Zhang, Bei
Zhao, Jikun
Chen, Shaochun
Yang, Yongqin
Funding for this research was provided by:
National Natural Science Foundation of China (11371331, 11501524)
Key scientific research projects in colleges and universities in Henan Province (18A110030)
Startup Research Fund of Zhengzhou University (32210515)
Article History
Received: 4 June 2017
Accepted: 22 December 2017
First Online: 19 February 2018