同时发现使用脱脂奶粉做封闭剂封闭后，由于奶粉颗粒易堵塞NC膜的孔径，影响NC膜的渗滤速度；
The infiltration rate of NC membrane would be affected by using skimmed milk powder as a blocking agent because the pore of NC membrane was easily plugged by milk powder particles.
试验对蚯蚓的耐水能力、蚯蚓负荷、污水浓度以及渗滤速度等因素对污水处理效果的影响进行了初步研究。
The water endurance of earthworms, earthworms loading, sewage concentration and percolation velocity which affected treatment efficiency were investigated.
为了评价矿石的可浸性，采用柱浸试验探讨了矿石粒度、溶浸剂浓度、渗滤速度、渗滤路径等条件对过程的影响。
The pole-leaching experiment was also undertaken under the condition of different granularity, leaching agent concentration, infiltration velocity and infiltration route etc.
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