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Effects of substituents on the electronic absorption spectra of 3-N-(4-substituted phenyl)-5-carboxy uracils in different solvents: Part II / Efekat supstituenata na apsorpcione spektre 3-N-(4-supstituisanih fenil)-5-karboksi uracila u različitim rastvaračima - deo II
(Serbian Chemical Society, Belgrade, 2000)
Absorption spectra of some 3-N-(4-substituted phenyl)-5-carboxy uracils, previously determined in twelve solvents, are correlated with substituent sp+ values or by dual substituent parameter correlations involving sI and ...
Identification and characterization of natural lactic microflora of home made white cheese from Sjenica / Identifikacija i karakterizacija prirodnih izolata bakterija mlečne kiseline iz sjeničkog sira
(Savez poljoprivrednih inženjera i tehničara, Beograd, 2000)
A total of 160 isolates of lactic acid bacteria (LAB) were obtained from samples taken at various stages of the manufacture and ripening (nine months) of home made white cheese from Sjenica (a traditional raw mixed cow's ...
Non-linear frequency response of non-isothermal adsorption controlled by micropore diffusion with variable diffusivity / Nelinearni frekventni odziv neizotermnog adsorpcionog sistema čija je kinetika kontrolisana difuzijom kroz mikropore sa promenljivom difuzivnošću
(Serbian Chemical Society, Belgrade, 2000)
The concept of higher order frequency response functions (FRFs) is used for the analysis of non-linear adsorption kinetics on a particle scale, for the case of non-isothermal micropore diffusion with variable diffusivity. ...
Rheological study of the network formation of thermosetting polymers / Reološko izučavanje umrežavanja termoočvršćavajućih polimera
(Association of Chemical Engineers of Serbia, 2000)
The rheokinetics of the curing of thermoset polymers, such as acrylate-terminated unsaturated polyesters, polyurethanes based on unsaturated polyesters and phenol-formaldehyde resins, was studied by rheological analysis. ...
Fermentative activity of lactic acid bacteria in substrates based on soybean milk / Fermentativna aktivnost bakterija mlečne kiseline u supstratima na bazi sojinog mleka
(Savez poljoprivrednih inženjera i tehničara, Beograd, 2000)
The fermentative activity of a mixed starter culture of Lb. acidophilus TMF6 and Bifidobacterium sp. TMF17a in soybean milk and supplemented soybean milk was examined. The supplementation of soybean milk was made with cows ...
The thermal degradation of poly(di-itaconates) / Termička degradacija poli(di-itakonata)
(Association of Chemical Engineers of Serbia, 2000)
The thermal degradation of poly(di-itaconates) is discussed with special emphasis on the Influence of the nature of the ester substituent. It was established that the following reactions occur during the thermal degradation ...
Have you ever thought about mole and its place in the international system of units? / Da li ste ikada razmišljali o molu i njegovom mestu u međunarodnom sistemu jedinica?
(Srpsko hemijsko društvo, Beograd, 2000)
A short historical review of measuring and units has been given in the first part of this paper. The most attention has been paid to the decimal metric system and to the development of International system of units (SI). ...
Synthesis and electrochemical properties of polypyrrole, polyaniline and poly-3-methyl thiophene / Sinteza i elektrohemijska svojstva polipirola, polianilina i poli-3-metiltiofena
(Association of Chemical Engineers of Serbia, 2000)
In this article, the results of a study of the electrochemical polymerization of pyrrole and the chemical polymerization of pyrrole, aniline and 3-methyl thiophene initiated by FeCh are presented. The electrochemical ...
Determination of americium-241 in sediments by gamma spectroscopy / Određivanje americijuma-241 gama spektroskopijom
(Serbian Chemical Society, Belgrade, 2000)
A radiochemical method is given for the determination of Am-241 from the global fallout in sediments. The concept of a concentration step to separate Am-241 from the bulk of the sample (1-2 kg wet) by coprecipitation ...
A comparative LFER study of the reactivity of pyridineacetic, pyridineacetic acids N-oxide and substituted phenylacetic acids with diazodiphenylmethane in various alcohols / Komparativna LFER studija reaktivnosti piridinsirćetnih, piridin-N-oksid-sirćetnih kiselina i supstituisanih fenilsirćetnih kiselina sa diazodifenilmetanom u različitim alkoholima
(Serbian Chemical Society, Belgrade, 2000)
Rate constants have been determined for the reactions of diazodiphenylmethane (DDM) with 3- and 4-pyridineacetic acid, 3- and 4-pyridineacetic acid N-oxide and some meta- and para-substituted phenylacetic acids in twelve ...