Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Bera Oskar"'
Autor:
Lubura Jelena D., Kojić Predrag, Pavličević Jelena, Ikonić Bojana, Omorjan Radovan, Bera Oskar
Publikováno v:
Hemijska Industrija, Vol 75, Iss 5, Pp 277-283 (2021)
Determination of rubber rheological properties is indispensable in order to conduct efficient vulcanization process in rubber industry. The main goal of this study was development of an advanced artificial neural network (ANN) for quick and accura
Externí odkaz:
https://doaj.org/article/38f278ba3e994f6ab0af514def5b9e20
Publikováno v:
Hemijska Industrija, Vol 73, Iss 5, Pp 311-323 (2019)
In many technologies, such as process industry or water supply, there is a need to measure fluid flowrates. Orifice plates are the most common instruments for measuring the fluid flowrate through pipelines due to their many advantages. On the othe
Externí odkaz:
https://doaj.org/article/26660382075840e2ac45bbdd343182f1
Autor:
Pavličević Jelena, Špirková Milena, Bera Oskar, Jovičić Mirjana, Kojić Dejan, Mészáros-Szécsényi Katalin, Budinski-Simendić Jaroslava
Publikováno v:
Hemijska Industrija, Vol 72, Iss 4, Pp 215-227 (2018)
Nanocomposites based on aliphatic polyurethanes have recently attracted a lot of attention regarding economical and ecological aspects, due to their improved thermal and mechanical properties. The aim of this paper was to investigate the influence of
Externí odkaz:
https://doaj.org/article/561ad03821de48d789b77cdc8a4f2185
Autor:
Radovanović Rajko M., Jovičić Mirjana C., Bera Oskar J., Pavličević Jelena M., Pilić Branka M., Radičević Radmila Ž.
Publikováno v:
Hemijska Industrija, Vol 71, Iss 1, Pp 11-18 (2017)
The application of PVC floor coverings is strongly connected with their end-use properties, which depend on the composition and processing conditions. It is very difficult to estimate the proper influence of the production parameters on the charac
Externí odkaz:
https://doaj.org/article/209fe0fc08b1449c9481222e5d7b2879
Autor:
Pavličević Jelena, Jovičić Mirjana, Simendić Vesna, Bera Oskar, Radičević Radmila, Špírková Milena
Publikováno v:
Hemijska Industrija, Vol 68, Iss 6, Pp 755-765 (2014)
In this work, epoxy hybrid materials were synthesized by addition of thermoplastic segmented aliphatic polyurethanes with good elastic properties. The modified epoxy samples were obtained by curing of previously homogenized mixture of prepared pol
Externí odkaz:
https://doaj.org/article/d6ebab6a5a1346aba1e3f6fc1f37fa29
Autor:
Teofilović Vesna, Pavličević Jelena, Bera Oskar, Jovičić Mirjana, Budinski-Simendić Jaroslava, Mészáros-Szécsényi Katalin, Aroguz Ayse
Publikováno v:
Hemijska Industrija, Vol 68, Iss 6, Pp 653-659 (2014)
Due to their biodegradable and nontoxic nature, biopolymer composites are often used as remarkable adsorbents in treatment of wastewater. In this study chitosan/bentonite composite beads were obtained by addition of clay into the polymer using sol
Externí odkaz:
https://doaj.org/article/e1e9fd9853794daeadcf0de884359e1c
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 19, Iss 2, Pp 253-262 (2013)
The curing reaction for the mixtures of alkyd resins based on ricinoleic acid, phthalic anhydride and three polyols (glycerin, trimethylolpropane or ethoxylated pentaerythritol) with two different commercial melamine resins was investigated by differ
Externí odkaz:
https://doaj.org/article/a6a4fb58166f4fd4af4caa8c3ffd1edb
Autor:
Budinski-Simendić Jaroslava, Pavličević Jelena, Špirková Milena, Jovičić Mirjana, Bera Oskar, Ristić Ivan
Publikováno v:
Hemijska Industrija, Vol 66, Iss 6, Pp 853-862 (2012)
Aliphatic segmented polyurethanes were prepared by one-step procedure in catalytic reaction between polycarbonate diol, hexamethylene-diisocyanate and 1,4-butandiol (as chain extender). The hard segment content TS was varied (17, 24, 30 and 42 wt. %)
Externí odkaz:
https://doaj.org/article/146322b8b27740e4b91428bd586d714f
Autor:
Jovičić Mirjana C., Bera Oskar J., Pavličević Jelena M., Simendić Vesna B., Radičević Radmila Ž.
Publikováno v:
Hemijska Industrija, Vol 66, Iss 6, Pp 863-870 (2012)
In this work, the attention was paid at the investigation of montmorillonite dispersion in epoxy/amine systems due to improved final properties of the nanocomposites. The influence of different montmorillonite content on the kinetics of curing of epo
Externí odkaz:
https://doaj.org/article/56b14ced8e1d4606b98835fdc696ddc9
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