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Приказ резултата 31-40 од 137
Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates / Eliminacija tunela pri zavarivanju trenjem alatom legure Al 5052-H32
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2012)
Some experiences in elimination of tunnel type defect Friction Stir Welding of Al alloy 5052-H32 are presented in this paper. In order to evaluate the influence of the processing parameter (ratio between rotation and ...
Influence of characteristics of particles and fluid on gas-liquid oxygen mass transfer and bubble distribution in three-phase system / Uticaj karakteristika čestica i fluida na prenos mase kiseonika iz gasne u tečnu fazu i distribuciju mehurova u trofaznom sistemu
(Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd, 2013)
This paper presents the study of bubble distribution and volumetric mass transfer coefficient, kLa, in a three-phase system with spherical particles of glass and ceramic and non-spherical particles of ceramic and zeolite. ...
Savremeni čelici - dvojnikovanjem izazvana plastičnost
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2014)
A significant increase in the research activity dedicated to high manganese TWIP steels has occurred during the past few years, motivated by the breakthrough combination of strength and ductility possessed by these alloys. ...
Competitive sorption of silver, zinc and copper ions on different types of sorbent / Komparativna sorpcija jona teških metala na različitim tipovima sorbenata
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2015)
In this master thesis the sorption of heavy metals on activated carbon and zeolite was analyzed. The chosen heavy metals (Ag+, Cu2+, Zn2+) have been analyzed separately and as a mixture in order to check their sorption ...
Dioxins in soil: Sources of pollution and distribution / Dioksini u zemljištu - izvori zagađenja i raspodela
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2013)
The term dioxins is commonly used to refer to group of polychlorinated organic compounds, that includes 75 congeners of dibenzo-p-dioxins (PCDDs) and 135 congeners of dibenzo-furans (PCDFs). They are classified as the most ...
Fluorescence analysis of liposomal membranes permeability / Fluorimetrijska analiza permeabilnosti lipozomalnih membrana
(Savez inženjera i tehničara Srbije, Beograd, 2019)
The present study provides insight into changes in the liposomal membrane fluidity as a result of variation of structural components (two types of standard phospholipids - 1,2-dipalmitoyl-sn-glycerero3-phosphocholine, i.e. ...
Impact of supercritical drying with excess solvent on textural properties of Ti-HMS catalyst support / Vozdejstvie suški v izbytke sverhkritičeskogo rastvoritelja na teksturnye harakteristiki nositelja katalizatora Ti-HMS / (francuski) Influence du séchage dans l'excès du solvant supercritique sur les caractéristiques texturales du support de catalyseur Ti-HMS)
(Military Technical Institute, Belgrade, 2017)
Textural characteristics of catalysts and catalysts supports are of a prime importance when it comes to their application in processing of high molecular weight compounds. Drying procedure is a key factor in preservation ...
Stimuli-sensitive hydrogels for pharmaceutical and medical applications / Hidrogelovi osetljivi na spoljne stimulanse za farmaceutsku i medicinsku primenu
(Univerzitet u Nišu, Niš, 2011)
Hydrogels are three-dimensional cross-linked hydrophilic polymers that swell in water and aqueous solutions without dissolving in them. They are very sensitive to environmental stimulus, which is manifested by a sharp phase ...
Metallurgical processing of copper secondary raw materials / Metalurška prerada sekundarnih sirovina bakra
(Savez inženjera i tehničara Srbije, Beograd, 2015)
Procedures for copper secondary raw materials processing include two basic stages: pretreatment of the copper waste and its further metallurgical processing. For copper waste pretreatment technology, there are different ...
Production of lactic acid and microbial biomass on distillery stillage by using immobilized bacteria / Proizvodnja mlečne kiseline i bakterijske biomase na destilerijskoj džibri pomoću imobilisanih bakterija
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2014)
Lactic acid is versatile chemical with a wide range of applications in chemical, food, pharmaceutical, cosmetic and polymer industries. Currently, lactic acid world consumption is continually increasing mostly due to ...