Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Ljiljana Zivkovic"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 69, Iss 1, Pp 59-67 (2004)
The objective of this work was to investigate the effect of two different sintering additives (CeO2 and Y2O3 + Al2O3), sintering time and amount of b-Si3N4 seeds on the densification, mechanical properties and microstructure of self-reinforced Si3N4
Externí odkaz:
https://doaj.org/article/8411fba7c54444028556b329397e7aa0
Autor:
Gordana Gojgic-Cvijovic, Dragica Jakovljevic, Ljiljana Zivkovic, Vladan Cosovic, Vladimir Pavlovic, Ivana Nikolic, Nikola Maravic, Ljubica Dokic
Publikováno v:
International Journal of Biological Macromolecules
In this study, levan from Bacillus licheniformis NS032 was modified in an aqueous medium by octenyl succinic anhydride (OSA), and the properties of the obtained derivatives were studied. The maximum efficiency in the synthesis reaction was achieved a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0489c6b596ced05980e541bfab202b15
https://vinar.vin.bg.ac.rs/handle/123456789/11023
https://vinar.vin.bg.ac.rs/handle/123456789/11023
Autor:
M. Lekka, Nikola Tasić, Alex Lanzutti, Ljiljana Zivkovic, Sanja Stevanović, Lorenzo Fedrizzi, Jelena B. Bajat
Publikováno v:
Journal of the Electrochemical Society
Cerium-based conversion coatings have emerged as promising green alternatives to the harmful chromium-based ones, but the mechanism of corrosive protection still remains a subject of academic and industrial research. This study focuses at small scale
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1343ac45d0bba7e583fa30580b7afc17
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4542
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4542
Publikováno v:
Glasnik Srpskog Geografskog Društva, Vol 97, Iss 1, Pp 137-158 (2017)
Glasnik Srpskog geografskog društva
Glasnik Srpskog geografskog društva
In order to meet the needs of modern society, schools should be continually reviewed its role. In contemporary the methodological concepts, interdisciplinary teaching is seen as a necessity in order to increase the quality of teaching and teaching an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01fea8129a44dc3a22afdd5d5f9f6ed3
https://doi.org/10.2298/gsgd1701137z
https://doi.org/10.2298/gsgd1701137z
Autor:
Ljiljana Zivkovic, Aleksandra Zivkovic, Alexander Jan Skerhut, Holger Stark, Momir Praščević, Jan J. Bandolik, Christina Coesfeld
Publikováno v:
Journal of Chemical Education. 94:121-125
Marketed pain relief drugs with one to three biologically active components, as well as mixtures of these ingredients, were qualitatively and quantitatively analyzed in an undergraduate student lab using a compact, low-field 1H NMR spectrometer. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a590e06182e884097af63e9123162ad0
https://doi.org/10.1021/acs.jchemed.6b00105
https://doi.org/10.1021/acs.jchemed.6b00105
Autor:
Ljiljana Zivkovic, Miomir Raos, Nenad Živković, Momir Praščević, Milena Jovanović, Dragan Jovanović
Publikováno v:
Applied Mechanics and Materials. 430:118-122
Climate chambers are a complex system of electromechanical components used for conditioning of air for providing comfort and projected parameters of temperature, humidity, velocity and air cleanliness in the area. In this paper is presented examinati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfaf365310e6426493cc19e17752b8a2
https://doi.org/10.4028/www.scientific.net/amm.430.118
https://doi.org/10.4028/www.scientific.net/amm.430.118
Publikováno v:
Applied Mechanics and Materials. 430:237-243
Application of the prediction models for railway noise indicators calculation, which was already developed by other countries, represents a major challenge in Serbia. Prediction model "Schall 03" was developed in line with technical and technological
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::340d882568059dcfe41b13a7d0fec7cb
https://doi.org/10.4028/www.scientific.net/amm.430.237
https://doi.org/10.4028/www.scientific.net/amm.430.237
Autor:
S Ljiljana Zivkovic, B Vesna Miskovic-Stankovic, V Bore Jegdic, B Jelena Bajat, P Jovan Popic
Publikováno v:
Journal of the Serbian Chemical Society, Vol 78, Iss 7, Pp 997-1011 (2013)
Journal of the Serbian Chemical Society
Journal of the Serbian Chemical Society
Dip-immersion is a simple and cost-effective method for the pre- paration of Ce-based conversion coatings (CeCCs), a promising alternative to toxic chromate coatings, on metal substrates. In this work, CeCCs were pre- pared on Al-alloy AA6060 from an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21daa62e94d0b204dbf38b63911fc6b0
https://doi.org/10.2298/jsc121212009j
https://doi.org/10.2298/jsc121212009j
Publikováno v:
Inovacije u nastavi-časopis za savremenu nastavu
Inovacije u nastavi-časopis za savremenu nastavu (2016) 29(4):115-122
Inovacije u nastavi-časopis za savremenu nastavu (2016) 29(4):115-122
Taking into account the fact that intensifying problems concerning the environment, the young will be exposed to more risks in the future, it is very important to form their ecological consciousness and pro-ecological behaviour. The aim of this paper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edbb01329f721da0628868801ed7d8ee
https://hdl.handle.net/21.15107/rcub_gery_753
https://hdl.handle.net/21.15107/rcub_gery_753
Publikováno v:
Hemijska industrija
Hemijska Industrija, Vol 66, Iss 3, Pp 291-299 (2012)
Hemijska industrija (2012) 66(3):291-299
Hemijska Industrija, Vol 66, Iss 3, Pp 291-299 (2012)
Hemijska industrija (2012) 66(3):291-299
In the primary circuit of pressurized water reactors (PWR), the dynamic sealing system in reactor coolant pumps is ensured by mechanical seals whose ceramic parts are in contact with the cooling solution. During the stretch-out phase in reactor opera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6dcb8b88082207ae3cf02687fffe26a
https://doi.org/10.2298/hemind110922101l
https://doi.org/10.2298/hemind110922101l