Zhang, Dong-Sheng
Xu, Yun-Dou
Yao, Jian-Tao
Zhao, Yong-Sheng
Funding for this research was provided by:
National Natural Science Foundation of China (51405425)
Key Basic Research Program of Hebei Province’s Applied Basic Research Plan of China (15961805D)
Independent Research Program Topics of Young Teachers in Yanshan University (13LGA001)
Article History
Received: 19 March 2016
Accepted: 27 November 2016
First Online: 26 June 2018