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劳动卫生的首要任务是识别职业环境中的有害因素,进而控制人群的接触水平,达到预防的目的。但对人们在日常环境中接触大量的有毒有害物质进行常规监测是一项艰难的工作。传统的方法是通过测定环境中的暴露水平进行评估,但这种外暴露水平仅为机体接受有害物质的可能剂量,而无法真实地反映机体吸收、代谢、排泄、生物利用率及个体差异等有关资料。生物监测则可反映外来物和代谢物在体内的
The primary task of occupational hygiene is to identify the harmful elements in the occupational environment and then control the level of population exposure for the purpose of prevention. However, it is a difficult task to routinely monitor people’s exposure to large quantities of toxic and hazardous substances in their daily environment. The traditional method is to assess the level of exposure in the environment, but the level of external exposure is only the possible dose of the body to accept harmful substances, but can not truly reflect the body’s absorption, metabolism, excretion, bioavailability and individual differences, etc. data. Biological monitoring can reflect foreign objects and metabolites in the body