调查了长期接触丙酮氰醇作业工人45名,除了个别岗位,绝大部分空气样品氰化物浓度不超过0.3mg/m~3,对照组选择不接触有害因素行政人员350名。调查结果发现,接触组中咽充血53.3％,对照组为18.6％(P<0.01);神经衰弱8.9％,对照组为0.6％(P<0.01);血压偏低20％,对照 Investigated 45 long-term exposure to acetone cyanogen alcohol workers, except for individual positions, the vast majority of air samples cyanide concentration of not more than 0.3mg / m ~ 3, the control group chose not to contact the harmful elements of the administrative staff 350. The results showed that in the exposure group, pharyngeal congestion was 53.3% in the control group and 18.6% in the control group (ne); neurasthenia was 8.9% in the control group and 0.6% in the control group (P <0.01)