1. Key Laboratory of Pesticides and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
2. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, P. R. China
3. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, P. R. China