1) sediment anoxia
底泥厌氧环境
1.
1% addition treatment and then decreased with the increasing sediment anoxia,whereas the free amino acid(FAA) increased with the anxic level(up to 0.
通过向底泥中投加不同量的蔗糖使其发生厌氧反应以模拟不同程度的底泥厌氧环境,研究这种环境和光照强度对菹草石芽萌发和幼苗生理作用的影响。
2) anaerobic environment
厌氧环境
1.
An anaerobic environment exits in the shape of belt along the river.
污水补给地下水后 ,地下水化学环境在距河流一段距离先呈厌氧环境 ,其NH+4稳定 ,SO2 -4 减少 ,HCO-3 升高 ,随后逐渐向喜氧环境转化 ,导致NH+4 降低 ,NO-3 和NO-2 增加 ,HCO-3 减少 ,SO2 -4骤然增多 ,即出现强烈的硫化及硝化作用。
3) Anaerobic and aerobic environment
曝厌氧环境
4) sediment environmental dredging
底泥环境疏浚
5) alternating anaerobic/aerobic condition
交替式厌氧/好氧环境
1.
An alternating anaerobic/aerobic condition is built by controlling aeration time and aeration rate reasonably in the single reactor.
该工艺通过合理控制单个反应器的曝气时间和曝气量来构建交替式厌氧/好氧环境,试验中反应器内混合液的污泥沉降性能始终保持良好,平板膜没有进行化学清洗,未产生不可逆的膜污染;不同工况下系统对COD、氨氮、总氮和总磷的平均去除率分别达到96。
6) anaerobic sludge
厌氧污泥
1.
Study on cultivation and acclimation of anaerobic sludge for tetrachloroethylene degradation;
用于四氯乙烯降解的厌氧污泥的培养与驯化研究
2.
Effluent of primary sedimentation tank of WWTP was treated by anaerobic baffled reactor,and the effect of fly ash on accelerating startup of the reactor was investigated using anaerobic sludge added by fly ash as seeding sludge.
采用异波折流板厌氧反应器处理污水处理厂初沉池出水,以加入粉煤灰的厌氧污泥为接种污泥,考察了粉煤灰对该厌氧反应装置的加速启动效果。
3.
The ability of anaerobic sludge to degrade hexachlorobenzene(HCB) under different environmental conditions was studied with standard serum bottle tests.
采用标准血清瓶实验探讨了厌氧污泥对六氯苯(HCB)的降解活性以及各种环境因素的影响。
补充资料:病厌厌
1.见"病恹恹"。
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