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Приказ резултата 281-289 од 289
Polimerna optička vlakna / Polymer optical fibres
(Loznica : Viskoza, 1997)
U ovom radu je dat kratak pregled razvoja polimernih optičkih vlakana, kao i njihova klasifikacija. Takodje, razmatrani su fizički principi optičkih talasovoda i njihove prednosti u odnosu na metalne provodnike. Naročita ...
Uticaj inkorporiranog ugljenika na termomehanička svojstva viskoznih vlakana i korda / Influence of incorporate carbon on thermo-mechanical properties of viscose fibres and cord
(Loznica : Viskoza, 1997)
Viskozna vlakna sa inkorporiranim ugljenikom imaju specifična svojstva i namenu. U procesu zagrevanja viskoznih vlakana i korda u prisustvu kiseonika, usled promene kretanja strukturnih elemenata i hemijskih promena, dolazi ...
Savremeni trendovi u proizvodnji i primeni vlakana u svetu i sirovinska baza tekstilne industrije SRJ / New trends in production and application of fibres in the world and the raw material basis of Yugoslavian textile industry
(Savez inženjera i tehničara tekstilaca Srbije, 1998)
Posle velike ekspanzije u 1994. god., svetska proizvodnja hemijskih vlakana (sintetizovanih, celuloznih) u 1996. god. zabeležila je porast sličan ranijim godinama. Svetska proizvodnja hemijskih vlakana u 1996.god. porasla ...
Kristalisanje koncentrovanih rastvora celuloze u N-metilmorfolin-N-oksidu / Crystallization of concentrated cellulose solutions in N-methylmorpholine-N-oxide
(Loznica : Viskoza, 1992)
U istraživanju mogućnosti dobijanja hemijskih celuloznih vlakana bez upotrebe ugljen disulfida posebna pažnja je posvećena takvim direktnim rastvaračima celuloze kao što su tercijerni amini. U ovom radu proučavane su pojave ...
Hydrogen peroxide oxidation on passive iron in alkaline solutions
(Pergamon-Elsevier Science Ltd, Oxford, 1992)
The kinetics of hydrogen peroxide oxidation were studied on passive iron in alkaline solutions of pH ranging from 9.8 to 13.8, using the rotating disk electrode. Measurements were taken using the linear sweep technique. ...
Multiaxial determination of the resistance to creasing of clothing wool fabrics
(Emerald Group Publishing Limited, Bradford, 1999)
In this paper, values of deformation components (elastic, viscoelastic, plastic) of clothing wool fabrics by measuring the crease recovery angle in various directions to the warp direction (0°-warp, 30°, 45°, 60°, and ...
Dehydration behavior of some microporous zincophosphates
(Elsevier, 1996)
The dehydration behavior of two synthetic, unsubstituted and cobalt-substituted, zincophos phates (one a sodalite analog and the other a new, hexagonal phase) was studied by TG/DTG and DSC. TG/DTG curves of the sodalite ...
Phase-transfer catalyzed N-ethylation of N-ethyl-2-phenylacetamide
(Natl Inst Science Communication, New Delhi, 1996)
Phase-transfer catalyzed N-ethylations of N-ethyl-2-phenylacetamide (EPA) in the presence of powdered KOH (solid-liquid system) have been carried out in order to establish the effect of catalyst structure on the reaction. ...