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Приказ резултата 1-10 од 2432
Impact of leaching procedure on heavy metals removal from coal fly ash / Uticaj metode izluživanja na uklanjanje teških metala iz letećeg pepela
(Savez hemijskih inženjera Srbije, 2024)
In this work, removal of heavy metals (Cr, Mn, Co, Ni, Cu, Zn, As, Cd, and Pb) from fly ash has been studied using acid leaching and wet oxidation methods. In parallel, microwave-assisted acid digestion was applied for ...
Ozone absorption in raw waters
(Serbian Chemical Society, 2008)
The ozone absorption in raw water entering the main ozonization step at the Belgrade drinking water supply plant was investigated in a continuous stirred tank reactor (CSTR). A slow chemical reaction rate of dissolved ozone ...
OXYCELLULOSE – MATERIAL FOR NEW APPLICATION AREAS / OKSICELULOZA – MATERIJAL ZA NOVA PODRUČJA PRIMENE
(Academy of Sciences and Arts of Republic of Srpska, 2019)
In this paper, the principles of the action of the selective (NaIO4 and
2,2,6,6-tetramethylpiperidine-1-oxyl-TEMPO radical) and non-selective (H2O2 and
KMnO4) oxidation agents on cellulose are presented. Their importance ...
Chemical composition of seed oil from red grape varieties obtained by supercritical CO2 extraction / Hemijski sastav ulja semenki crvenih sorti grožđa izolovanih natkritičnom CO2 ekstrakcijom
(University of Niš, Serbia, 2021)
This study aimed to investigate the potential of the most abundant red grape variety from the central part of Serbia (the region of three Morava rivers) for grape oil manufacturing, using supercritical CO2 extraction. The ...
Characterization of plasma spray bioinert coating Al2O328wt.%MgO / Karakterizacija plazma sprej bioinertne prevlake Al2O328tež.%MgO
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
This paper presents the results of testing mechanical and structural characteristics of plasma spray coating Al2O328wt.%MgO. Metal oxide MgO in a complex oxide Al2O328wt.%MgO modifies the properties of Al2O3 ceramics by ...
Proučavanje uticaja metalnih vlakana na neka svojstva tehničkih pređa / Investigation of influence of metallic fibers on some properties of technical yarns
(Savez hemičara i tehnologa Srbije, 2000)
Ispitivana su neka mehanička i elektrofizička svojstva pređa formiranih od mešavine pamučnih i metalnih vlakana. Rezultati su upoređeni sa rezultatima dobijenim za pamučne pređe iste finoće. Registrovano je smanjenje ...
Change of temperature and vertical force during friction stir welding / Promena temperature i vertikalne sile tokom procesa zavarivanja trenjem mešanjem
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2013)
The aim of this paper is to analyze changes of vertical force and temperature during friction stir welding process of high strength aluminum alloys (2024 T3). FSW process is a complex nonlinear process accompanied by large ...
Multi-walled carbon nanotubes as lipase carriers for organic synthesis: current trends and recent update / Višeslojne ugljenične nanocevi kao nosač lipaze za organsku sintezu: pregled najnovijih trendova
(Savez hemijskih inženjera Srbije, 2024)
Lipase-catalyzed organic reactions have been widely practiced in the past three decades. Especially interesting are insoluble/immobilized forms due to providing a possibility of facile use and recyclability, thus reducing ...
Functional, rheological and sensory properties of probiotic milk chocolate produced in a ball mill
(Royal Soc Chemistry, Cambridge, 2016)
The aim of this study was to investigate the survival of probiotics (Lactobacillus acidophilus NCFM, Lactobacillus rhamnosus HN001 and Bifidobacterium lactis HN019) in milk chocolate masses prepared at temperatures 35 ...
Numerical prediction of ductile fracture resistance of welded joint zones
(Elsevier Science Bv, Amsterdam, 2016)
This study deals with the numerical prediction of ductile fracture initiation and development in welded joints of a high strength low alloyed steel. Having in mind the material heterogeneity in the joint zone, a combined ...