etilena u reaktoru sa plitkim fludizovanim slojem
(Serbian Chemical Society, Belgrade, 2007)
The partial catalytic oxidation of ethane to ethylene was investigated experimentally in a shallow fluidized bed. The performances of two catalyst types, pure γ-Al2O3 and V2O5/γ-Al2O3 particles 1.8 mm in diameter, were ...
Preparation and modification of itaconic anhydride-methyl methacrylate copolymers / Sinteza i modifikacija kopolimera anhidrida itakonske kiseline i metil-metakrilata
(Serbian Chemical Society, Belgrade, 2007)
The free radical copolymerisation of itaconic anhydride and methyl methacrylate in solution was studied at 60 °C. The copolymer composition was determined by 1H-NMR spectroscopy and the obtained monomer reactivity ratios ...
Removal of metal cations from wastewater using recycled wool-based non-woven material / Uklanjanje katjona metala iz otpadne vode netkanim materijalom na bazi vune kao sekundarne sirovine
(Serbian Chemical Society, Belgrade, 2007)
In this study, the effect of low-temperature air plasma, biopolymer chitosan and hydrogen peroxide treatment of recycled wool-based non-woven material on metal cation uptake was investigated. Recycled wool-based material ...
Preparation and studies on immobilized α-glucosidase from baker’s yeast Saccharomyces cerevisiae / Dobijanje i proučavanje imobilizacije α-glukozidaze iz pekarskog kvasca Saccharomyces cerevisiae
(Serbian Chemical Society, Belgrade, 2007)
α-Glucosidase from S. cerevisiae was covalently immobilized onto Sepabeads EC-EA by the glutaraldehyde method. An analysis of the variables controlling the immobilization process is first presented and it is shown that the ...
A study of the electrochemical activity of some macrolide antibiotics on a gold electrode in a neutral electrolyte / Proučavanje elektrohemijske aktivnosti nekih makrolidnih antibiotika na elektrodi od zlata u neutralnom elektrolitu
(Serbian Chemical Society, Belgrade, 2007)
The aim of the present study is to present the different reactivity of azithromycin and clarithromycin (pure and commercial) at a gold electrode in neutral electrolyte using cyclic linear sweep voltammetry under the same ...
Effect of fermentation conditions on lipase production by Candida utilis / Uticaj uslova fermentacije na produkciju lipaze iz Candida utilis
(Serbian Chemical Society, Belgrade, 2007)
A wild yeast strain isolated from spoiled soybean oil and identified as Candida utilis initially presented rather low lipase activity (approximately 4 IU dm-3) in submerged culture in a universal yeast medium containing 2 ...
Investigation of the reactivity of 4-pyrimidinecarboxylic, 6-hydroxy-4-pyrimidinecarboxylic and 5-hydroxyorotic acids with diazodiphenylmethane in various alcohols: Part III / Ispitivanje reaktivnosti 4-pirimidinkarboksilne, 6-hidroksi-4-pirimidinkarboksilne i 5-hidroksiorotinske kiseline sa diazodifenilmetanom u različitim alkoholima
(Serbian Chemical Society, Belgrade, 2007)
Rate constants for the reaction of diazodiphenylmethane (DDM) with 4-pyrimidinecarboxylic, 6-hydroxy-4-pyrimidinecarboxylic and 5-hydroxyorotic acids were determined in twelve protic solvents at 30 °C using the well known ...
Adhesion of epoxy cataphoretic coatings on Zn alloys / Adhezija epoksidnih kataforetskih prevlaka na legurama cinka
(Serbian Chemical Society, Belgrade, 2007)
One of the most important factors in corrosion prevention by protective coatings is the loss of coating adhesion under environmental influence. In this work, the adhesion of epoxy cataphoretic coatings was examined on steel ...
Vapor-liquid equilibria of triglycerides-methanol mixtures and their influence on the biodiesel synthesis under supercritical conditions of methanol / Ravnoteža para-tečnost za sistem trigliceridi-metanol i njen uticaj na kinetiku sinteze biodizela pod uslovima natkritičnog metanola
(Serbian Chemical Society, Belgrade, 2007)
The non-catalytic synthesis of biodiesel (fatty acids methyl esters) from triglycerides and methanol proceeds at elevated pressures above 100 bar and temperatures above 523 K. Kinetic investigations of the system revealed ...
Wall-to-liquid mass transfer in fluidized beds and vertical transport of inert particles / Prenos mase zid-fluid u fluidizovanim slojevima i pri vertikalnom transportu inertnih čestica
(Serbian Chemical Society, Belgrade, 2007)
Mass transfer coefficients in single phase flow, liquid fluidized beds and vertical hydraulic transport of spherical inert particles were studied experimentally using 40 mm and 25.4 mm diameter columns. The mass transfer ...