1. School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou, People’s Republic of China
2. BISG Rare-Earth Steel Iron-making Plant, Baotou, People’s Republic of China
3. Information Engineering Institute, Inner Mongolia University of Science and Technology, Baotou, People’s Republic of China
4. Department of Chemistry, Baotou Teachers’ College, Baotou, People’s Republic of China