1. Key
Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, P.R. China
2. China
Ionic Liquid Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
3. Petroleum
Engineering Technology Research Institute of Shengli Oilfield, Sinopec, Dongying 257000, P.R. China