The house is regularly spraying with DDT.

房屋是定期用DDT喷。

Among them are DDT, aldrin, dieldrin, heptachlor, chlordane, lindane, endrin, mirex, hexachloride, and toxaphene.

DDT、剂、氯丹、林丹、异剂、毒杀芬等。

The results show that:The nephelometery is a kind of widely useful,rapid and reliable to measure the concentration of fines in the filtrate of DDT.

结果表明,通过测定滤液的浊度来推算滤液中细小组分浓度的方法(浊度法)是一种适用范围广、快速、准确的测定方法。

Nonbiodegradable pollutants, such as certain chlorinated hydrocarbon pesticides (e.g.DDT) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment.

生物不可降解的污染，如氯代烃类杀虫剂（如DDT）和工业废水中的重金属，如铅、铜和锌，在环境中积累。