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Prikaz rezultata 61-70 od 94
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 ...
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 ...
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 ...
Investigation of structural effects on the anticonvulsant activity of 3,5-disubstituted-5-phenylhydantoins by the linear solvation relationship method / Prоučаvаnjе uticаја strukturе nа аntikоnvulzivnu аktivnоst 3,5-disupstituisаnih-5-fеnilhidаntоinа mеtоdоm linеаrnе kоrеlаciје еnеrgiје sоlvаtаciје
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2012)
U cilјu prоučаvаnjа еfеkаtа sоlvаtаciје nа fаrmаkоlоškа svојstvа dеrivаtа hidаntоinа u оvоm rаdu su sintеtisаnе dvе sеriје јеdinjеnjа: а) 5-supstituisаni-5-fеnilhidаntоini, kојu čini 11 dеrivаtа, kоd kојih su rаzličitе ...
Kinetics and mechanism of silver release from nanocomposite Ag/alginate hydrogels for different applications / Kinetika i mehanizam otpuštanja srebra iz nanokompozitnih Ag/alginatnih hidrogelova za različite primene
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2017)
Nanocomposite alginate hydrogels with incorporated silver nanoparticles are attractive for medical applications such as antimicrobial wound dressings and soft tissue implants. These nanocomposites provide stabilization and ...
Multifunctional properties of textile materials modified with titanium dioxide nanoparticles / Multifunkcionalna svojstva tekstilnih materijala modifikovanih nanočesticama titan-dioksida
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2011)
In the theoretical part of this thesis, the potentials of different nanoparticles to modify the textile materials are discussed. A review of possible applications of TiO2 nanoparticles onto textile materials is given. ...
Antimicrobial activity of surface activated sorbents modified by metal ions / Antimirkobno dejstvo površinskih aktiviranih sorbenata modifikovanih jonima metala
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2016)
The research topic of this doctoral thesis is focused on the surface modifications of materials used in antimicrobial water treatment. The surface change of the material and the presence of varying functional groups are ...
Synthesis and properties of methacrylic acid based hydrogels modified with zeolites / Sinteza i svojstva hidrogelova na bazi metakrilne kiseline modifikovanih zeolitima
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2012)
In the first part of this work hydrogels based on partially and completely neutralized methacrylic acid were synthesized by free-radical polymerization and crosslinking at 80 °C, conventionally and in microwave field. By ...
Alkaline lead in an innovative recycling process with pretreatment, stabilization and solidification / Olovna alkalna šljaka u inovativnom procesu reciklaže sa predtretmanom, stabilizacijom i solidifikacijom
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2019)
Alkaline lead slag is a waste generated in the pyrometallurgical process of the recycling of materials based on lead with the addition of a sodium(I)-carbonate (Na2CO3) as a flux. The doctoral dissertation includes ...
Liquid velocity in a three and two phase external loop airlift reactors / Brzina tečnosti u dvofaznim i trofaznim pneumatskim reaktorima sa spoljašnjom cirkulacijom
(Univerzitet u Beogradu, Tehnološko-metalurški fakultet, 2011)
In this paper, the influence of the geometry and the presence of the solid phase on the hydrodynamics of three-phase pneumatic reactor with external recirculation were theoretically and experimentally examined. Tests were ...