Kun Yang is a teacher at the School of Metallurgy and Energy Engineering at the Kunming University of Science and Technology, working in: 1. The Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China 2.Yunnan Provincial Key Laboratory of Intensification Metallurgy, Kunming University of Science and Technology, Kunming 650093, Yunnan, China