1. Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
2. College of Resources & Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
3. Department of Chemistry, George Washington University, Washington, District of Columbia 20006, United States
4. Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
5. Canadian Light Source Inc., University of Saskatchewan, 44 Innovation Boulevard, Saskatoon, Saskatchewan S7N 2V3, Canada
6. Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee DD1 5EH, Scotland, U.K.
7. State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil and Gas Pollution Control, College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China