Funding for this research was provided by:
National Natural Science Foundation of China (CN) (No 61232001, No 61173169)
National Natural Science Foundation of China (CN), (No 91646115, No 60903222)
Natural Science Foundation of & nbsp;Hunan Province (No 2016JJ2149)
Major Science & Technology Research Program for Strategic Emerging 595 Industry of Hunan (No.2012GK4054)
Article History
Received: 12 October 2017
Revised: 16 February 2018
Accepted: 25 May 2018
First Online: 3 September 2018