occupational group

PARTICIPANTS: The study was performed in the original Department of Occupational Diseases, Toxic and Chemical Laboratory, Jiangsu Hospital of Prevention and Treatment for Occupational Disease from January 2002 and December 2003.Contact groups were termite control group, arsenic producing group and chlordane producing group.

对象：该研究于2002-01/2003-12在原江苏省职业病防治院职业病科和毒化实验室完成。接触组分设为白蚁防治组、砷药物生产组和氯丹生产组。

The average level of blood Pb, the values of three renal functional indices ( UNAG, U β 2-MG and UTP) and the level of urinary ALA in occupational Pb exposure group was remarkably higher than that of environmental Pb exposure group, respectively.

职业铅接触组血铅、尿ALA、尿TP、尿NAG测定值均明显高于环境铅接触组（P<0.01）。

The results manifested that the intensity of adverse occupational factors in drivers and busmen s work environment were higher than that in control group.

结果司售人员工作环境中的有害因素强度明显高于对照组室内工作环境，他们的自觉症状头痛头晕、睡眠障碍、记忆力减退、全身乏力症状的发生率显著高于对照组。

By 1925, blue-collar workers in manufacturing industry had become the largest occupational group.

到1925年，制造业的蓝领工人已成为最大的职业群体。

There was significant difference in tail length, Olive Tail Moment of SCGE ( lg χ± s) of occupational exposure workers compared with the control group ( P < 0.05).

单细胞凝胶电泳的彗星尾长、Olive尾矩（lgχ±s）与对照组比较，均有显著性差异（P