Affiliation: | 1. College of Chemistry &2. Chemical Engineering, Ocean University of China, Qingdao, Shandong, China;3. Shengli Oil Production Research Institution, Sinopec, Dongying, Shandong, China;4. China Petroleum &5. Chemicarl Corporation, Beijing, China;6. Shengli Oil Production Research Institution, Sinopec, Dongying, Shandong, China |