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Possibility of achieving an acceptable response rate of gas-filled surge arresters by substitution of alpha radiation sources by selection of electrode material and the electrode surface topography
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2020)
The possibility of substituting the usage of a radioactive a-source to improve the characteristics of the gas surge arrester is considered in this paper. The solution to this problem is sought in the engineering of the ...
Supercritical CO2 extraction of steroidal sapogenins from fenugreek (tngonella foenum-graecum l.) Seed
(Savez hemijskih inženjera, Beograd, 2020)
Supercritical CO2 extraction was applied on fenugreek (Trigonella foenum-graecum L., Fabaceae) seeds with the aim to define optimal process conditions to obtain the maximal extract yields content of steroidal sapogenins. ...
Efficient replacement of the radioactive sources in the gas-filled surge arresters construction for the insulation co-ordination at the low voltage level
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2020)
The possibility of the classical response rate engineering and the long-term deconditioning of the gas-filled surge arresters is considered in this paper. The obtained results are compared with the same results obtained ...
Carbon Supported PtSn versus PtSnO2 Catalysts in Methanol Oxidation
(International Journal of Electrochemical Science, 2021)
Pt, PtSn and PtSnO2 catalysts supported on high surface area carbon synthesized by microwave assisted polyol procedure were tested for methanol oxidation. Based on TGA, EDX and XRD analysis, PtSn/C is composed of Pt and ...
Thermo-responsive hydrogels based on poly(N-isopropyl- acrylamide) and hyaluronic acid cross-linked with nanoclays
(Srpsko hemijsko društvo, Beograd, 2020)
Semi-interpenetrating polymer networks (SIPN) based on thermo-responsive poly(N-isopropylacrylamide) (PNIPA) and water-soluble sodium salts of linear hyaluronic acid (Na-HA) were physically cross-linked with synthetic ...
A survey on the characterization and biological activity of isatin derivatives
(Srpsko hemijsko društvo, Beograd, 2020)
The derivatives of isatin have already been known to display a variety of biological activities. Therefore, the studies on their activity and its relation to structure have recently become a popular subject for investigation. ...
The interrelationship among non-alcoholic fatty liver disease, colonic diverticulosis and metabolic syndrome
(Romanian Society of Gastroenterology, 2021)
Non-alcoholic fatty liver disease and colonic diverticulosis are widespread, obesity-related diseases. It has
recently become clear that non-alcoholic fatty liver disease is a systemic disease ...
Influence of temperature and plastic deformation on AA2024 T3 friction stir welded joint microstructure
(VINČA Institute of Nuclear Sciences, 2023)
This paper deals with analysis and comparison of the equivalent plastic strain and temperature fields in the aluminium alloy 2024 T3 welded joint, with macro/microstructure appearance and hardness profile. In the alloys ...
On the Question of Energy and Power Potentials of the Electrode Materials in the Rechargeable Cells
(International Journal of Electrochemical Science, 2021)
The paper considers galvanostatic discharge of different rechargeable cells. In the first part of the paper, the useful mathematical equations for the calculation of voltage, capacity, capacitance, energy, and power is ...
Utilization of agro-industrial by-products as substrates for dextransucrase production by Leuconostoc mesenteroides T3: process optimization using response surface methodology
(Hemijska industrija, 2021)
Dextransucrase (DS) is a glucosyltransferase (E. C. 2.4.1.5) that catalyzes the transfer of glucosyl residues from sucrose to dextran polymer and liberates fructose. This enzyme isassociated with a wide application range ...