1. Provincial Key Laboratory of Oil & Gas Chemical Technology; College of Chemistry & Chemical Engineering; Northeast Petroleum University; Daqing 163318, Heilongjiang Province China
2. Daqing Chemical Research Center; Petrochemical Research Institute, Petrochina; Daqing 163714 China
3. College of mechanical science & engineering; Northeast Petroleum University, Daqing; 163318, Heilongjiang Province China