1. School of Resources, Environment and Materials, Guangxi University, Nanning, Guangxi 530004, China
2. School of Intelligent Equipment Engineering, Guangxi Agricultural Vocational and Technical University, Nanning 530009, China
3. School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, China
4. Publicity Department and United Front Work Department, Guangxi University of Information Engineering, Nanning 530200, China