随着对外开放政策的发展,我省在引进外资的同时,一些带有放射性的技术和作业也伴之而来,如发光计时钟表,带有铀、钍的玻璃,陶瓷器皿及合金等。用放射性核素镅-241作为主要原件的烟雾报警器也属此类。我省从事这种工作的单位多为合资或来料加工的乡镇企业。其工作人员多为20岁以下的女工, Along with the development of the policy of opening to the outside world, while introducing foreign investment in our province, some radioactive technologies and operations are also accompanied, such as luminescent chronographs, glass with uranium and thorium, ceramics and alloys. Smoke alarms that use radionuclide 镅-241 as their primary source also fall into this category. The units engaged in such work in our province are mostly township and village enterprises that are joint ventures or processing. Most of its staff are women under the age of 20,