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Prikaz rezultata 21-30 od 162
Application of alumosilicate polymers based on metakaolin in adsorption of cadmium ions from wastewater / Primena alumosilikatnih polimera na bazi metakaolina u adsorpciji jona kadmijuma iz otpadnih voda
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Alumosilicate polymers (geopolymers) based on metakaolin as precursor and alkaline activators of different concentrations (2M, 4M, 6M and 8M NaOH/Na2SiO3) were used to remove ions of cadmium from wastewater. Experiments ...
The impact of wood fiber surface modification on physical properties of wood-polymer composites / Uticaj modifikacije površine vlakana drveta na mehanička svojstva kompozita polimer-drvo
(Savez inženjera i tehničara Srbije, Beograd, 2016)
In this paper, the impact of wood fiber surface modification on mechanical properties of poly-(methyl methacrylate)(PMMA)-wood composite was examined. FTIR analysis has shown that the wood fiber surface modification was ...
Tools for optimizing the operating conditions of waste-to-energy plant / Alati za optimizaciju radnih uslova postrojenja za energetsko iskorišćenje otpada
(Engineering Society for Corrosion, Belgrade, Serbia, 2020)
The efficient use of energy and resources is important from the point of environmental responsibility, but at the same time, it can be an opportunity towards obtaining economic value. Waste-to-energy (WtE) plants have the ...
Two-stage fermentation for lactic acid production on distillery stillage / Dvostepena fermentacija za proizvodnju mlečne kiseline na destilerijskoj džibri
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2018)
The aim of this study was to assess utilization of distillery stillage in a two-stage fermentation using Bacillus licheniformis TFUNS and Lactobacillus paracasei NRRL B-4564. In the first stage the stillage was pretreated ...
Impregnation of cellulose acetate films with carvacrol using supercritical carbon ioxide / Impregnacija filmova acetata celuloze karvakrolom pomoću natkritičnog ugljenik(IV)-oksida
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Cellulose acetate films were impregnated with carvacrol using supercritical carbon dioxide. The supercritical impregnation process, conducted in a static regime at pressure of 21 MPa and temperature of 50°C, was optimized ...
Examination of the adhesion of polymer composite films based on Bis-GMA/TEGDMA on different metal substrates / Ispitivanje adhezije polimernih kompozitnih filmova na bazi Bis-GMA/TEGDMA na različitim metalnim podlogama
(Savez inženjera i tehničara Srbije, Beograd, 2018)
The subject of this study is the quantitative adhesion of a UV-curing composite film based on Bis-GMA (Bisphenol A glycidylmethacrylate) / TEGDMA (triethylene glycol dimethacrylate) as a matrix and particles doped with ...
Mechanical and structural properties of friction stir weld of dissimilar aluminum alloys / Mehahička i strukturna svojstva spojeva od raznorodnih aluminijumskih legura zavarenih FSW postupkom
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2017)
In this work, the structural and mechanical properties of friction stir welded dissimilar butt joints of AA2024-T351 to AA5083-H112 aluminum alloys were evaluated. Plates of 6 mm thick were friction stir welded with optimized ...
Preliminary analysis of the possibility of preparing PVB/IF-WS2 composites. Effect of nanoparticles addition on thermal and rheological behavior of PVB / Predvaritel'nyj analiz vozmožnosti podgotovki kompozitov PVB / IF- WS2 i ëffekty vlijanija dobavki nanočastic na termičeskoe i reologičeskoe povedenija PVB / (francuski) Analyse préliminaire de la possibilité de préparation des composites PVB/IF-WS2 et effet de l'addition des nano particules sur le comportement thermique et rhéologique de PVB
(Military Technical Institute, Belgrade, 2016)
A possibility of using inorganic fullerene-like tungsten disulfide, IF-WS2, nanoparticles as a filler in poly (vinyl butyral), PVB, for improving its thermal and rheological properties is examined. PVB is a thermoplastic ...
Synthesis and properties of nano-hydroxyapatite/poly (methacrylic acid) composite hydrogels / Uticaj neutralizacije na svojstva poroznih hidrogelova na bazi hidroksiapatita i poli(metakrilne kiseline) sintetisanih slobodno-radikalskom polimerizacijom
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Goals. The goal of this study was a development of biocompatible composite hydrogels, structurally similar to native bone tissue, by incorporation of ~60 wt % of calcium hydroxyapatite (HA) into a matrix of hydrogels. Also, ...
β-amylase production by a novel strain Paenibacillus chitinolyticus CKS1 using commercial and waste substrates / Proizvodnja β-amilaza pomoću novog bakterijskog soja Paenibacillus chitinolyticus CKS1 na komercijalnim i otpadnim supstratima
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2018)
Amylases are industrially important enzymes which could convert starch to glucose, maltose and oligosaccharides. A bacterial strain designated as Paenibacillus chitinolyticus CKS1which was isolated from the soil of the ...