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Evolvement and its implications of spatial patterns of inter-provincial coal output and input at national level EI期刊论文
2007
Authors:  Zhang Wei;  Liu Yi;  Jin Feng-Jun
Favorite  |  View/Download:77/5  |  Submit date:2012/06/11
Analysis of regional competitiveness of Chinese iron and steel industry by using artificial neural networks EI期刊论文
2007
Authors:  Fu Jia-Feng;  Liu Yi;  Zhang Lei
Favorite  |  View/Download:82/6  |  Submit date:2012/06/11
Evaluation of China's regional sustainable utilization of water resources and its type classification EI期刊论文
2005
Authors:  Liu Yi;  Jia Ruo-Xiang
Favorite  |  View/Download:87/7  |  Submit date:2012/06/11