Optical Absorption Edge of Mg+Zn:LiNbO_3
yang xiaolong 1 xu guanfeng 2 li heping 3 zhu jianbin 4 wang xiu 3 4 (1 dept.of electronic information and electrical engineering of sichuan university of science and technology chengdu 610039; 2 southwest institute of technical phisice
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On Optimum Design of the Shearer Drum
chen chong 1 tao chidong 2 (1 dept.of automobile and taraffic engineering; sichuan university of science and technology chengdu 610039; 2.deparment of mining mechanical engineering; cumt; xuzhou 221008)
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Study of the Electronegativity and Superconductivity
liu long jian 1 zhang zhuang jian (1 dept of electronic information and electric engineering of sichuan university of science and technology chengdu 610039; 2 dept of materials; fudan university shanghai 200433)
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