vol. 40 (1) B - 2004
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Authors: E. Deliyanni, D. Bakoyannakis, A. Zouboulis and K. Matis, |
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Title: Development and study of Iron-Based nanoadsorbents Abstract The application of an innovative, simple and low cost method was tested for the preparation of nanocrystalline iron hydroxides and oxyhydroxides; different iron precursors have been earlier used and combined to different... |
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Authors: O. Eric, M. Jovanovic, L. Šidjanin and D. Rajnovic |
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Title: Microstructure and mechanical properties of CuNiMo austempered ductile iron Abstract Microstructure and mechanical properties of Cu, Ni and Mo alloyed cast ductile iron have been investigated after austempering. Samples were austenitised at 860oC for 1h and then austempered at 320oC and 400oC in... |
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Authors: V. Stankovic, S. Šerbula and B. Janceva, |
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Title: Cementation of copper onto brass particles in a packed bed Abstract The process of copper ion cementation from dilute solution was investigated using a packed bed column filled with brass particles. The influence of initial pH value of the treated solution, particle size and ... |
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Authors: B. Boyanov, V. Konareva and N. Kolev, |
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Title: Removal of cobalt and nickel from zinc sulphate using activated cementation Abstract The influence of different parameters (duration, temperature, zinc dust quantity, concentration of activators - copper and antimony) on the process of activated cementation of Co and Ni has been studied... |
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Authors: D. Minic, D. Petkovic, N. Štrbac, I. Mihajlovic and Z. Zivkovic, |
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Title: Kinetic investigations of oxidative roasting and afterwards leaching of copper-lead matte Abstract In this paper, results of copper – lead matte investigations are presented. Investigated copper-lead matte is intermediate product of lead production in TREPCA-Zvecan. In the first part of the paper characterization... |
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Authors: V. Goryany, T. Khlyntseva, I. Mamuzic and V. Radsinsky, |
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Tltle: Influence of cooling intensity on the structure formation in stripe steel by thermomechanical treatment Abstract The results of research of microstructure of the strips from low carbon steel 45x6 and 30x8 mm in hot-rolling condition and after accelerated cooling of different intencity and schemes of the coolers movement in the... |
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Authors: S. Marinkovic, A. Kostic-Pulek, S. Popov, J. Djinovic and P. Trifunovic, |
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Title: The possibility of obtaining beta-anhydrite from waste nitrogypum Abstract The possibility of obtaining β - anhydrite from nitrogypsum, which is waste from a nitrocellulose plant, was investigated. It was shown by means of qualitative IR analysis that the product obtained by heating nitrogypsum for... |
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Author: S. Nestorovic, |
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Title: Influence of deformation degree at cold-rolling on the anneal hardening effect in sintered copper-based alloys Abstract Samples of copper-based alloys, Cu-4at%Zn, Cu-8at%Zn and Cu-5at%Ni-2at%Sn and pure copper have been prepared by a powder metallurgical method. The samples were subjected to cold rolling to 30, 50 and... |
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