Tang, Erjun
Yao, Mengmeng
Du, Pengya
Yuan, Miao
Liu, Shaojie
Funding for this research was provided by:
National Natural Science Foundation of China (21304030)
Hebei Science and Technology planning Project of China (15391201D)
Science and Technology Foundation of Colleges and universities in Hebei Province, China (ZD2014086)
Scientific research foundation for returned scholars preferred project of Hebei Province, China (C201400516)