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Приказ резултата 11-20 од 21
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 ...
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, ...
Human health risk assessment due to natural radionuclides in soil affected by coal combustion: A case study from the surroundings of the largest thermoelectric power plant in Serbia / Procena rizika po zdravlje ljudi poreklom od prirodnih radionuklida u zemljištu usled sagorevanjem uglja u okolini najveće termoelektrane u Srbiji
(Naučno-stručno društvo za zaštitu životne sredine Srbije, ECOLOGICA, 2018)
The study was aimed at assessing the human health risk potentially induced by the presence of natural
radionuclides and their decay chain daughters in the soil of the area impacted by coal combustion in the
largest Serbian ...
Fracture toughness of base and weld metal of aluminum alloy EN AW 7049A T652 FSW joint
(Serbian Welding Society, Belgrade, 2018)
The paper analyses the impact of the tool geometry on the friction stir welding (FSW) method on fracture toughness values of the base metal (BM) and weld metal (WM) of a butt welded joints of a high strength aluminium ...
Ispitivanje adsorpcionih svojstava elektrofilterskog pepela sa deponije termoelektrane „Moravaˮ u odnosu na fosfat-jone prisutne u rastvoru
(Inženjerska komora Srbije, 2018)
In this study we prepared adsorbents on the basis of clinoptilolite-rich zeolitic tuff (Slanci deposit, Beograd), and chitosan, as well as partially cross-linked chitosan by glutaraldehyde. We investigated removal rate of ...
Titanium dioxide nanoparticles surface modified with imine as fillers for epoxy resin / Nanočestice titan-dioksida površinski modifikovane iminom kao punioci za epoksidnu smolu
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2018)
The surface of anatase TiO2 nanoparticles was modified with in situ synthesized imine, based on 3,4-dihydroxybenzaldehyde and octadecylamine. The modified TiO2 nanoparticles were investigated using FTIR and UV-Vis spectroscopy, ...
Effect of alumina based particles on mechanical properties and resistance to acryloid composites cavitation / Uticaj čestica na bazi aluminijum oksida na mehanička svojstva i otpornost na kavitaciju akriloidnih kompozita
(Savez inženjera i tehničara Srbije, Beograd, 2018)
In the processes of preservation and restoration of sculptures and archaeological objects, copolymer materials of acrylate type are used because they have proved useful in conservation practice. The main disadvantage of ...
The influence of the shape and size of the AL2O3 particles on the flexural properties of the PMMA composite modified by the addition of dimethyl itaconate / Uticaj oblika i veličine čestica AL2O3 na savojna svojstva PMMA kompozita modifikovanog dodatkom dimetil itakonata
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Dental materials have specific requirements regarding behavior in exploitation conditions. Poly (methyl methacrylate) (PMMA) is one of the most commonly used prosthetic materials. It is of interest to improve the mechanical ...