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)
Natural Science Foundation of Hebei Province (E2018210144)
Department of Education of Hebei Province (ZD2017069)
Article History
Received: 1 March 2019
Accepted: 10 April 2019
First Online: 29 April 2019