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Now showing items 41-50 of 101
Obtaining of nanostructured powders for production of new dispersion strengthened sintered material in the system Cu-Al2O3 / Dobijanje nanostrukturnih prahova u cilju proizvodnje novih disperzno ojačanih sinterovanih materijala u sistemu Cu-Al2O3
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2009)
This PhD thesis presents the possibility of nanostructured composite materials based on copper and alumina synthesis trough a new method, which is a combination of thermo-chemical synthesis and mechanical alloying. ...
Application of supercritical carbon dioxide in fabrication of materials with repellent properties based on pyrethrins / Primena natkritičnog ugljenik(IV)-oksida za dobijanje materijala sa repelentnim svojstvima na bazi piretrina
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2018)
This PhD thesis was aimed to investigate the possibility of supercritical solvent impregnation (SSI) of selected polymer materials (cotton fabric, polypropylene (PP) non-woven fabric, polyamide (PA) polymers (fabric, ...
Reduction of volatile organic compounds emissions in crude oil industry by cleaner production principles. / Smanjenje emisija lakoisparljivih organskih jedinjenja u industriji prerade nafte primenom čistije proizvodnje
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
Crude oil and its derivates are a significant source of VOC, i.e., volatile organic compounds. A goal of this research is to set a base for VOC emission reduction through engineering design and proactive actions as a cleaner ...
Production and characteristics of functional fermented whey based beverages / Proizvodnja i karakteristike funkcionalnih fermentisanih napitaka na bazi surutke
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
Number of whey based products on the market is negligible compared to the number of fermented dairy products, which suggests that the improvement of the whey fermentation process could result in new unconventional products ...
Optimization of the extraction process from Thymus serpyllum L. herb, biological activities and encapsulation of extracts / Optimizacija procesa ekstrakcije herbe Thymus serpyllum L., biološke aktivnosti i inkapsulacija ekstrakata
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2018)
Thymus serpyllum L. (Lamiaceae), well-known as wild thyme, is a perennial subshrub, abundant in polyphenols compounds, which possess antioxidant, antimicrobial, antihypertensive, antispasmodic, antiinflammatory, anticarcinogenic, ...
Modification of poly(methyl methacrylate) denture base materilas with diesters of itaconic acid / Modifikacija poli(metil metakrilatnih) materijala za baze zubnih proteza diestrima itakonske kiseline
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2012)
The aim of this work is to examine the possibility of modification of commercial denture base materials with itaconic acid esters, in order to obtain a higher degree of material biokompatibility. In the first part of this ...
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 ...
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 ...
Removal of textile dyes from water by photocatalytic degradation in the presence of titanium dioxide nanoparticles immobilized onto chitosan and alginate based hydrogels. / Uklanjanje boja za tekstil iz vode fotokatalitičkom degradacijom u prisustvu nanočestica titan-dioksida imobilisanih na hidrogelove hitozana i alginata
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
The aim of this Ph.D. thesis was to investigate the possibility of immobilization of titanium dioxide (TiO2) nanoparticles onto/into hydrogels as carriers, as well as the photodegradation of textile dyes from aqueous ...