1. School of Chemistry and Chemical Engineering, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing 400715, China
2. Chongqing Nan'an District Ecological Environment Monitoring Station, No. 5 Changdian Road, Nan'an District, Chongqing 401336, China
3. Chongqing No. 8 Secondary School, No. 96 Xiaolongkanzheng Street, Shapingba District, Chongqing 400030, China