Pretraživanje
Prikaz rezultata 1-10 od 164
Fireproof phosphorylated kraft lignin/polyester based composites: Green material for rocket propellant thermal protection systems / Vatrootporni kompoziti na bazi fosfatnih estara kraft lignina i poliesterske smole - ekološki prihvatljiv materijal za sisteme termičke zaštite raketnih goriva
(Military Technical Institute, Belgrade, 2019)
Presented study was aimed to investigate the influence of surface functionalization of the industrial kraft lignin (KL) on mechanical and thermal properties of high-performance and fireproof composites based on unsaturated ...
Synthesis and characterization glycidyl azide polymer of an attractive binder for energetic materials / Sinteza i karakterizacija glicidil azid polimera atraktivnog veziva za energetske materijale
(Military Technical Institute, Belgrade, 2018)
The glycidyl azide polymer (GAP), known as an energetic, thermally stable, low sensitive, hydroxyl-terminated prepolymer, was synthesized using different diol and triol initiator units. GAP was prepared by azidation of ...
On the synthesis of 3-cyano-6-hydroxy-4-methyl-2-pyridone at room temperature / O sintezi 3-cijano-6-hidroksi-4-metil-2-piridona na sobnoj temperaturi
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
Milling of cyanoacetamide and acetoacetic ester as reactants, in the presence of KOH as the catalyst and ethanol as a viscous control agent (VCA) was performed in a planetary ball mill with the goal of investigating the ...
The quality of the Veliki Lug river from Mladenovac to the mouth in Kubršnica in the municipality of Smederevska palanka / Kvalitet vode reke Veliki Lug posle Mladenovca do ušća u Kubršnicu na teritoriji opštine Smederevska palanka
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2015)
The river Veliki Lug originates under the Kosmaj, flows through the municipalities and settlements Sopot and Mladenovac, and flows into the river Kubršnica near village Ratari in the Smederevska Palanka municipality. Waters ...
Modified tannins for alkyd based anticorrosive coatings / Primena modifikovanih tanina u antikorozionim alkidnim premazima
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
The study of the synthesis of anticorrosive inhibitors, based on chemically modified tannins, and their use in alkyd based coatings to improve anticorrosive properties is presented in this work. Two methods of tannin ...
Impact testing with controlled energy of multiaxial aramid fabrics with various types of reinforcement / Ispitivanje udarima kontrolisane energije multiaksijalnih aramidnih lamina sa različitim tipovima ojačanja
(Savez inženjera i tehničara Srbije, Beograd, 2015)
The physical and mechanical properties of the six samples of polyurethane/p-aramid multiaxial fabric forms (Kolon fabrics) were analyzed by high speed impact tester. The samples were impregnated with 10 wt.% poly (vinyl ...
Ispitivanje adsorpcionih svojstava elektrofilterskog pepela sa deponije termoelektrane „Moravaˮ u odnosu na fosfat-jone prisutne u vodenom rastvoru
(Naučno-stručno društvo za zaštitu životne sredine Srbije, 2016)
U radu su ispitana adsorpciona svojstva letećeg pepela sa deponije termoelektrane „Moravaˮ, u
odnosu na fosfat-jone prisutne u vodenoj sredini. Pepeo iz ove termoelektrane pokazuje dobra
adsorpciona svojstva i mogao ...
Bioindicators as a tool for environmental pollution analysis / Bioindikatori kao sredstvo za analizu zagađenosti životne sredine
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2015)
The interest in using bioindicators as monitoring tools to assess environmental pollution with toxic metals continually increasing. Heavy metals arise from natural sources and human activities, and once released in the ...
The influence of brewers' yeast addition on lactic acid fermentation of brewers' spent grain hydrolysate by Lactobacillus rhamnosus / Uticaj dodatka pisvkog kvasca na mlečno-kiselu fermentaciju hidrolizata pivskog tropa sa Lactobacillus rhamnosu
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2015)
In this study brewers' spent grain (BSG) hydrolysate was produced using optimal conditions. Hydrolysates were used for lactic acid fermentation by Lactobacillus rhamnosus ATCC 7469. The aim of this study was to evaluate ...
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 ...