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Приказ резултата 11-20 од 41
Ultrasound-assisted extraction of polyphenols from Thymus serpyllum and its antioxidant activity
(Savez hemijskih inženjera, Beograd, 2016)
The present study was designed to establish and optimize a method for extracting natural bioactive compounds from Thymus serpyllum which possess antioxidant, antimicrobial, antispasmodic and stimulant properties. ...
Failures of Brass Condenser Tubes / Lomovi kondenzatorskih cevi od mesinga
(Institut za ispitivanje materijala, Beograd, 2016)
Causes of failure of brass condenser tubes (CuZn28Sn1) in a thermal power plant in Serbia are analysed. Results of testing by Fourier transformed infrared spectroscopy (FTIR) have indicated the presence of ammonia and ...
Testing of the functional garments with microencapsulated phase-change material in simulated high temperature conditions
(Savez hemijskih inženjera, Beograd, 2016)
An organic phase change material (PCM) possesses the ability to absorb and release large quantity of latent heat during a phase change process over a certain temperature range. This paper presents results related to ...
Improvement of antioxidant properties of egg white protein enzymatic hydrolysates by membrane ultrafiltration
(Savez hemijskih inženjera, Beograd, 2016)
The production of bioactive peptides from egg white proteins (EWPs) and their separation are emerging areas with many new applications. The objective of this study was to compare antioxidant activity of three distinct EWP ...
Induction of wheat straw delignification by Trametes species
(Nature Publishing Group, London, 2016)
Wheat straw is the major crop residue in European countries which makes it the most promising material for bioconversion into biofuels. However, cellulose and hemicellulose are protected with lignin, so delignification is ...
Effects of friction-welding parameters on the morphological properties of an al/cu bimetallic joint
(Inst Za Kovinske Materiale I In Tehnologie, Ljubjana, 2016)
The objective of this research is to consider the effects of certain parameters of the friction-welding process on the morphology of an aluminum/copper joint. The effect of the following parameters was monitored: the ...
Alkyd nanocomposite coatings based on waste pet glicolyzates and modified silica nanoparticles / Alkid nanokompozitni premazi bazirani na otpadnim pet glikolizatima modifikovani nanočesticama silike
(Engineering Society for Corrosion, Belgrade, Serbia, 2016)
Synthesis of high-performance alkyd resins (ARs) based on waste poly(ethylene terephthalate) (PET) glycolyzates is presented. PET glycolyzates were synthesized by catalytic depolymerization with trimethylolpropane (TMP) ...
The impact of wood fiber surface modification on physical properties of wood-polymer composites / Uticaj modifikacije površine vlakana drveta na mehanička svojstva kompozita polimer-drvo
(Savez inženjera i tehničara Srbije, Beograd, 2016)
In this paper, the impact of wood fiber surface modification on mechanical properties of poly-(methyl methacrylate)(PMMA)-wood composite was examined. FTIR analysis has shown that the wood fiber surface modification was ...
Antibacterial and antifungal potential of wild basidiomycete mushroom Ganoderma applanatum / Antibakterijski i antifungalni potencijal gljive Ganoderma applanatum bazidiomicete iz prirode
(Institute for Medicinal Plants Research "Dr. Josif Pancic", 2016)
Hot water extract (AN), partially purified polysaccharides (AP) and hot alkali extract (ANa) obtained from wild mushroom G. applanatum were examined for their antibacterial and antifungal activity. Five Gram negative ...
Differentiation between Pseudomonas and Stenotrophomonas species isolated from fish using molecular and MALDI-TOF method / Diferencijacija Pseudomonas i Stenotrophomonas vrsta izolovanih iz riba primenom molekularnih metoda i MALDI-TOF metode
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2016)
For the purpose of precise antibiotic susceptibility testing it is necessary to clearly distinguish Pseudomonas and Stenotrophomonas genera, considering acquired resistance of Pseudomonas species, as well as the intrinsic ...