Funding for this research was provided by:
The Project supported by the Natural Science Foundation of Anhui Province, China</ (1508085MA15)
The Key project of cultivation of leading talents in Universities of Anhui Provence (gxbjZD2016014)
The Innovation and practice research project of graduate students of Anhui Normal University, China (2017 cxsj045)
The project of Academic and technical leaders candidate of Anhui Province (2017H117)
The Natural Science Foundation of the Anhui Higher Education Institutions (KJ2017A331)
Article History
Received: 6 April 2018
Accepted: 16 August 2018
First Online: 14 November 2018