Претраживање
Приказ резултата 31-40 од 104
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 ...
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 ...
The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel / Uticaj Zn-Ni podslojeva na koroziono ponašanje i termičku stabilnost epoksidnih elektroforetskih prevlaka na čeliku
(Serbian Chemical Society, Belgrade, 2000)
The electrochemical and transport properties, as well as the thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Ni alloys were investigated during exposure to 3 % NaCl. The Zn-Ni alloys ...
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 ...
Volcano plots along intermetallic hypo-hyper-d-electronic phase diagrams and electrocatalysis for hydrogen electrode reactions
(Journal of New Materials for Electrochemical Systems, 2000)
The nature, causes and consequences of the existence of volcano plots along transition series with resulting theoretical conclusions have been extended on the Brewer hypo-hyper-d-electronic combinations of transition metal ...
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 ...
An analytical 3-D model for small dimensions MOSFETs' threshold voltage
(2000 22nd International Conference on Microelectronics, MIEL 2000, 2000)
This paper has presented an analytical three-dimensional (3D) model for threshold voltage of small dimensions MOSFETs with an experimental dependence of acceptor concentration in the channel. The corresponding algorithms ...
The thermal degradation of poly(di-n-propyl itaconate) and poly(di-iso-propyl itaconate)
(Elsevier Sci Ltd, Oxford, 2000)
The non-oxidative thermal degradation mechanism of poly(di-n-propyl-) (PDnPI) and poly(di-iso-propyl itaconate) (PDnPI) were investigated and compared to the structurally similar polymethacrylates. Analogous to the ...
Influence of formation conditions and precursor viscosity on mean fiber diameter formed using the relating disk method
(Elsevier, Amsterdam, 2000)
Alumina ceramic fibers were produced from aluminum-hydroxidechloride based sol. Polyvinyl alcohol and surface active material were applied to adjust the rheological characteristics of the: sol. The rotating disk formation ...