Претраживање
Приказ резултата 301-310 од 318
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. ...
Phase transfer ethylation of N-substituted amides of phenylacetic acid
(Mezhdunarodnaya Kniga, Moscow, 1998)
The structure of CoSAPO-34, containing i-propylamine as a template
(Butterworth-Heinemann, 1991)
The crystal structure of a cobalt silicoaluminophosphate, CoSAPO-34, is reported. The crystals belong to the rhombohedral R3 space group with unit cell parameters a = 13.797(7) and c = 14.898(7) A. The final R index was ...
METODE ZA ODREĐIVANJE ELEKTROFIZIČKIH SVOJSTAVA TEKSTILNIH MATERIJALA / ELECTROPHYSICAL PROPERTIES DETERMINATION METHODS OF TEXTILE MATERIALS
(VISKOZA, 1999)
Dat je pregled važnijih metoda za određivanje elektrofizičkih svojstava tekstilnih materijala. Obuhvaćene su metode za određivanje statičkog naelektrisanja na tekstilnim materijalima i elektrofizičkih svojstava tekstilnih ...
Dielektrično sušenje tekstilnih materijala u visokofrekventnom električnom polju
(Savez hemijskih inženjera, Beograd, 1997)
Composite rods with embedded optical fibre - Modeling and evaluation
(Trans Tech Publications Ltd, Durnten-Zurich, 1998)
An experimental facility for composite rod manufacturing by vacuum molding technique with embedded optical fibres has been designed and built. A mathematical model for composite rods, with embedded optical fibres, formation ...
Temperature Dependent Thermal Conductivity of Symmetrically Strained Si/Ge Superlattices
(ASME (American Society of Mechanical Engineers), 1999)
Experimental evidence for a significant thermal conductivity reduction has been reported in recent years for GaAs/AlAs, Si/Ge, and Bi2Te3/Sb2Te3 superlattices. Previously reported experimental studies on Si/Ge superlattices ...
The sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel and steel electrochemically modified by Fe-P alloys
(Elsevier Science S.A., 1998)
The corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel and steel electrochemically modified by Fe-P alloys of different phase structures have been investigated during exposure to 3% NaCl. ...
METODE ZA NEUTRALIZACIJU STATIČKOG NAELEKTRISANJA NA TEKSTILNIM MATERIJALIMA / STATIC ELECTRICITY NEUTRALIZATION METHODS ON TEXTILE MATERIALS
(Savez hemičara i tehnologa Jugoslavije, 1999)
Dielektrična svojstva tekstilnh materijala uslovljavaju pojavu statičkog naelektrisanja pri njihovom kontaktu sa drugim telima. Statičko naelektrisanje često nepovoljno utiče na ponašanje tekstilnh materijala kako u ...
Sušenje penicilina-G u fluidizovanom sloju
(Yugoslav association of Chemical Engineering, 1997)