Funding for this research was provided by:
National Natural Science Foundation of China (No. 41604082)
Major Project on Natural Science Study of the Department of Education (KJ2016SD17)
Scientific Research Activity Funding Project for Leaders in Academics and Technology in Anhui Province (No. 2016D079)
Article History
Received: 21 May 2018
Accepted: 11 August 2018
First Online: 22 August 2018