stain removing agent是什么意思

用法例句

The effects of photocatalyst and photoinduction hydrophilicity principles of the active TiO 2 film on its performance of decontamination and antifogging have been studied.

综述比较了制备TiO2 薄膜的几种方法 ,研究了活性TiO2 膜的光催化原理 ,光诱导亲水性原理 ,除污防雾性能以及采用溶胶 凝胶法制备的TiO2 膜对两种含氯苯酚的降解效果。

A newly designed hybrid submerged membrane bioreactor was used to treat simulated domestic wastewater,and the contaminant removal performance of the reactor was investigated.

采用自行设计研制的复合膜生物反应器处理模拟生活污水,考察了系统的除污性能。

Using Pearl River source water as raw water, the contaminant removal effect of sand filter after the of biological aerated filter (BAF)/ozone pretreatment process was investigated.

以珠江广州段源水为处理对象,考察了曝气生物滤池(BAF)/臭氧(O3)预处理工艺后砂滤池的除污效果。