重量单位

And ORTT and OURO in the adhesive growth type of MBR was lower than that in the suspended growth type of MBR, but OURN was higher in the adhesive growth type of MBR than before.

胞外多聚物（ECP）是微生物重要产物，较高污泥浓度MBR中单位重量污泥产生ECP要远远大于污泥浓度MBR中ECP，且较高ECP含量易加重膜污染。