Water should be regularly chlorinated in public swimming baths to keep it pure.
公共游泳池的水应定期使用气,保持干净。
Water should be regularly chlorinated in public swimming baths to keep it pure.
公共游泳池的水应定期使用气,保持干净。
The reaction between polystyrene having oxazoline groups(RPS) and chlorinated polyethylene(CPE) was investigated by FTIR, DSC methods.
用FTIR、DSC等方法研究含恶唑啉官能团的聚苯乙烯(RPS)与聚乙烯(CPE)之间的反应。
A further problem arises, particularly, in the use of chlorinated hydrocarbons, because of their susceptibility to biomagnification.
进一步的问题出现,特别是在使用烃中,这是由于它们对生物放大作用的灵敏性。
With the mixture tests design, the interaction mechanism of borate, chlorinated paraffin and zinc dialkyldi thiophosphate (ZDDP) additives is studied.
用混料试验设计方法,研究硼酸酯、蜡和二烷基二硫代磷酸锌(ZDDP)的相互作用机理。
It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.
介绍溴()代丙基亚锑酸酯及其中间体烯丙基亚锑酸酯的合成方法及应用试验结果。
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。
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