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Приказ резултата 41-50 од 93
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 ...
Crystallization and sinterability of lanthanum-strontium-borate-glass powders / Kristalizacione karakteristike i sinterabilnost prahova lantan-stroncijum-boratnih stakala
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2017)
The subject of this doctoral thesis is the study of the crystallization behavior and the sinterability of the borate glasses system La2O3-B2O3-SrO. In literature there are limited data from the crystallization characteristics ...
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 ...
The influence of modification methods on physico-chemical and sorption properties of sepiolite Umnoženo za odbranu. / Proučavanje uticaja različitih postupaka modifikacije na fizičko-hemijske karakteristike i sorpciona svojstva sepiolita
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2012)
The aim of this study was to investigate the influence of modification of natural sepiolite using: 3-mercaptopropyltrimethoxysilane (HS(CH2)3Si(OCH3)3), [3-(2- aminoethylamino)propyl]trimethoxysilane ((CH3O)3Si(CH2)3NH(CH2)2NH2)), ...
Integration of human and organizational factors in the risk and integrity assessment model for pressure equipment / Integracija ljudskih i organizacionih faktora u model procene rizika i integriteta opreme pod pritiskom
(Univerzitet u Beogradu, Mašinski fakultet, 2018)
The goal of this doctoral dissertation is establishing of an the original methodology for risk assessment of the pressure equipment, based on fracture mechanics, and influence of human and organisational factors. The ...
Determination of anisomycin by liquid chromatography with tandem mass spectrometry and electrochemical methods and application to investigation of drug stability and its distribution in rat tissues / Određivanje anizomicina tečnom hromatografijom sa tandem masenom spektrometrijom i elektrohemijskim metodama i primena na ispitivanje stabilnosti leka i njegove raspodele u tkivima pacova
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2018)
Drug anisomycin is a potential immunosuppressant in low doses (≤ 0.1 μM). It also has the potential use as a psychopharmaceutical and an anticancerous drug, and in the recent investigations it was shown that it is a potential ...
Sinteza i karakterizacija polimernih hidrogelova na bazi akrilata za uklanjanje teških metala iz vodenih rastvora
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
In the first part of this work hydrogels based on 2-hydroxyethyl acrylate and itaconic acid P(HEA/IA) were prepared by free radical cross-linking copolymerization. In order to investigate the influence of the hydrogel ...
Thermodynamic and transport properties of biodiesel and biodiesel and petro-diesel blends at high pressures. / Termodinamička i transportna svojstva biodizela i njihovih smješa sa dizel gorivom na visokim pritiscima
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
In the doctoral dissertation the establishment of a new apparatus and the introduction of the procedure for the high pressure density measurements in the compressed liquid regions was presented. The operation of the apparatus ...
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 ...
Application of nonlinear frequency response method for investigation of equlibrium and kinetics of gas-solid adsorption / Primena nelinearne frekventne metode na ispitivanje ravnoteže i kinetike adsorpcionih sistema gas-čvrsto
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
The understanding of complex kinetic mechanisms of gas-solid adsorption is a challenging issue. The Frequency Response (FR) method, which has commonly been used for studying the kinetics of adsorption, analyzes the frequency ...