Objective the study was undertaken to determine the content of residue solvent in drug and control it to reduce the harm to health.

目的研究药品中残留溶剂的测定方法，控制其含量，减少对人体健康的危害。

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The article introduces the types and sources of main air pollutants in house decoration, the harm to health, and the measurement method and protective measures of these pollutants.

论述了居室装修空气中主要污染物的种类、来源和对人体健康的危害，介绍了这些主要污染物的测量方法和防治措施。

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Some people hold the wrong idea that donating blood does harm to the donor's health, but the truth is that when a small amount of blood is taken out, the body will make a quick adjustment to it.

有些人认为献血对捐赠者的健康有害，但事实是，当取出少量血液时，身体会迅速进行调整。

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Ministers have ordered an independent review, due to report next summer, into the relationship between pricing and promotion of alcohol and the harm to health.

BBC: Ministers are concerned about cheap alcohol

The council spokeswoman added that the signs were "part of a programme of activity to reduce the harm of smoking tobacco to the health of Blackpool residents, particularly children".

BBC: The old and new smokefree signs for Blackpool parks

Neal pleaded guilty personally to breaches of environmental rules and also pleaded guilty on behalf of his two companies to depositing waste likely to cause pollution to the environment or harm to human health.

BBC: Gwent Levels waste dumping: David John Neal pleads guilty