chlorine residual

• 余氯

chlorine residual的用法和样例：

例句

1. The formation of organic chloramines will reduce the disinfection efficacy and affect the determination of residual chlorine.
   消毒过程中有机氯胺的生成不仅会降低消毒效果，而且也会影响水体中余氯的测定。
2. The acute biological toxicity of residual chlorine and five organic chlorides against normal backflow activated sludge in a CHLOR-ALKALI factory was examined.
   取某氯碱厂正常回流的活性污泥对余氯及五种有机氯化物进行急性生物毒性试验。