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出　　处：《Science China Mathematics》2009年第1期217-219,共3页中国科学：数学（英文版）

摘　　要：The availability of resources for economic activities differs between regions, and the importance of the resources is consequently observed to be different within regions compared to a global scale. With the current situation in Chinese mining industry and its statistic characteristics, the characterization procedures of abiotic resource in life cycle impact assessment (LCIA) have demonstrated certain limita-tions in the Chinese materials industry. The aim of this paper is to propose new characterization and normalization factors for abiotic resource depletion categories such as metals and non-renewable en- ergy resources in a Chinese context. The actual production of abiotic resources calculated by a modi- fied model is compared to the reserve base in line with the new national standard to determine char- acterization factors in equivalence units, with antimony as the reference mineral. The normalization factors are based on the total base reserves of the most important minerals in China. A case study on primary magnesium production using the Pidgeon process is used to compare LCIA results for abiotic resource categories that are between current LCIA factors and the new Chinese factors. These factors not only reflect the importance of abiotic resource with respect to region-specific resource depletion, but also can compare with the global factors.Science in China Series A: Mathematics, a peerreviewed mathematical journal cosponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China, and published by Science in China Press and Springer,is committed to publishing high-quality, original results in both basic and applied research. Science in China Series A: Mathematics is published monthly in both print and electronic forms. It is indexed by Science Citation Index (SCI), Chemical Abstracts Service, Personal Alert, Current Contents, CompuMath Citation Index,

关 键 词：resource depletion abiotic resource categories life cycle impact assessment (LCIA) magnesium production the Pidgeon process China 

分 类 号：N[自然科学总论]