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Приказ резултата 1-10 од 308
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 ...
Dobijanje i svojstva biološki aktivnih vlakana sa fermentativnom aktivnošću / Obtaining and Properties of Biologically-Activated Fibers with Fermentation Activity
(Loznica : Viskoza, 1995)
Fermenti imobilizovani na vlaknastim nosačima nalaze danas najširu primenu u medicini, farmaciji i prehrambenoj industriji. To je uslovljeno visokom efektivnošću i supstratnom specifičnošću biokatalize, lakoćom manipulacije ...
Viskoelastična svojstva koncentrovanih rastvora celuloze u N-metilmorfolin-N-oksidu / Viscoelastic properties of concentrated solutions of cellulose in N-methylmorpholine-N-oxide
(Loznica : Viskoza, 1995)
Između različitih rastvarača za direktno rastvaranje celuloze i primene ovih rastvora za proiuzvodnju hemijskih celuloznih vlakana najperspektivniji je N-metilmorfolin-N-oksid (NMMO). U ovom radu proučavana su visokoelastična ...
Assesment of Wool Fibre Damage After Low-temperature Plasma Treatment
(The Faculty of Technology and Metallurgy, Skopje, 1999)
Proučavanje sorpcionih svojstava ugljeničnih vlaknastih sorbenata / Study of Sorption properties of Fibrous Carbon Sorbents
(Loznica : Viskoza, 1995)
Ugljenični vlaknasti sorbenti se odlikuju dobrom adsorpcijom gasova i para, kako u statičkim, tako i dinamičkim uslovima i koriste se kao filtracioni materijal. U ovom radu proučavana su sorpciona svojstva ugljeničnim ...
A cobalt(II) complex with ethylenediamine inside zeolite A
(Slovenian Chemical Society, 1994)
Reaction of the partially dehydrated cobalt(II)-exchanged zeolite A (Co-A) with ethylenediamine (en) at 130 C in an autoclave yields after 24 h a product (Coen-A) in which entire Co(II) content (tetrahedrally coordinated ...
A novel triclinically deformed chabazite-like aluminophosphate prepared in the presence of tris(1,2-diaminoethane)nickel(II) chloride
(Elsevier, 1998)
The tris(1,2-diaminoethane)nickel(II) complex was found to be a novel structure-directing agent for the preparation of the chabazite-like AlPO4-34 molecular sieve. During crystallization the complex undergoes a ligand ...
Formability of a high-strength Al Mg6.8 type alloy sheet
(Springer, New York, 1998)
Room temperature formability testing was performed on an AlMg6.8 type alloy sheet with a fully recrystallized structure (average grain diameter similar to 18 mu m) and after partial annealing with a retained deformed ...
(31)P NMR investigation of some microporous zincophosphates
(Serbian Chemical Society, 1996)
High field magic-angle spinning (MAS) (31)P-NMR investigations of novel porous zincophosphates and their cobalt-containing derivatives confirm the framework structure of alternating Zn(Co)O4 and PO4 tetrahedra. The MAS NMR ...
The determination of kinetics parameters of the hydrogen evolution on Ti-Ni alloys by ac impedance
(Pergamon-Elsevier Science Ltd, Oxford, 1997)
The kinetics and mechanism of hydrogen evolution at Ti-Ni alloys electrode has been studied by means of steady-state potentiostatic polarization and ac impedance spectrum measurements. Complex-plane spectrum plots are ...