Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (No.lzujbky-2016-238)
National Natural Science Foundation of China (No.61175012)
2017 second batch of innovation base and innovative talents (Small and medium enterprises innovation fund 17CX2JA018)
Article History
Received: 3 May 2018
Revised: 22 October 2018
Accepted: 24 October 2018
First Online: 2 March 2019