Wu, WanQing
Zhang, HuanGuo
Funding for this research was provided by:
Scientific Research and Technology Development Program of Guangxi (2014CB340600)
Natural Science Foundation of Hebei Province (F2017201199)
Science and technology research project of Hebei higher education (QN2017020)
Article History
Received: 23 September 2018
Accepted: 7 January 2019
First Online: 16 January 2019