1. College of Mechanical Engineering and Automation Shandong Institute of Petrochemical Technology Dongying 257001 P. R. China
2. College of Mechanic and Electronic Engineering China University of Petroleum (East China) Qingdao 266580 P. R. China
3. Shengli Oil Field Petroleum Engineering Technology Research Institute Sinopec Dongying 257000 P. R. China
4. School of Pharmacy Jiangsu University Zhenjiang 212013 P. R. China
5. School of Chemical Engineering Chongqing University of Technology Chongqing 400054 P. R. China