Wen, Cheng
Liu, Junyu
Yu, Zhiqiang
Liu, Jin
Zhao, Zhiyan
Wang, Jing
Funding for this research was provided by:
National Natural Science Foundation of China (51807124)
Natural Science Foundation of Hebei Province (E2018210162, E2018210144)
Department of Education of Hebei Province (ZD2017069)
Article History
Received: 1 March 2019
Accepted: 10 April 2019
First Online: 29 April 2019