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1)  runner sediment
铁沟沉积物
2)  iron deposit
铁沉积物
3)  ditch sediment
沟渠沉积物
1.
Static adsorption experiments were performed to investigate the adsorption characteristics of ammonium on soils and ditch sediments.
通过静态吸附实验,研究农田土壤及沟渠沉积物对氨氮的吸附作用。
2.
In order to effectively intercept and wipe off nitrogen in agricultural soil without polluting water body,the NH+4-N capacity of adsorption and nitrification of ditch sediment was researched and their interception was also contrasted,and further more the influence of pH,temperature,inlet density and DO on interception rate of NH+4-N were also discussed.
采用沟渠沉积物吸附效应实验和沟渠沉积物硝化效应实验方法,研究了沟渠沉积物对氨氮的吸附和硝化能力并对比了两者的截留效应,探讨了pH值、温度、进水氨氮浓度和DO对沟渠沉积物截留氨氮的影响。
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4)  ferruginous deposits
含铁沉积物<地>
5)  precipitate of iron oxide
氧化铁沉积物
6)  iron-oxide deposition
铁氧化物沉积
补充资料：铁沉积物
分子式：
CAS号：

性质：水系统中铁离子沉淀所产生的沉积物，即铁的腐蚀产物。

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