Liu, Chang
Wang, Lei
Yin, Jiang
Qi, Lipan
Feng, Yan
Funding for this research was provided by:
Hebei Province Science and Technology Plan projects (16227508D)
College Science and Technology Research Project of Hebei Province (QN2016134)
Article History
Received: 4 October 2017
Accepted: 14 February 2018
First Online: 1 March 2018