Sun, Zhongkui
Zhao, Nannan
Yang, Xiaoli
Xu, Wei
Funding for this research was provided by:
National Natural Science Foundation of China (11272258)
Seed and Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University (Z2017188)
Article History
Received: 8 August 2017
Accepted: 27 January 2018
First Online: 8 February 2018