SHI Lan-xiang~1,ZHANG Bao-hua~2,LIANG Hong-wei~3,XIE Ying-hua~1,SHI Wen-lan~4(1.College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang Hebei 050018,China; 2. Shijiazhuang Copper and Alumimum Products Factory, Shijiazhuang Hebei 050011, China;3.Personnel Devision,Hebei University of Science and Technology,Shijiazhuang Hebei 050018,China;4.Department of Information Engineering and Automatization,Hebei Institute of Vocation and Technology,Shijiazhuang Hebei 050091,China)