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Приказ резултата 11-20 од 90
Determination of inorganic anions in herbal tea infusions using ion chromatography / Određivanje neorganskih jona u rastvoru biljnih čajeva jonskom hromatografijom
(Serbia : Matica srpska, 2018)
The ionic content was examined in nine aqueous tea extracts in which time of boiling, acidification of the medium using lemon juice and way of preparation were observed as factors. Ion chromatography was used for determination ...
Chemical and electrochemical dissolution of chromium at room and elevated temperatures / Hemijsko i elektrohemijsko rastvaranje hroma na sobnoj i na povišenim temperaturama
(Institut za rudarstvo i metalurgiju Bor, 2015)
The influence of temperature on electrochemical and chemical dissolution of chromium was studied in the acidic sulphuric solutions. The hydrogen evolution reaction, as well as the anodic dissolution and chemical dissolution ...
Mechanical and electrical properties of ternary Ag-Bi-Ga system at 250 °C
(Serbia : Association of Metallurgical Engineers of Serbia, 2017)
This paper presents a comparative review of the experimental and thermodynamic assessment of a ternary Ag-Bi-Ga system. An isothermal section at 250 °C was calculated using optimized thermodynamic data for the constitutive ...
Catalytic activity of sulfuric acid on the morphology of electrochemically obtained copper powder / Katalitičko delovanje sumporne kiseline na morfologiju elektrohemijski dobijenog bakarnog praha
(Belgrade, Serbia : Engineering Society for Corrosion, 2015)
The subject of the research is influence of sulfuric acid on morphology of electrochemically obtained copper powder during galvanostatic electrolysis mode. In this paper electrodeposition of copper powder from sulphate ...
The extract of fennel fruit as a potential natural additive in food industry / Ekstrakt ploda morača kao potencijalni prirodni aditiv u prehrambenoj industriji
(Poljoprivredni fakultet, Beograd, 2018)
In this study, the polyphenol profile and antioxidant activity of the hydro-ethanolic extract of the fennel fruit were examined in order to investigate the possibility of its application as a potential functional food ...
Methods of decreasing losses in optical metamaterials
(Niš, Srbija : Univerzitet u Nišu, 2018)
In this work we review methods to decrease the optical absorption losses in metamaterials. The practical interest for metamaterials is huge, but the possible applications are severely limited by their high inherent optical ...
Analysis of efficiency and reaction rate degradation of cyanide under the influence of current density on steel electrodes / Analiza efikasnosti i brzine reakcije uklanjanja cijanida u zavisnosti od gustine struje na čeličnim elektrodama
(Belgrade, Serbia : Engineering Society for Corrosion, 2013)
Electrolytic treatment of wastewater is a technique in which wastewater is treated by applying electric current through electrodes in the electrochemical reactor. This is actually a combination of many processes such as ...
Ternary Bi-Cu-Ni alloys – thermodynamics, characterization, mechanical and electrical properties
(Serbia : Association of Metallurgical Engineers of Serbia, 2017)
The Bi–Cu–Ni ternary system belongs to the group of potential Cu-Ni-based advanced lead-free solder materials for high temperature application. The paper shows results of the thermodynamic calculations using general solution ...
Wear resistance improvement of thermal plant fan mill impact plates based on numerical flow simulation
(Society for Structural Integrity and Life, Institute for Material Testing, 2017)
Numerical simulation of 3D multiphase flow is performed to determine the velocity field in the fan mill. The mixture model of the Euler-Euler approach is used. Recirculating gas is a primary phase that carries granular ...
Influence of process parameters on properties of the 4a zeolite with X-ray and FT-IR instrumental methods characterization / Uticaj procesnih parametara na osobine 4a zeolita uz karakterizaciju X-ray i FT-IR instrumentalnim metodama
(Inženjersko društvo za koroziju, 2018)
For more than three decades 4A zeolite has been an irreplaceable ingredient of powder
detergents, but there is still striving to it’s improvement in order to meet the ever more stringent
market and environmental ...