磁场对电解铝作业工人免疫功能影响的研究

对某铝厂电解车间采用CT_3-A型交直流特斯拉计测定了电解槽近场区不同高度、不同距离及人体表面不同部位的磁场强度。结果表明作业场所及人体体表的磁场强度为自然界磁场强度的数倍至数十倍。对接触磁场、工龄在20年以上的工人,进行了免疫功能的测定。结果表明该场所的磁场强度对工人免疫功能有抑制作用。由于该作业场所除磁场外,还有其他化学、物理因素的危害,因此,这种免疫功能的改变,可能是磁场等综合因素所造成的。

Change of immune functions of workers exposed to the magnetic field in electrolytic aluminium workshop

The magnetic field levels of electrolys-er radiating nearfield regions in an electro-lytic aluminium workshop were measuredwith Type CT_3-A alternate/direct currentelectric monitor at different levels, distancesand human surface parts. The results sho-wed that the magnetic field strength levelsof workplaces and human surfaces were asseveral or tens times of that in nature. Fur-thermore, the immune functions of the wo-rkers who exposed to magnetic field morethan 20 years. The results showed that theimmune functions of these workers weredecreased. Besides magnetic field, there wereother chemical and physical factors in theworkplace, so it might suggest that the changesof immune functions of the workers wereesult from several hazard factors in the ele-ctrolytic aluminium workshop in combination