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Приказ резултата 3341-3350 од 3362
Complex sulphide-barite ore leaching in ferric chloride solution
(Association of Metallurgical Engineers of Serbia, 2016)
The results of research on the leaching process of complex sulphide-barite ore were presented in this paper. The leaching process was carried out in a laboratory autoclave by ferric chloride solution. Considering that those ...
Influence of the precursor chemical composition on heavy metal adsorption properties of hemp (Cannabis Sativa) fibers based biocarbon
(Srpsko hemijsko društvo, Beograd, 2017)
Waste hemp (Cannabis sativa) fibers were used as sustainable and renewable raw materials for production of low-cost biocarbon sorbent for heavy metals removal. Carbon precursors of different chemical composition were ...
Mechanochemically assisted solid-state and citric acid complex syntheses of Cu-doped sodium cobaltite ceramicsh
(Elsevier Science Sa, Lausanne, 2015)
In the last decade, the sodium cobaltite ceramic became a promising candidate for potential thermoelectric applications, because of its large thermopower and low resistivity. In this work, polycrystalline samples of ...
Pt supported on nano-tungsten carbide as a beneficial catalyst for the oxygen reduction reaction in alkaline solution
(Elsevier, 2012)
Platinum nanocatalyst at nano-tungsten carbide was synthesized, characterized and tested for oxygen reduction reaction (ORR) in 0.1 mol dm−3 NaOH, at 25 °C. Tungsten-carbide islands on nano-tungsten particles (WC) was ...
Surface characterization of mesoporous carbon cryogel and its application in arsenic (III) adsorption from aqueous solutions
(Elsevier, 2015)
Resorcinol-formaldehyde (RF) cryogels were synthesized by sol-gel polycondensation of resorcinol with formaldehyde and freeze-drying was carried out with t-butanol. Carbon cryogel (CC) was obtained by pyrolyzing RF cryogels ...
Estimation of GHG emission in Serbia for period 1995-2013 using recurent neural networks / Emisije gasova staklene bašte u Srbiji za period 1995-2013. godina primenom rekurentnih neuronskih mreža
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2015)
The aim of this work was to create an ANN model for the prediction of GHG emissions in the Republic of Serbia in the period 1995-2013. Because of the lack of GHG emission data and inputs for Serbia, the ANN model was ...
Synthesis of nanocrystalline nickel-ferrite in supercritical conditions and with use of starch microemulsion. / Sinteza nanaokristalnog nikl-ferita u natkritičnim uslovima i primenom skrobne mikroemulzije
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
Primary goal of the investigation carried out within this doctoral thesis was to assess the possibility to synthesize nano-crystalline powder of nickel-ferrite using novel reaction routes based on cheap and easily available ...
Activated carbon materials derived from hemp fibers in pesticide adsorption and water disinfection / Adsorpcija pesticida i dezinfekcija vode aktiviranim ugljeničnim materijalima na bazi vlakana konoplje
(Union of Textile Engineers and Technicians of Serbia, Belgrade, 2015)
By varying the parameters of carbonization and activation, different samples of hemp fibers based activated carbon were obtained. Optimal production conditions were selected based on the adsorption properties of activated ...
Synthesis and characterization of polymeric matrices based on 2-hydroxyalkyl acrylate and itaconic acid for controlled release of oxaprozin / Sinteza i karakterizacija polimernih matrica na bazi 2-hidroksialkil akrilata i itakonske kiseline za kontrolisano otpuštanje oksaprozina
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
In order to improve the efficiency of pharmacotherapy by development of the sophisticated drug delivery systems, two series of hydrogels were synthesized in this study. Hydrogels were synthesized by the free-radical ...
Kinetics of Chalcopyrite Leaching by Hydrogen Peroxide in Sulfuric Acid
(MDPI, Basel, 2019)
In ores, chalcopyrite is usually associated with other sulfide minerals, such as sphalerite, galena, and pyrite, in a dispersed form, with complex mineralogical structures. Concentrates obtained by flotation of such ores ...