Претраживање
Приказ резултата 21-30 од 182
Management of measuring equipment in small series production / Upravljanje mernom opremom pri maloserijskoj proizvodnji
(Savez inženjera i tehničara Srbije, 2011)
Successfully managing in laboratory only depends on the personnel and equipment used in special use. The laboratory must have the necessary equipment which must be regularly calibrated. Employees must be completely familiar ...
Estimation of lipophilicity of n-substituted 2-alkylidene-4-oxothiazolidines by means of reversed-phase thin-layer chromatography
(Taylor & Francis Inc, Philadelphia, 2011)
The chromatographic behavior of 23 new 2-alkylidene-4-oxothiazolidine derivatives was investigated by means of the reversed-phase thin-layer chromatography (RP TLC) on the C18 and CN stationary phases. Binary mixtures of ...
Reactions of transition metal carbonyl anions with 2-(1-bromoalkylidene)thiazolidin-4-ones: halogenophilic attack or deprotonation
(Oxford : Pergamon-Elsevier Science Ltd, 2011)
Bromophilic attack by the transition metal carbonyl anion, [Re(CO)(5)]Na (pK(a) = 21.1), on 2-(1-bromoalkylidene)thiazolidin-4-ones is significantly faster than abstraction of an acidic lactam hydrogen (pK(a) similar to ...
Chemical properties of the cultivated Sideritis raeseri Boiss. & Heldr. subsp raeseri
(Elsevier Sci Ltd, Oxford, 2011)
Phytochemical analyses of the cultivated Sideritis raeseri subsp. raeseri in four different stages of flower development were performed. Traditionally used infusion and decoction were also prepared from aerial parts in ...
Cancer Incidence in a Population Living Near a Petrochemical Facility and Oil Refinery
(Collegium Antropologicum, Zagreb, 2011)
There is growing concern that pollution from petrochemical and oil refinery installations in Pancevo (Serbia) has increased the incidence of various diseases including cancer The aim of our study was to investigate cancer ...
Effect of Candida antarctica Lipase B Immobilization on the Porous Structure of the Carrier
(Wiley-V C H Verlag Gmbh, Weinheim, 2011)
A series of poly(GMA-co-EGDMA) resins with identical composition but varying particle sizes, pore radii, specific surface areas and specific volumes are studied to assess how Candida antarctica lipase B immobilization ...
Kinetics of sintering of polyethilene glycol and lanthanum doped aluminum oxide obtained by the sol-gel method / Uticaj dodatka polietilen-glikola i lantana na mehanizam sinterovanja aluminijum-oksida dobijenog sol-gel postupkom
(Association of Chemical Engineers of Serbia, 2011)
Sintering and crystallization of low-density polyethylene glycol (PEG) and lanthanum, La(III)-doped Al2O3 aerogels prepared from aluminum isopropoxide were investigated. The sintering behavior of non-doped and doped aerogels ...
Non-covalent interactions across subunit interfaces in Sm proteins
(Academic Press Ltd- Elsevier Science Ltd, London, 2011)
The distinguishing property of Sm protein associations is their high stability. In order to understand this property, we analyzed the interface non-covalent interactions and compared the properties of the Sm protein ...
Photodegradation of thiacloprid using Fe/TiO2 as a heterogeneous photo-Fenton catalyst
(Elsevier, 2011)
Three Fe/TiO2 photocatalysts with different content of Fe (1.9, 7.2 and 13.9%, w/w) were synthesized by a simple deposition-precipitation method and characterized by XRD, SEM, N-2 physisorption at 77K and Mossbauer ...
Production and properties of the highly efficient raw starch digesting alpha-amylase from a Bacillus licheniformis ATCC 9945a
(Elsevier Science Sa, Lausanne, 2011)
Highly efficient raw starch digesting alpha-amylase was produced after 24 h of batch fermentation of Bacillus licheniformis ATCC 9945a in laboratory bioreactor at 37 degrees C. The enzyme was purified by gel filtration ...