1. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao 266580, Shandong, P. R. China
2. Shandong Provincial Key Laboratory of Oil & Gas Storage and Transportation Safety, Qingdao 266580, Shandong, P. R. China
3. Sino Oil King Shine Chemical Co., Ltd., Langfang 065000, Hebei, P. R. China
4. Western Norway Univ Appl Sci HVL, Fac Engn & Sci, Dept Safety Chem & Biomed Lab Sci, N-5063 Bergen, Norway