Meng, Hao
Xu, Shiqi
Yu, Zhijun
Li, Ningxin
Wang, Rongrong
Gao, Xiaohe
Yang, Xiaolong
Liu, Jingze
Funding for this research was provided by:
National Natural Science Foundation of China (31272372)
Key Basic Research Foundation of Hebei Province, China (15966502D)
Natural Science Research Programs of Educational Department of Hebei Province (Q2012072)
Natural Science Foundation of Hebei (C2015205124)