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Prikaz rezultata 51-60 od 101
Agro-industrial waste as a substrate for production of lactic acid, microbial biomass and animal feed / Agro-industrijski otpad kao supstrat za proizvodnju mlečne kiseline, mikrobne biomase i hrane za životinje
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2019)
Lactic acid has been widely used in food, cosmetics, pharmaceutical and chemical industry. In recent years, the most important application of lactic acid is in production of poly-lactic acid (PLA) polymers, which are most ...
Synthesis and characterisation of hybrid polymer composite materials based on wood. / Sinteza i karakterizacija hibridnih polimernih kompozita na bazi drveta
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2019)
The focus of this doctoral dissertation is the preparation and characterization of wood-plastic composites (WPC), whereby a new method of obtaining hybrid polymer composites based on wood from solution and forming the final ...
Swelling of plant material under the influence of supercritical carbon dioxide – mathematical modelling and optimization of the process of supercritical fluid extraction / Bubrenje biljnog materijala pod uticajem natkritičnog ugljenik(IV)-oksida - matematičko modelovanje i optimizacija procesa natkritične ekstrakcije
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2010)
The subject of this disertation is the swelling of plant material under the influence of supercritical carbon dioxide, as well as the effects of swelling on the process of supercritical fluid extraction (SFE). The results ...
Obtaining, characterization and optimization of hypolipidemic extracts of lemon balm (Melissa officinalis) and fenugreek (Trigonella foenum-graecum) using supercritical carbon dioxide / Dobijanje, karakterizacija i optimizacija hipolipemijskih ekstrakata matičnjaka (Melissa officinalis) i grčkog semena (Trigonella foenum-graecum) natkritičnim ugljenik (IV)-oksidom
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
Synthetic hypolipemics nowdays have being replaced by natural ones due to the noticed deficiencies and side effects of synthetic drugs. Great effort is being devoted to the search for alternative and cheaper sources of ...
Experimental measuring and modelling of thermodynamic properties of multicomponent liquid mixtures of esters and alcohols present in vine production. / Eksperimentalno određivanje i modelovanje termodinamičkih svojstava višekomponentnih tečnih smeša estara i alkohola prisutnih u proizvodnji vina
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2017)
The theoretical significance of the study of thermodynamic properties of liquid mixtures is reflected in the expansion of the database due to new experimental values, and deepening of knowledge in the theory of solution. ...
Structure and fracture of medium carbon microalloyed steel / Struktura i lom u srednjeugljeničnim mikrolegiranim čelicima
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2013)
Two medium carbon vanadium microalloyed foring steels with different content of carbon and titanium were investigated. Broad goals were to examine transformational behavior of the steels on continuous cooling at still air ...
Surface modification of cellulose fibers using dielectric barrier discharge / Modifikovanje površine celuloznih vlakana primenom dielektričnog barijernog pražnjenja
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
In the theoretical part of doctoral dissertation, the most significant literature data concerning cellulose structure and properties have been systematically reviewed. Special attention has been given to the possibilities ...
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 ...