Then the modifier amount can be regarded as the best dosage that is confirmed by settlingvolume in liquid paraffin and the modified mechanism is given in the end of the paper.
然后通过在液体石蜡中的沉降体积验证了此改性剂用量可以作为最佳剂量，最后给出了偶联剂的改性机理。
2
Low power ultrasound can modify sludge bulking characteristics, improve sludge settling and dewatering properties, so decrease sludge water content and sludge volume.
小功率超声波能够改善污泥的膨胀特性、提高污泥沉淀特性和脱水能力、降低污泥的含水率，达到减量的目的。
3
Main factors affecting COD removal rate were orderly aeration volume, aeration and settling duration.