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Prikaz rezultata 1-10 od 3075
Comparison of properties of silver-metal oxide electrical contact materials
(Technical Faculty, Bor, 2012)
Changes in physical properties such as density, porosity, hardness and electrical conductivity of the Ag-SnO2 and Ag-SnO2In2O3 electrical contact materials induced by introduction of metal oxide nanoparticles were investigated. ...
Possible Mechanism of Pectin-Derived Oligosaccharides Influence on Gut Microbiota / Predloženi mehanizam uticaja oligosaharida dobijenih iz pektina na intestinalnu mikrobiotu
(Belgrade: University of Belgrade, 2018)
We prepared pectin-derived oligosaccharides (apple and citrus) and polygalacturonic acid-derived oligosaccharides, using alkaline hydrolysis by hydrogen peroxide, and analyzed them by Fourier Transform Infrared spectrometry. ...
Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution
(Esg, Belgrade, 2016)
Catalytic properties of polycrystalline gold, Au(poly), were examined for the oxygen reduction reaction in alkaline solution using the rotating disc electrode technique. On electrochemically prepared Au(poly), oxygen ...
Biodiversity overview of soda pans in the Vojvodina region (Serbia)
(Geographical Institute "Jovan Cvijic", SASA, 2018)
Due to their specific physical and chemical properties of water and soil soda pans of the
Vojvodina region represent a unique type of habitats. Salinity is a major structuring factor which
strongly affects species richness. ...
Al,Fe,Ni-pillared bentonite in the catalytic wet peroxide oxidation of the textile dye Acid Yellow 99
(Springer Netherlands, 2018)
The main goal of this work was to prove that nickel containing Al,Fe pillared bentonites have enhanced catalytic properties. The chosen test system was the catalytic wet peroxide oxidation (CWPO) the Acid Yellow 99 dye ...
Mechanochemical Preparation of CaO·ZnO – catalyst for Fatty Acids Methyl Esters Synthesis
(Belgrade : Serbian Ceramic Society, 2012)
One of the catalysts that show excellent activity in the methanolysis of vegetable oil under moderate reaction conditions is the mixture of CaO and ZnO oxides. In this study CaO•ZnO catalyst was synthesized by mechanochemical ...
The kinetics of the hydrogen oxidation reaction on WC/Pt catalyst with low content of Pt nano-particles
(Elsevier, 2012)
The catalytic activity of WC/Pt electrocatalysts towards hydrogen oxidation reaction (HOR) in acid solution was studied. Tungsten carbide (WC) prepared by polycondensation of resorcinol and formaldehyde in the presence of ...
Diatoms – invisible residents of Resavska Cave (eastern Serbia)
(Postojna, Slovenia : Organizing Commitee, 2nd Dinaric Symposium on Subterranean Biology, 2019)
Diatoms (Bacillariophyta) are widespread microorganisms that were found in different aquatic ecosystems, but also in other habitats, such as stone substrates exposed to air. There diatoms thrive with other phototrophic ...
Influence of the Organoclay Content on the Structure, Morphology, and Surface Related Properties of Novel Poly(dimethylsiloxane)-Based Polyurethane/Organoclay Nanocomposites
(American Chemical Society (ACS), 2017)
Novel poly(dimethylsiloxane)-based polyurethane nanocomposites (TPU-NCs) were synthesized using in situ polymerization with the nanoclay Cloisite 30B. Differential scanning calorimetry, thermogravimetric analysis, and ...
Phenolic profile of some fruit wines and their antioxidant properties
(Association of Chemical Engineers of Serbia, 2016)
The composition and content of individual phenolic compounds in various fruit wines and overall antioxidant properties of these fruit wines were studied. Phenolic compounds were separated by reverse phase (RP) HPLC techniques, ...