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Superkritična ekstrakcija kao metoda za uklanjanje pesticida iz zemljišta
(Univerzitet u Kragujevcu, Agronomski fakultet u Čačku, 2016)
Cilj ovog rada je ukazivanje na mogućnost primene superkritične ekstrakcije sa ugljendioksidom na dekontaminaciju zemljišta zagađenih pesticidima (u ovom slučaju atrazinom). Analizirani rezultati ukazuju da se ova metoda ...
Superkritični fluidi u procesima dobivanja energije / Supercritical Fluids in Process Related to Obtain Energy
(Akademija nauka i umjetnosti Republike Srpske / Academy of Sciences and Arts of the Republic of Srpska, 2017)
Tehnološki postupak u kome se dobija energija obuhvata osnovne procese i operacije, kao na primer faznu ravnotežu, kinetiku reakcije, sintezu tehnološke šeme, projektovanje postrojenja i ostale faze sve do dobijanja energije ...
Methods for Removal of Phenol from Wastewater / Metode uklanjanja fenola iz otpadne vode
(University of Kragujevac, Faculty of Agronomy, Čačak, 2017)
Phenol is a major pollutant in the wastewater because of its presence in the effluent of major processing and refining plants. It has severe effect on human being, both short term and long term. Various methods are used ...
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 ...
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 ...
Analytical error during selection of reference state in thermodynamic of ideal gas / Analitička greška kod izbora referentnog stanja u termodinamici idealnog gasa
(Banja Luka, Republic of Srpska, Bosnia and Herzegovina : Tehnološki fakultet Univerziteta u Banjoj Luci, 2016)
The paper is based on the fact that the internal energy, enthalpy and enthropy as most important thermodynamic state functions, can not be determined in absolut terms without reference state slections. It is demonstrated ...
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 ...
Interesting Navicula Bory de Saint-Vincent species from Serbia
(Centre for ecological research, Hungarian academy of sciences centre of excellence, 2016)
The genus Navicula was originally described in 1822 by Bory de St. Vincent. The concept of Navicula has changed from extremely heterogeneous collective genus to a narrowly defined, apparently homogeneous genus. The group ...
The impact of trout farm effluent on diatoms richness in the Rasina river (Serbia)
(Macedonian Ecological Society, 2016)
The Rasina River is right tributary of the Zapadna Morava River, situated in central Serbia. The samples were collected in spring (April), summer (July) and autumn 2011, from 6 localities along the river at an altitudes ...
Diatoms on the green frogs skin (Pelophylax esculentus and P. ridibundus)
(Prague : Charles University in Prague, 2017)
It is known that diatoms may be present on the skin of various animals (whales, dolphins, manatees, turtles…) (Frankovich et al. 2015, Wetzel et al. 2012). In our study diatoms were collected from the skin of two green ...