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1·Results showed that with increase of the pressure, filter-pressing period and flocculant (Polyacry Lamide, PAM) dosage, the filtrate volume increased obviously.

结果表明，随着压力的增加、压滤时间的延长和絮凝剂聚丙烯酰胺(PAM)投加量的增加，所得净滤液量均明显增大。

2·A group of mud additives specifically designed to lower the volume of filtrate that passes through a filter medium.

降低泥浆通过渗透介质时的滤失量的一种特殊泥浆添加剂。