9EPA. Municipal Solid Waste Generation,Recycling and Disposal in the United States:Facts and Figures for 2006[R].
10MARIE-PIERREPOMIES,NICOLAS LEQUEUX,PHILIPPE BOCH.Speciation of cadmium in cement PartⅠ.Cd2+uptake by C-S-H[J].Cement and Concrete Research,2001,31:563-569.