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Prikaz rezultata 21-30 od 100
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. ...
The synthesis of fatty acid methyl esters from waste lard by homegeneously and heterogeneously catalyzed methanolysis / Sinteza metil estara masnih kiselina otpadne svinjske masti primenom homogeno i heterogeno katalizovane metanolize
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
In this doctoral dissertation the methanolysis of waste lard from piglet roasting in the presence of KOH, CaO or quicklime at moderate temperatures (below the boiling point of methanol) and the molar ratio of methanol:fatty ...
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 ...
Influence of agro-cellulose fibre based yarn structure on subsequent textile transformation and end-use properties / Uticaj strukture pređa na bazi agroceluloznih vlakana na njihovu dalju tekstilnu transformaciju i upotrebna svojstva
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2009)
In the past decades, the textile market was characterized by a wide range application of man-made fibres. The low-cost and efficient production of these fibres seems to be the main criterion. In addition to economics, some ...
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)), ...
Production and application of bioactive proteins and peptides from whey / Proizvodnja i primena bioaktivnih proteina i peptida surutke
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2017)
Bioactive peptides are a rapidly developing field of research. During the research it was observed that some peptides which do not show a particular bioactivity become bioactive after ingestion and passing through the ...
Study of the mechanisms of heavy metal sorption by mineral apatite: the feasibility of soil and ground water remediation / Izučavanje mehanizama sorpcije teških metala apatitom : mogućnost primene u remedijaciji zagađenog zemljišta i podzemnih voda
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2010)
In this work, the mechanisms of heavy metal sorption by two forms of mineral apatite were studied. The materials used include synthetic hydroxyapatite (HAP) and natural apatite from Lisina ore deposit (LA). The materials ...
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 ...