Wang, Liuchang
Zhang, Lu
Jiang, Yong
Li, Pengna
Funding for this research was provided by:
Natural Science Foundation of Shaanxi Province (2017JQ2028)
College Students' innovation and entrepreneurship training program (201711080011, 201711080014)
National Natural Science Foundation of China (21706209)
Special Natural Science Foundation of Science and Technology Bureau of Xi’an City (2019KJWL12)
Article History
Received: 4 August 2019
Accepted: 11 December 2019
First Online: 21 December 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.