Funding for this research was provided by:
National Natural Science Foundation of China (51605387)
Fundamental Research Funds for the Central Universities of China (3102015BJ(II)ZS007)
State Key Laboratory of Heavy Oil Processing (130-QP-2015)
Seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University (ZZ2018076)
Article History
Received: 15 January 2019
Accepted: 1 April 2019
First Online: 9 April 2019