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Prikaz rezultata 51-60 od 101
Nanostructured platinum based catalysts for electrooxidation of small organic molecules prepared by microemulsion method / Nanostruktuirani platinski katalizatori za elektrohemijsku oksidaciju malih organskih molekula sintetizovani mikroemulzionim postupkom
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2019)
Development of novel materials that would enable the commercialization of fuel cell technology and contribute to reduction of fossil fuel usage in energy production is of great importance for the progress of modern society. ...
Synthesis of liposoluble carboxylic acid ascorbyl esters catalyzed by immobilized lipases / Sinteza liposolubilnih askorbil-estara karboksilnih kiselina katalizovana imobilisanim lipazama
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
In this thesis, possibility of efficient and economical production of carboxylic acid ascorbyl esters catalyzed by immobilized lipases was examined. Vast number of lipases, acyl donors, and organic solvents was tested. ...
Activity coefficients of ternary aqueous solutions of electrolytes with common potassium ion at T = 298.15 K. / Koeficijenti aktivnosti u trokomponentnim vodenim rastvorima elektrolita sa zahedničkim kalijum jonom na T=298,15 K
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2014)
The object of this work is the study of thermodynamic properties of ternary aqueous solutions of electrolytes with common, potassium cation: {yKCl+(1-y)K2HPO4}(aq), {yKNO3+(1-y)K2HPO4}(aq), {yKBr+(1-y)K2HPO4}(aq) at ...
Preparation of biologically active polyphenols by utilising the primrose (Primula veris), the horsetail (Equisetum arvense) and the yarrow (Achillea millefolium) processing waste. / Iskoričćenje otpada iz prerade jagorčevine (Primula veris), rastavića (Equisetum arvense) i hajdučke trave (Achillea millefolium) za dobijanje biološki aktivnih polifenola
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2017)
The subject of this dissertation is the utilization of waste materials from the processing of primrose (Primula veris), horsetail (Equisetum arvense) and yarrow (Achillea millefolium) for obtaining biologically active and ...
Investigation of the influence of processing parameters on the properties of bioceramic materials based on calcium hydroxyapatite and calcium phosphate obtained by different sintering technique / Ispitivanje uticaja parametara procesiranja na svojstva biokeramičkih materijala na bazi kalcijum-hidroksiapatita i kalcijum-fosfata dobijenih različitim tehnikama sinterovanja
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2010)
Calcium phosphate bioceramics materials based on hydroxyapatite (HAP) and tricalcium phosphate (TCP), due to their chemical composition, excellent biocompatibility, bioactivity and osteoconduction have received considerable ...
Electrochemical and surface characterization of ternary alloys of the system Ag-Cu-Zn in near neutral chloride solutions. / Elektrohemijska i površinska karakterizacija trokomponentnih legura sistema Ag-Cu-Zn u blisko neutralnim hloridnim rastvorima
(Univerzitet u Beogradu, Tehnički fakultet, Bor, 2015)
Alloys of the Ag-Cu-Zn system with wide range of silver content, selected to have similar phase compositions, were the subject of the research. Metals for all examined alloys are obtained by recycling of electronic waste. ...
Production of lactic acid and probiotic biomass on distillery stillage / Proizvodnja mlečne kiseline i probiotske biomase na destilerijskoj džibri
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2013)
Lactic acid is a significant chemical for food, cosmetic, pharmaceutical and chemical industry. Currently, Serbia imports lactic acid and utilization of distillery stillage, a waste water from bioethanol production, as a ...
Determination of drug residues in water by liquid chromatography – tandem mass spectrometry / Određivanje tragova lekova u vodi metodom tečne hromatografije sa tandem masenom spektrometrijom
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2009)
The presence of drug residues in the environment has become a subject of growing concern in the past decade. Wastewater treatment plants are not designed to remove drugs from the effluents and consequently they are released ...
Isobaric liquid heat capacity correlation and prediction models development / Razvoj modela za korelisanje i predskazivanje vrednosti izobarskog toplotnog kapaciteta tečnosti
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2009)
Review and comparation (analyze) of the litetrature and new models for correlation and prediction of isobaric heat capacity of the pure liquids. Newly formed databases and computer programs for maipulation with them are ...
Determination of equilibrium and thermodynamic parameters of the new generation of green solvents toward industrial applications / Određivanje ravnotežnih i termodinamičkih parametara nove generacije zelenih rastvarača u cilju industrijske primene
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
Industrial development during the last century has contibuted to pollution problem and depletion of fossil stocks due to unefficient processes which require more energy and chemicals. Sustainable processes in the future ...