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Prikaz rezultata 11-20 od 78
Polyphenols extraction from plant sources
(Institute for Medicinal Plants Research "Dr. Josif Pancic", 2017)
Different conventional (maceration and heat-assisted extraction) and new alternative techniques (ultrasound-assisted and microwave-assisted extractions) have been developed for the extraction of polyphenols compounds from ...
Risk maps for industrial occupational health and safety / Mape rizika za zdravlje i bezbednost na radu u industriji
(Univerzitet u Nišu, Niš, 2016)
Risk assessment is a complex process, of which the outputs are often to be used by decision makers for policy development and risk management. Risk communication in Environmental sciences is often made simpler using risk ...
Kompresija odevnih tkanina pre i posle termičkog fiksiranja međupostave / Compression of clothing woven fabrics before and after thermal fixation of the interlining
(Savez inženjera i tehničara tekstilaca Srbije, 2017)
U radu su ispitivana kompresiona svojstva odevnih tkanina pre i posle termičkog fiksiranja tkane međupostave. Kao eksperimentalni materijal korišćene su tkanine sirovinskog sastava pamuk/poliestar izrađene u keper 3/1S ...
The oxidation of anthraquinone dye using HRP immobilized as a cross-linked enzyme aggregates / Oksidacija antrahinonskih boja peroksidazom iz rena imobilisanom u obliku umreženih enzimskih agregata
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2016)
Finding a sustainable and ecofriendly methods for recalcitrant synthetic dyes removal is a researchers major challenge. A carrier-free technique for commercial HRP immobilization is a focus of the present study. The ...
Antioxidant activity in different morphological fractions of some cereal grains / Antioksidativna aktivnost različitih morfoloških frakcija zrna nekih cerealija
(Društvo za ishranu Srbije, Beograd, 2017)
The purpose of this study was to examine the antioxidant properties of 70% ethanolic extracts of cereal grains and their different morphological fractions. Wheat (Triticum durum L.), barley (Hordeum vulgare L.), rye (Secale ...
Automatic feeder for domestic and wild animals on pastures / Automatski uređaj za prihranu domaćih i divljih životinja na pašnjacima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2020)
This paper presents a prototype of an automatic feeder for domestic and wild animals in organic farming. A simple, self-contained domestic and wild animal feeder was presented that has fully autonomous operation for up to ...
Synthesis and characterization of the surface modified titanium dioxide/epoxy nanocomposites / Sinteza i karakterizacija nanokompozita na bazi površinski modifikovanih nanočestica titan-dioksida i epoksidne smole
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2015)
TiO2 nanoparticles, obtained by acid catalyzed hydrolysis of titanium isopropoxide, were surface modified by three gallic acid esters with different hydrophobic part length: octyl, decyl and lauryl gallate, and then used ...
The effect of bacterial isolates from rhizosphere soils on wheat and barley seed germination / Uticaj bakterijskih izolata iz zemljišta rizosfere na indukciju klijavosti semena pšenice i ječma
(Serbian Soil Science Society, Belgrade, 2019)
Soil microorganisms, which are usually found in plant rhizosphere, have a wide spectrum of beneficial effects on the promotion of plant growth. The most comprehensively studied bacteria with these effects belong to the ...
Landfill design in Serbia / Prilog tehnološkom projektovanju deponija u Srbiji
(University of Belgrade, Technical Faculty in Bor, 2015)
Waste disposal is an important element of integrated waste management. In order to dispose of waste that is free of environmental risk, the proper design of landfills during their construction and/or closure is necessary. ...
The effect of the cross-linker content on the swelling properties of intelligent gels / Efekat sadržaja umreživača na svojstva bubrenja inteligentnih gelova
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2014)
This paper presents the procedure for the synthesis of hydrogels based on N-isopropylacrylamide (NIPAM) and 2-hydroxypropyl methacrylate (HPMet) using dioxan as a solvent. Hydrogels were obtained by radical polymerization ...