谷物粉尘是一种成分复杂的有机粉尘,它对人体的危害情况已有不少报道。为探讨谷尘对接触工人鼻咽部的影响情况,我们对株洲12家米厂进行了调查,现将结果分析如下: 一、对象与方法以各厂谷尘作业工龄二年以上的在职工人为观察对象,删除部分有其他粉尘接触史的人员,进行详细的职业史询问和鼻咽部检查,同 Cereal dust is a complex organic dust, which has been reported on the human body hazards. To investigate the effect of grain dust on the nasopharynx of exposed workers, we conducted a survey on 12 rice plants in Zhuzhou. The results are analyzed as follows: I. Object and Method In-house workers who work for more than two years in the valley have a Observation object, delete part of the dust exposure history of other personnel, a detailed history of inquiry and nasopharyngeal examination, with