The isothermal desorption of Cd was significantly correlated with isothermally absorbed Cd. It is noticeable that part of added Cd was fixed,which represented the Cd fixation capacity of vegetable garden soils.

 
  • 菜园土壤吸附的Cd2 +的解吸量与吸附量呈极显著正相关 ,但有相当大部分吸附的镉不能被解吸 ,而仍被土壤所固持
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