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The kinetics of the reaction of 6-substituted nicotinic acids and some p-substituted benzoic acids with diazodiphenylmethane in various alcohols / Kinetika reakcija 6-supstitutisanih nikotinskih kiselina i nekih p-supstituisanih benzoevih kiselina sa diazodifenilmetanom u različitim alkoholima
(Serbian Chemical Society, Belgrade, 2000)
Rate constants have been determined for the reactions of diazodiphenylmethane with a number of 6-substituted nicotinic acids and p-substituted benzoic acids in twelve alcohols. A comparative study was used to evaluate 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 ...
The significance of molecular weight for medical purpose application of PLLA / Značaj molske mase za primenu PLLA u medicini
(Association of Chemical Engineers of Serbia, 2000)
The influence of the molecular weight of poly (L-lactide) on the properties important for biomedical application are reviewed. The utilization of polylactides in sutures, drug release systems and bone reconstruction is ...
The thermo-oxidative degradation of poly(2-chloroethyl methacrylate) in the presence of antioxidants / Termooksidativna degradacija poli(2-hloretil metakrilata) u prisustvu antioksidanata
(Association of Chemical Engineers of Serbia, 2000)
The oxidative thermal degradation of poly(2-chloroethyl methacrylate) (PCEMA) was studied in the presence of the following commercial antioxidants: CHIMASSORB 119 (CH 119) and CHIMASSORB 944 (CH 944), both based on amines, ...
Polymer optical fibers today / Polimerna optička vlakna danas
(Association of Chemical Engineers of Serbia, 2000)
Polymer optical fibers (so called POF) are already in wide use in a large number of fields. This paper gives an overview including a background of the development of polymer optical fibers, their advantages, various types ...
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 ...
The devitrification of PbO-B2O3-ZnO glass doped with Li2O / Rastakljivanje PbO-B2O3-ZnO stakla sa dodatkom Li2O
(Serbian Chemical Society, Belgrade, 2000)
In this paper the effect of the addition of Li2O on the crystallization behavior of PbO-B2O3-ZnO glass was investigated by the differential thermal analysis (DTA) and X-ray powder diffraction (XRPD) methods. The crystallization ...
The thermal stability of poly(sec-butyl methacrylate) / Termička stabilnost poli(sec-butil metakrilata)
(Društvo inženjera plastičara i gumara, Beograd, 2000)
The thermal stability of a series of poly(sec-butyl methacrylate)(PsBMA) samples was investigated by non-isothermal thermogravimetry (TG). The PsBMA samples were synthesised by bulk radical polymerization in the presence ...
Polycyclic aromatic compounds in wood preservatives derived from coal and petroleum / Policiklični aromatski ugljovodonici u sredstvima za zaštitu drveta na bazi uglja i nafte
(Association of Chemical Engineers of Serbia, 2000)
Five commercial coal tar oils (DB, B, GX, PO, MA) and an oil sample derived from petroleum (RPO) were investigated in this work. The contents of benzo[a]pyrene (B[a]P) and 13 other polycyclic aromatic compounds (PACs) were ...
Molecular determination of lactic acid bacteria / Molekularna determinacija bakterija mlečne kiseline
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad i Savez hemičara i tehnologa, Beograd, 2000)
The identification and classification of microorganisams are of crucial importance in environmental. Industrial, medical and agricultural microbiology and microbial ecology. For a long time, microbial taxonomy was considered ...