This 2 companies claimed to already was developed do not destroy ozonic product newly.

此二公司都声称已开发了新的不的产品。

Static experiments were carried out to study the effects of ozonic disintegration characteristics of waste activated sludge.

为统研究污泥后对活性污泥的影响,在活性污泥中通入进行污泥静态实验。