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Prikaz rezultata 311-320 od 320
Određivanje metabolita metamizola u površinskoj i podzemnoj vodi / Determination of metamizole metabolites in surface water and groundwater
(Beograd : Srpsko hemijsko društvo = Serbian Chemical Society, 2015)
Lekovi predstavljaju najznačajniju grupu novih zagađujućih supstanci koje se nalaze u prirodnim vodama [1]. Otpadne vode, poreklom iz domaćinstava, industrije i životinjskih farmi predstavljaju osnovne izvore zagađenja ...
Ni-(Ebonex-supported Ir) composite coatings as electrocatalysts for alkaline water electrolysis. Part I: Hydrogen evolution
(Elsevier, 2015)
The hydrogen evolution reaction (HER) was studied at electrodeposited Ni and Ni-(Ebonex/Ir) composite coatings in 1 mol dm-3 NaOH solution at 25 °C. The Ni-(Ebonex/Ir) coatings were electrodeposited from a nickel Watts ...
Ultrasound Extraction of Polyphenolic Compounds from Thymus serpyllum
(School of Chemical Engineering, Athens, 2015)
Aromatic plant species of family Lamiaceae are important medicinal plants because of their antioxidant, antimicrobial, antispasmodic, expectorant, stimulant and diuretic properties. In this study T. serpyllum herba was ...
Ekstrakcija odabranih lekova na višeslojnim ugljeničnim nanocevima / Extraction of selected pharmaceuticals on multiwalled carbon nanotubes
(Beograd : Srpsko hemijsko društvo = Serbian Chemical Society, 2015)
Predmet ovog rada bio je ispitivanje mogućnosti primene višeslojnih ugljeničnih nanocevi kao sorbenta u metodi ekstrakcije na čvrstoj fazi (eng. solid phase extraction SPE) pri analizi ostataka lekova iz vode. U cilju ...
Microstructural and mechanical properties of Cu-7vol.%ZrB2 alloy produced by powder metallurgy techniques
(Walter de Gruyter GmbH, 2015)
The Cu-7vol.%ZrB2 alloy examined in this study was consolidated via powder metallurgy (PM) processing by combining mechanical alloying and hot pressing. Powder mixture with composition: 94.78 wt.% copper, 4.1 wt.% zirconium, ...
Influence of Chitosan Coating on Mechanical Stability of Biopolymer Carriers with Probiotic Starter Culture in Fermented Whey Beverages
(Hindawi Ltd, London, 2015)
The aim of this study was to improve the mechanical stability of biopolymer carriers and cell viability with addition of chitosan coating during fermentation process and product storage. Dairy starter culture (1% (w/v)) ...
Estimation of GHG emission in Serbia for period 1995-2013 using recurent neural networks / Emisije gasova staklene bašte u Srbiji za period 1995-2013. godina primenom rekurentnih neuronskih mreža
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2015)
The aim of this work was to create an ANN model for the prediction of GHG emissions in the Republic of Serbia in the period 1995-2013. Because of the lack of GHG emission data and inputs for Serbia, the ANN model was ...
Quality, sources and balancing of iron and steel scrap / Kvalitet, izvori i bilansiranje otpadaka gvožđa i čelika
(Savez inženjera i tehničara Srbije, Beograd, 2015)
Besides iron ore, the main raw material of iron and steel production is steel scrap. This paper presents the quality and sources of creation the iron and steel scrap and estimation of their creation in the future. The ...
Mechanochemically assisted solid-state and citric acid complex syntheses of Cu-doped sodium cobaltite ceramicsh
(Elsevier Science Sa, Lausanne, 2015)
In the last decade, the sodium cobaltite ceramic became a promising candidate for potential thermoelectric applications, because of its large thermopower and low resistivity. In this work, polycrystalline samples of ...
Surface characterization of mesoporous carbon cryogel and its application in arsenic (III) adsorption from aqueous solutions
(Elsevier, 2015)
Resorcinol-formaldehyde (RF) cryogels were synthesized by sol-gel polycondensation of resorcinol with formaldehyde and freeze-drying was carried out with t-butanol. Carbon cryogel (CC) was obtained by pyrolyzing RF cryogels ...