| Affiliation: | 1 Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtse River) Ministry of Agriculture, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China;2 Department of Civil and Environmental Engineering, Environmental Chemistry and Technology Program, The University of Wisconsin-Madison, Madison, WI 53706, USA;3 Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China |
