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我们对某化工厂接触TNT的作业工人进行体检，并采集发样进行锌、铜、铁含量的测定分析。接触组选自化工厂一车间TNT作业男工44名，对照组为该厂不接触TNT的二车间工人及管理干部13入。两组人员的工龄均在一年以上，且工龄、年龄等条件基本一致。监测结果车间空气中TNT浓度，在
We conducted a physical examination of workers exposed to TNT in a chemical plant and collected hair samples for the determination of zinc, copper and iron content. The contact group was selected from 44 TNT-operated male workers in a chemical plant workshop, while the control group included 13 workers in the second workshop and management cadres who did not contact the TNT. The two groups of staff are more than one year of service, and length of service, age and other conditions are basically the same. Monitoring results workshop air TNT concentration, at