He, Chunhua
Tang, Yaning
Ma, Wenxiu
Ma, Jinli
Funding for this research was provided by:
This study was funded by the Seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University (ZZ2018174)
This study was funded by the Natural Science Basic Research Program of Shaanxi (2017JM1024)
Article History
Received: 6 June 2018
Accepted: 29 August 2018
First Online: 14 September 2018