Zhao, Xiaoli
Yu, Xueying
Wang, Ying
Fan, Chunyang
Funding for this research was provided by:
National Natural Science Foundation of China (71373078)
National Natural Science Foundation of China (71403011)
National Natural Science Foundation of China (7140030534)
China University of Petroleum-Beijing (2462014YJRC052)
National Natural Science Foundation of China (71573273)
Article History
Received: 15 July 2015
Accepted: 9 February 2016
First Online: 5 March 2016
Free to read: This content has been made available to all.