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Приказ резултата 1-10 од 15
Concept of English language as a lingua franca and its perception in the academic comunity of Serbia / Koncept engleskog jezika kao lingua franca i njegova percepcija u akademskoj zajednici u Srbiji
(Univerzitet u Beogradu, Filološki fakultet, 2015)
The aim of this doctoral thesis is to analyze and determine the perception and attitudes of the academic community in Serbia towards a variety of the English language, English as a lingua franca (ELF). ELF is a variety of ...
Impregnation of thymol on solid carriers using supercritical carbon dioxide / Impregnacija timola na čvrste nosače natkritičnim ugljenik(IV)-oksidom
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
The aim of this PhD thesis was to investigate the possibility of supercritical impregnation of pure thymol and thyme extract (Thymus vulgaris) into selected solid carriers in order to explore the possibility of developing ...
Kinetics of heterogeneous methanolysis of sunflower and used vegetable oil / Kinetika heterogene metanolize svežeg i korišćenog biljnog ulja
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
The synthesis of fatty acid methyl esters (FAME), i.e. biodiesel, in the methanolysis of triglycerides (TG) in the presence of solid catalyst was studied. Heterogeneous catalyst was synthesized by mechanochemical treatment ...
Katalitički materijali na bazi sistema Ni-Pd/Al2O3
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
This PhD thesis presents investigations on possibilities of development of synthesis method for monolythic catalytic materials based on Ni-Pd/Al2O3 system, where the calcination step is eliminated. Catalytic properties of ...
Izolovanje bioaktivnih jedinjenja iz otpadne kafe i njeno potpuno iskorišćenje kao adsorbenta
(Tehnološko-metalurški fakultet, Univerzitet u Beogradu, 2015)
Predmet ove disertacije je valorizacija otpadne kafe zaostale nakon pripreme napitaka i razmatranje mogućnosti njene praktične primene.
Kafa i njeni produkti, već godinama unazad, se smatraju nutritivno bogatim, usled ...
STRUKTURNE I SOLVATOHROMNE KARAKTERISTIKE 5-(ARILAZO)-3-CIJANO-6-HIDROKSI-4-METIL-1-SUPSTITUISANIH-2-PIRIDONA: EKSPERIMENTALNA I KVANTNO-HEMIJSKA PROUČAVANJA / STRUCTURAL AND SOLVATOCHROMIC PROPERTIES OF 5-(ARYLAZO)-3-CYANO-6-HYDROXY-4-METHYL-1-SUBSTITUTED-2-PYRIDONES: EXPERIMENTAL AND QUANTUM-CHEMICAL INVESTIGATIONS
(Tehnološko-metalurški fakultet, Univerzitet u Beogradu, 2015)
U okviru disertacije, sintetisane su tri serije arilazo piridonskih boja: 5-(arilazo)-3-cijano-1-etil-6-hidroksi-4-metil-2-piridoni, 5-(arilazo)-3-cijano-6-hidroksi-4-metil-2-piridoni i 5-(4-arilazo)-3-cijano-6-hidroksi- ...
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 ...
Synthesis and characterization of materials obtained by modification of natural zeolite (clinoptilolite) and phosphate based microporous materials with zeolitic structure / Sinteza i karakterizacija materijala nastalih modifikacijom zeolita (klinoptilolita) i mikroporoznih fosfata sa strukturom zeolita
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
In the first part of the dissertation, the possibility of modifying the zeolitic tuff from the mine Zlatokop (near Vranjska Banja) was investigated in order to obtain new adsorbents. The second part presents the possibility ...
Kinetic modeling and oprimization of fixed-bed reactor for Fischer-Tropsch synthesis
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
Fischer-Tropsch synthesis (FTS) is a heterogeneously catalyzed chemical reaction in which a mixture of hydrogen and carbon-monoxide is converted into an array of hydrocarbon products. These products can be used as synthetic ...
Production and characterization of nanocomposite hydrogels based on alginate and silver nanoparticles for biomedical applications / Dobijanje i karakterisanje nanokompozitnih hidrogelova na bazi alginata i nanočestica srebra za primenu u biomedicini
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2015)
Development of novel nanocomposite biomaterials for biomedical applications requires comprehensive evaluation and characterization of biomaterials such as determination of the chemical composition, physical properties, ...