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Factor Analysis on the Factors that Influencing Rural Environmental Pollution in the Hilly Area of Sichuan Province,China[J]. LING Jing1,2,DENG Liang-ji1,2 1.School of Resource and Environment,Sichuan Agricultural University,Ya’an 625014,China;2.Key Laboratory of Land Information in Sichuan Province,Ya’an 625014,China.Asian Agricultural Research. 2011(02)
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Casing life prediction using Borda and support vector machine methods[J]. Xu Zhiqian 1 , Yan Xiangzhen 2 and Yang Xiujuan 2 1 College of Mechanical and Electronic Engineering, China University of Petroleum, Dongying, Shandong 257061, China 2 College of Storage & Transportation and Architectural Engineering, China University of Petroleum, Dongying, Shandong 257061, China.Petroleum Science. 2010(03)