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。
Main factors affecting COD removal rate were orderly aeration volume, aeration and settling duration.
影响cod去除率的最主要因素为曝气量,曝气时间、沉淀时间也有一定影响。
This package is sold by weight, not by volume, and may not appear full due to settling of contents.
这个包是按重量出售,而不是数量,并可能不会出现因内容全部解决。
It is suggested that compaction, volume weight of submerged soil and settling rate may be used as the diagnostic indices of soil settling compactability.
文中提出建议,可以土壤坚实度、浸水容重和沉淀曲线作为此类土壤的诊断指标。
This package iss OLd by weight, not by volume, and may not appear full due to settling of contents.
这个包是按分量出卖,而不是数目,并能够不会呈现因形式所有处理。
This package iss OLd by weight, not by volume, and may not appear full due to settling of contents.
这个包是按分量出卖,而不是数目,并能够不会呈现因形式所有处理。
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