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Thermo-mechanical properties of rigid polyurethane foams with cement addition
(Society of Chemists and Technologists of Macedonia, 2016)
The parameters of foam preparation, such as addition of fillers, have a significant effect on the properties of polyurethane foams. The goal of this work was to study the effect of the cement addition on the thermo-mechanical ...
Recycling of Oily Waste Packaging by Pyrolysis / Reciklaža zauljene otpadne ambalaže procesom pirolize
(Society for robotics of B&H - Društvo za robotiku u Bosni i Hercegovini, 2016)
For commercial packing of lubricants, the most commonly used are polyethylene packing which are different designs and volume. After emptying the contents, used packing ending up as waste material in municipal landfills, ...
Dimensioning and assemblying of brazed aluminium heat exchanger for needs of agricultural process plants
(Belgrade: University of Belgrade - Faculty of Agriculture, 2023)
Heat exchangers used in agricultural processes are mainly manufactured by three technologies: brazed copper-brass, mechanically assembled aluminum and brazed aluminum. The appropriate choice depends on various criteria: ...
Energy Efficient Poly(Lactide) Obtaining by Microwave Synthesis
(University of Maribor Press, 2017)
The world is faced with the consequences of drastic reduction in fossil fuel reserves, because of their widespread use, not only as an energy source, but also as a feedstock for monomers obtaining. In order to solve this ...
Methodological approaches in heritological valorization of old patents
(Београд : Друштво за етичност и вредновање у култури и науци и Централни институт за конзервацију, 2020)
Within the protection of industrial heritage, patents and other works of intellectual
technological heritage are assessed heritologically and technologically. The results of valorization
show that the heritological value ...
Fermentation of lignocellulosic renewable resources and hydrogen production
(The Academy of Sciences and Arts of the Republic of Srpska, 2016)
Using cheap renewable raw materials such as lignocellulosic feedstock for hydrogen production by fermentation has great significance and potential to give a major contribution to future clean energy. Using hydrogen as a ...
Ispitivanje dinamike protonskih vrsti kod fosformolibdenove kiseline metodom infracrvene i mikro-ramanske spektroskopije
(Belgrade : Serbian Chemical Society, 1994)
U ovom radu izloženi su najnoviji rezultati sistematskog ispitivanja heteropolikiselina kao protonskih provodnika, posebno 29-hidrata fosformolibdenove koseline (MoPA-29).
Metodama infracrvene i mikro-Ramanske spektroskopije, ...
New or rarely recorded diatoms taxa from Serbia (Dojkinačka stream, SE Serbia)
(Niš, Serbia : Department of Biology and Ecology, Faculty of Science and Mathematics, University of Niš, 2013)
Diatoms (Bacillariophyta) inhabiting different types of substrate including stone surfaces, sand, mud, filamentous algae and submerged mosses in the Dojkinačka stream (SE Serbia) were studied by light microscopy. Among ...
Diversity and ecology of diatoms from peat bog at Pester plateau (Serbia)
(Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung (AWI), 2015)
The subjects of the study were various types of diatom communities including epiphytes, benthos and plankton of the peat bog at Pešter plateau. A specific diatom flora inhabits all types of communities, comprising in total ...
Buka generisana vazdušnim saobraćajem / Noise Generated by Air Traffic
(Naučno-stručno društvo za zaštitu životne sredine SrbijeScientific Professional Society for Environmental Protection of Serbia, 2020)
Rast u vazduhoplovnom sektoru od 1950-ih donio je velike koristi, ali je zabrinutost zbog povezanih uticaja na životnu sredinu sve veća. Buka generisana vazdušnim saobraćajem je postala jedan od osnovnih ekoloških problema ...