The influence mechanism of the hydrodynamic shear stress was analyzed by comparison of the morphological characteristics of activated sludge floc and the types of microorganism.

• 通过不同水流剪切力下活性污泥絮凝体形态及微生物类型的比较；分析了水流剪切力对活性污泥特性的影响机理.；结果表明:SBR系统中的活性污泥对水流剪切力的变化较敏感;