1. School of Environmental Science and EngineeringTianjin University Tianjin China
2. Tianjin Eco‐Environmental Monitoring Center Tianjin China
3. School of Energy and Safety EngineeringTianjin Chengjian University Tianjin China
4. Tianjin Academy of Environmental Sciences Tianjin China
5. Department of Chemistry and Environmental ScienceSchool of Science, Tibet University Lhasa China