为研究低浓度氰化物作业环境对工人职业危害 ,我们对某生产氰化钠大型化工厂在岗的 143名工人进行职业流行病学调查 ,现报告如下 :1　对象与方法1.1　对象　安庆市某化工厂氰化钠生产工人 143名 (男 110名 ,女 34名 )为接触组 ,平均年龄 2 7.4± 4.3岁 ,平均工龄 6 .5± 4.9年 In order to study the occupational hazards of workers in low-concentration cyanide working environment, we conducted a survey on occupational epidemiology of 143 workers in a large-scale chemical plant producing sodium cyanide. The report is as follows: 1. Subjects and Methods 1.1 Target Anqing Chemical Plant 143 sodium cyanide workers (110 males and 34 females) were exposed groups with an average age of 7.4 ± 4.3 years and an average length of service of 6.5 ± 4.9 years