1. Ningxia Key Laboratory of Green Catalytic Materials and Technology, College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan, 756099, P. R. China
2. School of Civil and Hydraulic Engineering, Ningxia University, Yinchuan, 750021, P. R. China
3. Inner Mongolia Bairun Technology Co., Ltd., Alxa League, Inner Mongolia, 750300, P. R. China
4. School of Physics and Electronic and Electrical Engineering, Ningxia University, Yinchuan, 750021, P. R. China