1·Study the biological limit of urine trans, trans-muconic acid for occupational exposure to benzene.
研究尿中反式，反粘康酸对苯职业接触的生物学极限。
2·Those at risk of occupational exposure should
面临职业性接触风险者应
3·Protection of persons at risk of occupational exposure 1.
保护面临职业性接触风险者1。
4·To study the biological limit values for occupational exposure to styrene.
研究职业接触苯乙烯的生物限值。
5·Occupational exposure to mercury also has not been associated with leukaemia.
职业性暴露于汞也与白血病没有相关性。
6·All six people who were antibody positive reported occupational exposure to pigs.
据报告，抗体阳性的所有6个人都在工作中接触猪。
7·To explore the causes of occupational exposure and protective measure for medical workers.
探讨某医院医务人员发生职业暴露的原因及防护措施。
8·We should give greater attention to indoor and occupational exposure of lung cancer victims.
我们应该对肺癌死亡者的室内暴露和职业暴露予以更大的注意。
9·The occupational exposure limits (OELs) of wood dust in different countries are however not the same.
不同国家的木粉尘的职业接触极限值（或极限值）却不尽相同。
10·It is up to the astute clinician to evaluate these changes and to relate them to occupational exposure.
机敏的医师可以估价这些变化，并找出它们与职业性暴露的关系。