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Elimination of Nucleation Exclusion Zones by Electrodeposition at a Reversing Current / Eliminacija zona isključenja nukleacije taloženjem reversnom strujom
(Belgrade : Serbian Chemical Society, 1998)
Elimination of nucleation exclusion zones by electrodeposition at a reversing current (RC) in the seconds time range is considered. It is shown that nucleation exclusion zones formed in constant regimes can be eliminated ...
Examination of the kinetics of Zr1.02Ni0.98 alloy hydriding / Ispitivanje reakcije hidriranja legure Zr1.02Ni0.98
(Belgrade : Serbian Chemical Society, 1999)
The hydriding kinetics of Zr1.02Ni0.98 alloy was examined in dependence on the number of hydriding/dehydriding cycles. The rate constants relating to three subsequent hydriding procedures of an alloy sample, at five ...
Semisynthesis of Taxol (R): an improved procedure far the isolation of 10-deacetylbaccatin III
(Serbian Chemical Soc, Belgrade, 1999)
From the needles of domestic yew, (Taxus baccata), 10-deacetylbaccatin III (10-DAB) call be isolated in quantities of up to 297 mg per kg of fresh needles. Additional quantities of 10-DAB call be obtained from the extract ...
Mechanism and kinetics of the electrosorption of sulphate anions on the (111) face of silver / Mehanizam i kinetika elektrosorpcije sulfatnih anjona na (111) pljosni srebra
(Belgrade : Serbian Chemical Society, 1999)
The processes of adsorption of sulphate anions onto the (111) face of silver have been investigated by analysis of the cyclic voltammetry and potcntiostatic pulse results. It was shown, by fitting the experimentally recorded ...
Free radical ring expansion and subsequent reactions of intermediary carbon radicals
(Serbian Chemical Society, 1996)
Alkyl radicals, derived from ethyl 1-(bromoalkyl)-2-oxocyclo-alkanecarboxylates or from the corresponding thiohydroxamic esters, undergo a ring expansion reaction and subsequent intermoleculaar addition/elimination reactions. ...
Modeling of drawing thin glass sheet from a preform / Model izvlačenja tankih staklenih traka iz predoblika
(Serbian Chemical Society, 1998)
A one-dimensional model of thin glass sheet drawing has been developed. This model includes momentum, heat and mass balance equations. The density, viscosity and specific heat of the glass were calculated as functions of ...
Sesquiterpene lactones from plant species Centaurea solstitialis L.
(Serbian Chemical Society, 1998)
The identification of nine known guaianolides, i.e., solstitialin A, its 13-acetate, linichlorin B, cynaropicrin, centaurepensin (chlorohyssopifolin A), 17-epi-centaurepensin, 19-desoxychlorojanerin, 11ß,13-dihydrodesacy ...
Synthesis and oxidative transformations of 5-hydroxy-5α-cholest-8-en-3β-yl acetate
(Serbian Chemical Society, 1997)
5-Hydroxy-5α-cholest-8-en-3β-yl acetate (8) (prepared in 6 steps starting from 7-dehydrocholesteryl acetate (1) was transformed with ruthenium tetroxide to 5-hydroxy-8,9-dioxo-8,9-seco-5α-cholestan-3β-yl acetate (9). ...
Synthesis of modified 5,10:8,14-bisfragmentation cholestane derivatives
(Serbian Chemical Society, 1996)
In this paper is described a synthetic pathway to the modified 5, 10:8, 14-bisfragmentation cholestene derivatives 10, 11 and 12, which involves introduction of the Δ8(14)-double bond and 5α-hydroxyl group in the cholestane ...
The role of surface defects in HOPG on the electrochemical and physical deposition of Ag / Uloga površinskih defekata na HOPG-u u elektrohemijskoj I fizičkoj depoziciji Ag
(Belgrade : Serbian Chemical Society, 1999)
The role of defects on a substrate surface during the initial stages of nucleation and growth of Ag deposited electrochemically and physically on highly oriented pyrolytic graphite (HOPG) has been observed ex situ by ...