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本文对反复接触氯气9周后大鼠的气管、支气管及肺进行了组织学观察,将结果报告如下。材料和方法染毒用氯气由北京化工二厂提供,纯度为99.9%。染毒期间氯气浓度测定采用甲基橙法
In this paper, after repeated exposure to chlorine 9 weeks after the rat trachea, bronchi and lung histological observations, the results reported below. MATERIALS AND METHODS Chlorine for toxicity was provided by Beijing Chemical Plant No. 2 with a purity of 99.9%. Chlorine concentration during the determination of methyl orange method