Pretraživanje
Prikaz rezultata 11-20 od 295
An updated list of Serbian diatom flora – new recorded taxa
(Serbian Biological Society, 2018)
Diatoms are a widespread group of organisms with well-known ecological preferences. Knowledge of their diversity is of great importance for assessing the environmental status of different aquatic ecosystems. The present ...
Diatoms from a peat bog on the Pešter plateau (southwestern Serbia): New records for diatom flora of Serbia
(Institut za Bioloska Istrazivanja, 2015)
The distribution of diatoms was studied in three types of diatom communities (epiphytes, benthos and plankton)
of a peat bog on the Pešter plateau. The observed diatom flora inhabited all investigated communities, comprising ...
New taxa of the genus Navicula (Bacillariophyceae) in the diatom flora of Serbia
(Springer, 2014)
The main objective of this paper is to report two benthic, epilithic diatom species from the Raška River. Samples were collected in April, June, August and November 2011 and March and May 2012 from 5 localities along the ...
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, ...
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 ...
Modelovanje polušaržnih procesa proizvodnje polietera za dobijanje poliuretana / Modeling of semibatch processes of polyethers production for polyurethane fabrication
(Академија наука и умјетности Републике Српске, 2017)
U ovom radu prikazani su suštinski aspekti metodologije
projektovanja hemijsko-tehnološkog procesa proizvodnje polietera kao jedne
od osnovnih komponenata u proizvodnji poliuretana. Osnovni koncept procesa,
u kojima se ...
Solving some problems in field of heat capacity by using of new correlation
(Banja luka : Akademija nauka i umjetnosti RS, 2013)
In the thermodynamics practice, both for semi – ideal and for real gases, the
dependence of the middle specific heat capacity of temperature, is usually determined by experimentally as linear function, mainly, for the ...
The influence of reaction time on the properties of microwave synthesized poly(lactide)
(Бања Лука: Академија наука и умјетности РС, 2019)
The consequence of drastic reduction in fossil fuel reserves has forced the
scientific community to find and develop new ways to exploit renewable resources and
optimize the process of polymer materials production. The ...
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 ...
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 ...