Funding for this research was provided by:
the Key Project of Ningxia Natural Science Foundation (2022AAC02043)
the National Natural Science Foundation of China under Grant (11961001, 61561001)
the Construction Project of First-class Subjects in Ningxia Higher Education (NXYLXK2017B09)
the Major Proprietary Funded Project of North Minzu University (ZDZX201901)
Article History
Accepted: 18 June 2022
First Online: 19 July 2022