activated sludge mixed liquor的用法和样例：
- The foam is caused by the excessive growth of some filamentous bacteria and actinomycetes in activated sludge mixed liquor.
- The variations of the polyphosphate content of the microorganisms in the activated sludge mixed liquor were investigated with a new analytical method.
- Sludge biotic index (SBI), based on the microfauna associated with activated sludge mixed liquor, has been devised to monitor activated sludge plant performance.
- anaerobic sludge mixed liquor