Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 23    No. 8    August 2013

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Evaluation and simulation analysis of China’s copper security evolution trajectory
Chang WANG, Lü-shui ZUO, Ping-jie HU, Hai-lin YAO, Hao ZHU

Institute of Metal Resource Strategy, Central South University, Changsha 410083, China

Abstract:Copper metal is one important raw material of national economy, and its security is tightly linked with industrialization process. A comprehensive security evaluation index system, including three first class indicators, nine second class indicators and fourteen third class indicators, was constructed based on the pressure-state-response (PSR) model. And efficacy coefficient method was adopted in dimensionless treatment and entropy method was used to obtain the weight. Then, the data of China’s copper from 1992 to 2011 were studied and collected. By processing these data, a comprehensive safety index of China’s copper was got. The results showed that the comprehensive safety index of China’s copper rose from its low point. The safety pressure state of China’s copper was improved. The safety state of China’s copper continued to be tight. The response state continued to rise. The overall situation of China’s copper safety was improving, but still not optimistic.


Key words: PSR model; copper resource; safety evaluation; evolution trajectory; industrialization process

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

主管:中国科学技术协会 主办:中国有色金属学会 承办:中南大学
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