Funding for this research was provided by:
National Natural Science Foundation of China
Scientific Research Program Funded by Shaanxi Provincial Education Department
the fund of the State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology
Undergraduate Innovation and Entrepreneurship Training Program
Article History
Received: 10 March 2020
Accepted: 28 July 2020
First Online: 7 August 2020