Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Živković Dragana T."'
Autor:
Manasijević Ivana I., Štrbac Nada D., Živković Dragana T., Balanović Ljubiša T., Minić Duško M., Manasijević Dragan M.
Publikováno v:
Tehnika, Vol 71, Iss 4, Pp 553-559 (2016)
Copper is one of the main alloying elements for aluminum casting alloys. As an alloying element, copper significantly increases the tensile strength and toughness of alloys based on aluminum. The copper content in the industrial casting aluminum allo
Externí odkaz:
https://doaj.org/article/28cd23f96d8f4d558f2b5ee8fbd66899
Autor:
Štrbac Nada D., Sokić Miroslav D., Mitovski Aleksandra M., Živković Dragana T., Marković Branislav R., Andrić Velibor Đ.
Publikováno v:
Tehnika, Vol 70, Iss 1, Pp 60-65 (2015)
The paper presents DTA/TG results of polymetallic sulphide copper concentrate from the mine 'Veliki Krivelj' (Serbia) at 25-1000 °C. The reaction mechanism at elevated temperatures was proposed. As confirmation to the proposed mechanism, the results
Externí odkaz:
https://doaj.org/article/4491dde072d3480299bdb65baa374501
Autor:
Sokić Miroslav D., Gulišija Zvonko P., Ilić Ilija B., Marković Branislav R., Štrbac Nada D., Živković Dragana T., Manojlović Vaso D.
Publikováno v:
Tehnika, Vol 70, Iss 4, Pp 616-622 (2015)
Procedures for copper secondary raw materials processing include two basic stages: pretreatment of the copper waste and its further metallurgical processing. For copper waste pretreatment technology, there are different applied procedures depending o
Externí odkaz:
https://doaj.org/article/d2235fc96a084081903b89373af6f218
Autor:
Mitovski Aleksandra M., Mihajlović Ivan N., Štrbac Nada D., Sokić Miroslav D., Živković Dragana T., Živković Živan D.
Publikováno v:
Hemijska Industrija, Vol 69, Iss 3, Pp 287-296 (2015)
Selective arsenic extraction from enargite based complex concentrate from Copper Mine in Bor (Serbia), using sodium hypochlorite as a leaching agent, was investigated in this paper. The aim was to assess the optimal conditions for the most efficie
Externí odkaz:
https://doaj.org/article/e696c8b7da114386be7aef8898c9b685
Autor:
Sokić Miroslav D., Matković Vladislav Lj., Marković Branislav R., Štrbac Nada D., Živković Dragana T.
Publikováno v:
Hemijska Industrija, Vol 64, Iss 4, Pp 343-350 (2010)
In this work, the process of the chalcopyrite leaching in sulphuric acid solution was investigated. Sodium nitrate was used as oxidant in the leaching process. Chemical reactions of leaching and their thermodynamic possibilities are predicted based o
Externí odkaz:
https://doaj.org/article/952738a035c84d76897d666e79bbc6f2
Autor:
Mitovski Aleksandra M., Živković Dragana T., Manasijević Dragan M., Minić Duško M., Balanović Ljubiša T., Štrbac Nada D.
Publikováno v:
Hemijska Industrija, Vol 64, Iss 2, Pp 99-103 (2010)
Physico-chemical processes that take place during the refining process in the extractive metallurgy of lead, are connected with ternary Pb−Zn−Ag system, which is necessary to study from the theoretical practical and aspects. Such investigation is
Externí odkaz:
https://doaj.org/article/4c1b24cac9d548119843449988552b7e
Autor:
Cocić Mira B., Logar Mihovil M., Cocić Saša Lj., Živković Dragana T., Matović Branko Ž., Dević Snežana S.
Publikováno v:
Hemijska Industrija, Vol 63, Iss 4, Pp 319-324 (2009)
Roasting process of sulphide copper concentrates in fluo-solid reactor is an oxidation process, and presents the first stage of copper concentrate processing in Copper Mining and Smelting Complex Bor, RTB Bor. Therefore, the importance of accurate an
Externí odkaz:
https://doaj.org/article/f8d2bfe12468485881b04c844e19abc4
Autor:
Mitovski Aleksandra M., Živković Dragana T., Balanović Ljubiša T., Štrbac Nada D., Živković Živan D.
Publikováno v:
Hemijska Industrija, Vol 63, Iss 3, Pp 163-169 (2009)
Life-cycle assessment (LCA) presents a relatively new approach, which allows comprehensive environmental consequences analysis of a product system over its entire life. This analysis is increasingly being used in the industry, as a tool for investiga
Externí odkaz:
https://doaj.org/article/364a6aff284e4b8781b5be34860ee7b8
Publikováno v:
Hemijska Industrija, Vol 63, Iss 4, Pp 289-292 (2009)
The Au-In-Sb system belongs to the group of potential candidates for new lead-free solder materials. Therefore, a lot of investigations concerning its phase diagram and thermodynamic, mechanical, physical characteristics are going on at the moment. H
Externí odkaz:
https://doaj.org/article/a68203ba4eab4e6fb5fa2cbda8591e1f
Autor:
Kostov Ana I., Živković Dragana T.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 4, Pp 499-506 (2008)
Thermodynamic calculations in the ternary Ti-Al-Mn system are shown in this paper. The thermodynamic calculations were performed using the FactSage thermochemical software and database, with the aim of determining thermodynamic properties, such as ac
Externí odkaz:
https://doaj.org/article/5b92c76ea2c84653913e8e96342301b3