concentration of sludge的用法和样例：
例句
- Concentration of MISS in aerobic membrane Bioreactor is increased when the HRT becomes longer.
好氧膜生物反应器内污泥浓度也随着水力停留时间的增加而相应地增加。 - It was also observed that the increase in sludge concentration resulted in the reduction of CFV along membrane surfaces which would influence the operation of the submerged MBR.
同时污泥浓度的上升会导致膜面错流速度的降低，不利于控制膜污染。
