Wang, Jintian
Zhang, Shixiao
Ma, Huijuan
Yang, Shijie
Liu, Zhao
Wu, Xiaolei
Wang, Sheng
Zhang, Yi
Liu, Yixian
Funding for this research was provided by:
Hebei province natural science foundation of China (C2014206363)
Hebei province Students innovative and entrepreneurial project (201510089016)