Претраживање
Приказ резултата 11-20 од 34
The Bray-Liebhafsky oscillatory reaction: Kinetic investigations in reduction and oxidation pathways based on hydrogen peroxide concentration monitoring
(International Institute for the Science of Sintering, Beograd, 2000)
By direct monitoring of the hydrogen concentration during its catalytic decomposition into water and oxygen in the presence of potassium iodate and sulfuric acid, that is in the Bray-Liebhafsky system, the pseudo-rate ...
Investigation of the conditions of synthesis of optical fiber-magnetic powder composites
(International Institute for the Science of Sintering, Beograd, 2000)
The goal of these investigations was synthesis of optical fiber-magnetic powder composites with new application possibilities like sensors, detectors etc. Parts of results of the investigation of the possibility of embedding ...
A new heterocyclization product of adhyperforin from Hypericum perforatum (St. John's Wort)
(Molecular Diversity Preservation International, 2000)
The electro-oxidation of the mixture of formaldehyde and 2-propanol on gold (100) and (111) single crystal planes in alkaline medium / Elektrooksidacija smeše formaldehida i 2-propanola na monokristalima zlata orijentacije (100) i (111) u alkalnoj sredini
(Serbian Chemical Society, 2000)
The effect of formaldehyde on the oxidation of 2-propanol and vice versa on gold single crystal planes (100 and 111) was studied. An activating effect in the reaction of the simultaneous oxidation of 2-propanol and ...
The crystal structure of 14-oxo-13,14-seco-5α-cholest-13(18)-en-3β-yl acetate and the assignment of the configuration of its acetoxy derivatives / Kristalna struktura 14-okso-13,14-seko-5α-holest-13(18)-en-3β-il-acetata i određivanje konfiguracije njegovih acetoksi derivata
(Serbian Chemical Society, 2000)
The crystal structure of 14-oxo-13,14-seco-5α-cholest-13(18)-en-3β-yl acetate (2), obtained (in addition to the (E)-Δ12-isomer 3) by oxidative fragmentation of the C(13)-C(14) bond of 14α-hydroxy-5α-cholestan-3β-yl acetate ...
Streptomyces subtilisine (SSL) inhibitor from streptomyces hygroscopius CH-7: Detection and partial characterization / Streptomyces subtilizinu sličan inhibitor (SSL-inhibitor) iz streptomyces hygroscopicus CH-7 - detekcija i delimična karakterizacija
(Acta biologica iugoslavica - serija B: Mikrobiologija, 2000)
Strain Streptomyces (S.) hygroscopicus CH-7 during the fermentation of polyketide antibiotic produces as a by product proteolytic complex with significant trypsin like activity. Also, S. hygroscopicus CH-7 produces ...
Direct liquefaction of soft brown coal from the Kosovo basin / Likvefakcija mekog mrkog uglja kosovskog basena
(Association of Chemical Engineers of Serbia, 2000)
The behavior of Kosovo Basin (Yugoslavia) soft brown coal was studied during a direct liquefaction process by catalytic hydrogenation. A stream of hydrogen was passed through a tetralin dispersion of the pulverized coal ...
The synthesis of some unsaturated 4-substituted-g-lactones / Sinteza nekih nezasićenih 4-substituisanih-g-laktona
(Belgrade : Serbian Chemical Society, 2000)
The synthesis of conjugated and nonconjugated unsaturated 4-substituted lactones
of type 1 and 2 are described. The type 1 lactone was prepared by a two step
procedure employing Bredereck s reagent. The type 2 lactone ...
Lead tetraacetate oxidation of the Diels-Alder adduct of 7-dehydrocholestryl acetate with maleic anhydride / Olovotetraacetatna oksidacija Dils-Adlerovog adukta 7-dehidro-holesteril-acetata sa anhidridom maleinske kiseline
(Belgrade : Serbian Chemical Society, 2000)
The Diels-Alder adduct (3), obtained by cycloaddition of 7-dehydrocholesteryl
acetate (1) and maleic anhydride (2), was heated at ca. 90 oC with a large excess of lead
tetraacetate in pyridine solution for 5 h. Under ...
Effect of methyl oleate and Tween 80 on the antibiotic productivity and the fatty acid composition of the total lipids of Streptomyces hygroscopicus CH-7 / Dejstvo metil oleata i Tween-a 80 ha produkciju antibiotika i sadržaj masnih kiselina u ukupnim lipidima soja Streptomyces hygroscopicus CH-7
(Serbian Chemical Society, 2000)
The effects of methyl oleate and Tween 80, hexaene H-85 production stimulators, on the fatty acid composition of the total lipids of S. hygroscopicus CH-7 were investigated. Besides oleic acid in the biomass, an increase ...