除镉外，各元素生物可用性最高的可交换态含量普遍较低。
Except for Cd, the content of the exchangeable species is generally lower.
重金属镉的形态多以可交换态存在，有利于治理污染和土壤修复。
Many heavy metal Cd exits in exchange condition, which is advantageous to the research of pollution repair and is more advantageous to the government pollution.
湾内沉积物中锌、镉、钴和镍的可交换态比例明显高于湾外，体现了沿岸污染径流输入的影响。
The proportions of exchangeable Zn, Cd, Co and Ni in the inner bay were higher than in the outer bay, indicating the impacts of pollutant input along the bank.
海泡石的添加能同时降低三种重金属在土壤中的可交换态，在多种重金属并存情况下具有很好的重金属稳定化修复作用。
Adding sepiolite can degrade the three exchangeable heavy metals and stabilize the heavy metal treatment effect especially when soil is contaminated by the multiple heavy metals.
应用连续浸提技术将土壤中Se划分为5种形态：水溶态、可交换态、酸溶态(碳酸盐及铁锰氧化物结合态)、有机物结合态、残渣态。
Application of sequential extraction technique in soil se into five forms: water soluble, exchangeable, acid soluble (carbonate and manganese oxides), organic matter bound and residual.
在有光的条件下，浮游藻类和一些光自养生物对沉积物水界面溶解态的营养盐的直接吸收，从而减少了上覆水中可与沉积物可交换的营养盐的含量；
Many phytoplankton and autotroph absorb the DIN of the bottom water that decrease content of DIN in bottom water and change the fluxes of the DIN.
在有光的条件下，浮游藻类和一些光自养生物对沉积物水界面溶解态的营养盐的直接吸收，从而减少了上覆水中可与沉积物可交换的营养盐的含量；
Many phytoplankton and autotroph absorb the DIN of the bottom water that decrease content of DIN in bottom water and change the fluxes of the DIN.
应用推荐