Wei-yin, Li
Sha, Zhang
Lian, Hai
Funding for this research was provided by:
National Natural Science Foundation of China (11764001, 11647009)
Ningxia first-class discipline and scientific research projects (electronic science and technology) (NXYLXK2017A07)
Initial Research Program of North Minzu University (2016DX011)
Scientific Research Project of Ningxia High Education Institutions (NGY2017167)
Article History
Received: 20 March 2018
Accepted: 4 July 2018
First Online: 11 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.