Liu, Shuang
Zhao, Shuangshuang
Niu, Ben
Li, Jianxiong
Li, Haibin
Funding for this research was provided by:
the National Natural Science Foundation of China (Grant No. 61104040)
Talent project of Human Resources Department of Hebei Province (Grant No. A201500109)
University innovation team of Hebei Province Leading Talent Cultivation Project (Grant No. LJRC013)