作者单位:Sang Yimin(Department of environmental engineering,Beijing Institute of Petrochemical Technology,Beijing 102617;College of civil and environmental engineering,University of Science and Technology Beijing,Beijing 100083)Gu Qingbao,Li Fasheng(Department of soil pollution control,Chinese Research Academy of Environmental Science,Beijing 100012)Sun Tichang(College of civil and environmental engineering,University of Science and Technology Beijing,Beijing 100083)