Funding for this research was provided by:
National Natural Science Foundation of China (51778064)
Petroleum Science and Technology Innovation Foundation of China (2016D-5007-0605)
Natural Science Foundation of Hubei Province, China (2016CFA022)
Article History
Received: 16 May 2018
Revised: 25 October 2018
Accepted: 17 November 2018
First Online: 29 November 2018
Compliance with Ethical Standards
:
: The authors declare no conflict of interest.