Su, Li-ning http://orcid.org/0000-0001-8118-7601
Song, Xiao-qing
Xue, Zhan-xia
Zheng, Chen-qing
Yin, Hai-feng
Wei, Hui-ping
Funding for this research was provided by:
the Key Project of Hebei North University (120177)
the Science and Technology Bureau Research Development Plan of Zhangjiakou City in Hebei , China (0911021D-4)
Article History
Received: 5 April 2017
Accepted: 16 August 2017
First Online: 20 April 2018