1. State Key Laboratory of Heavy Oil Processing, Petroleum Molecular Engineering Center (PMEC), China University of Petroleum, Beijing 102249, PR China
2. Heavy Oil Processing Laboratory, Petrochemical Research Institute, PetroChina Company Limited, Beijing 102266, PR China
3. CNPC Petrochemical Research Institute and China University of Petroleum Joint Laboratory of Petroleum Molecular Refining, Beijing 102249, PR China