Funding for this research was provided by:
National Science & Technology Major Project (2017ZX05018-005)
National Natural Science Foundation of China (61402532)
Science Foundation of China University of Petroleum-Beijing (01JB0415)
Article History
Received: 23 September 2018
Revised: 25 June 2019
Accepted: 30 June 2019
First Online: 18 July 2019