نتایج جستجو برای: metallurgy
تعداد نتایج: 3209 فیلتر نتایج به سال:
The article explains the term powder metallurgyand defines main differences from classical methods of metallurgy. Historical aspects development metallurgy technologies since ancient times are described. technological and their application for production modern products presented. areas various types listed
The issues of increasing the energy efficiency city-forming organizations ferrous metallurgy are considered in this paper. Ferrous is characterized by a high concentration organizations, social significance, and intensity. paper studies consumption metallurgy, highlights directions for use resources.
B.Gajdzik, Silesian University of Technology, Faculty of Materials Science and Metallurgy,Katowice, Poland On the basis of report analysis which presents situation in metallurgical sector after 2008 the range of changes implemented in management of metallurgical enterprises was characterised. A defi nition approach to crisis management was suggested as the process when the enterprise is managed...
The history of pre-Columbian metallurgy in South America is incomplete because looting of metal artifacts has been pervasive. Here, we reconstruct a millennium of metallurgical activity in southern Bolivia using the stratigraphy of metals associated with smelting (Pb, Sb, Bi, Ag, Sn) from lake sediments deposited near the major silver deposit of Cerro Rico de Potosí. Pronounced metal enrichment...
exchange-coupled Fe/CoPt systems H. Oguchi, A. Zambano, M. Yu, J. Hattrick-Simpers, D. Banerjee, Y. Liu, Z. L. Wang, J. P. Liu, S. E. Lofland, D. Josell, and I. Takeuchi Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, USA Advanced Materials Research Institute, University of New Orleans, Louisiana 70148, USA School of Materials Science and E...
To date, information concerning pre-Colonial metallurgy in South America has largely been limited to the archaeological record of artifacts. Here, we reconstruct a millennium of smelting activity in the Peruvian Andes using the lake-sediment stratigraphy of atmospherically derived metals (Pb, Zn, Cu, Ag, Sb, Bi, and Ti) and lead isotopic ratios (206Pb/ 207Pb) associated with smelting from the M...
B. Gajdzik, The Silesian University of Technology, Faculty of Materials Science and Metallurgy, Katowice, Poland K. Grzybowska, Poznan University of Technology, Faculty of Engineering Management, Poznan, Poland The article presents notions connected with resource structure of useful knowledge packages in metallurgical enterprise. Dependence between building competence of employees and using kno...
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