Zhang, Qianqian
Wang, Huiwei
Wang, Yanchao
Yang, Mingnan
Zhu, Liang
Funding for this research was provided by:
National Natural Science Foundation of China (41401593)
Natural Science Foundation of Hebei Province of China (D2015504008)
the project of financial allocation of Shijiazhuang of Hebei Province of China (B201504)