1. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
2. School of Emergency Science, Xihua University, Chengdu 610039, Sichuan Province, China
3. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China
4. Analytical and Testing Center, Chongqing University, Chongqing 400044, China
5. Hubei Three Gorges Laboratory, Yichang 443007, China