1. The Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Key Laboratory of Groundwater Contamination and Remediation China Geological Survey & Hebei Province 050061 Shijiazhuang Hebei China
2. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education National Demonstration Center for Experimental Chemistry Education College of Chemistry & Material Science Northwest University 710127 Xi'an Shaanxi China
3. Nanyang Energy Chemical Co., Ltd SINOPEC Henan Oilfield Company 473132 Nanyang Henan China