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Приказ резултата 11-20 од 427
Alkalno aktivirani leteći pepeo modifikovan polietileniminom kao adsorbent za uklanjanje metilensko plavog iz vode / Alkali-activated fly ash modified with polyethyleneimine as adsorbent for methylene blue removal from water
(Beograd : Srpsko hemijsko društvo, 2023)
U cilju iskorišćenja industrijskog otpada, leteći pepeo je modifikovan radi dobijanja
efikasnih adsorbenata za uklanjanje metilensko plavog iz vode. Leteći pepeo je aktiviran u
prisustvu NaOH na 550oC, i modifikovan ...
Effect of non-thermal plasma treatment on antioxidative and prebiotic properties of aqueous herbal extracts
(University of East Sarajevo Faculty of Technology, 2023)
To provide food with a longer shelf life, synthetic antioxidants are frequently used in the food industry. Common synthetic antioxidants includebutylated hydroxyanisole(BHA), butylated hydroxytoluene (BHT), propyl gallate ...
Comparation of corrosion and mechanical properties of commercial and recycled 6060 and 6082 aluminium alloys
(Belgrade : Association of Metallurgical Engineers of Serbia (AMES), 2023)
Although the same quality of various metals from the recycling process is considered for granted, obtaining aluminum of high purity and aluminum alloys with identical properties as from production from pure raw materials ...
Application of image analysis for cavitation erosion resistance monitoring of some engineering materials
(Bor : University of Belgrade, Technical Faculty, 2023)
Engineering materials are often used in various operating conditions including high temperatures,
pressure, aggressive solutions, or cavitation erosion. The phenomenon of cavitation erosion is expected
when fluid flow ...
Eco-friendly technology for gel-coat and fireproofing material production using bio-renewable and waste materials
(OOO «Centr «AЮMЭLЬ», 2020)
Innovative technology has been developed for the production of gelcoat and materials of reduced flammability based on unsaturated polyester resins. These materials were synthesized from raw materials obtained from waste ...
Thermovision monitoring of concrete heat of hydration / Termovizijski monitoring toplote vlaženja betona
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije - SMEITS, 2020)
Usled hemijske reakcije Portland cementa, koja se uvek javlja u betonu prilikom očvršćavanja, izvesna količina toplote se razvija. Ova toplota mora biti kvantifikovana, obzirom da ona može oštetiti beton ili pomoći mu, ...
Abnormalni rast zrna u toku medjužarenja u Al-Mg legurama / Abnormal grain growth during intermediate annealing of Al-Mg alloys
(Beograd : Srpsko hemijsko društvo = Serbian Chemical Society, 2022)
U završnoj fazi prerade Al-Mg legura, pojava abnormalnih zrna (AGG) u strukturi je
nepoželjna, jer dovodi do pogoršanja mehaničkih osobina. Medjutim, postoji veliki interes
za proučavanjem uticaja AGG, koja nastaju u ...
Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems / Poboljšanje svojstava betona dodatkom letećeg pepela iz termoelektrane za primenu u geotermalnim sistemima
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije - SMEITS, 2020)
Electric power in Serbia is predominantly provided by thermal power plants. All of eleven existing thermal power plants in Serbia use coal, mainly lignite in the electricity production process thus generating about 6 million ...
Electrochemical composite bioceramic coatings based on hydroxyapatite, chitosan and polyvinyl alcohol loaded with gentamicin
(Institute of Technical Sciences of SASA, 2021)
Composite bioceramic coatings have been attracting increasing attention of the scientific
public in recent decades due to the good potential of their use for medical purposes. The
main goal of this scientific research ...
Fluorination as a Driving Force in Crystal Structures
(Commission on Quantum Crystallography of IUCr, 2020)
The results of the crystallographic analysis in combination with quantum chemical calculations have shown that fluorination of organic compounds causes an increase in the proton-donating ability and a decrease in the ...