1. State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
2. Research Institute of Petroleum Engineering, Shengli Oil Field China Petroleum & Chemical Corporation (SINOPEC) Dongying 257000 P. R. China
3. Petroleum Exploration and Production Research Institute China Petroleum & Chemical Corporation (SINOPEC) Beijing 100083 P. R. China
4. CAS Key Laboratory of Bio-inspired Materials and Interfacial Sciences Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China