1) 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。
2) runner sediment

铁沟沉积物
3) deposit
[英][dɪ'pɔzɪt] [美][dɪ'pɑzɪt]

沉积;沉积物
4) ditch
[英][dɪtʃ] [美][dɪtʃ]

沟渠
1.
Observation of natural death on snails in ditch in hills region;

丘陵地区沟渠钉螺自然死亡观察
2.
Effects of ditch network structure on landscape pattern in the Sanjiang Plain,Northeast China;
三江平原沟渠网络结构对区域景观格局的影响
3.
Effect of irrigation water quality on biodiversity of invertebrates living in water of rice field and ditch:;
灌溉水质对稻田沟渠水栖无脊椎动物多样性的影响
5) furrow
[英]['fʌrəʊ] [美]['fɝo]

沟,渠
6) sediment
[英]['sedɪmənt] [美]['sɛdəmənt]

沉淀,沉积物
补充资料:转死沟渠
1.见"转死沟壑"。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条