论文部分内容阅读
报道：1990年对北京某化工厂氯乙烯车间进行了卫生学调查。该车间空气中氯乙烯浓度,经测定年平均浓度(1985～1990年)均未超标,但瞬时超标时有发生。检查了氯乙烯作业工人188人(男117人,女71人),平均年龄30.86岁,工龄为1～43年。选某化机厂作业工人155人为对照组,平均年龄33.27岁,工龄为1～
Report: In 1990, a chemical plant in Beijing, vinyl chloride workshop conducted a hygiene survey. The concentration of vinyl chloride in the air workshop, the measured annual average concentration (1985 ~ 1990) did not exceed the standard, but the instantaneous excessive standard occurs. A total of 188 workers (117 males and 71 females) were examined. The average age was 30.86 years and the length of service was between 1 and 43 years. 155 workers selected a machine factory workers for the control group, with an average age of 33.27 years, length of service 1 ~