Funding for this research was provided by:
National Natural Science Foundation of China (U1711266, U1711267)
Natural Science Foundation of Hubei Province (2015CFB450)
Fundamental Research Founds for National University, China University of Geosciences, Wuhan
Article History
Received: 27 November 2017
Accepted: 22 December 2018
First Online: 2 January 2019