论文部分内容阅读
葫芦岛某水泥厂1993年11月发现一活度为3.7GBq的137Cs放射源丢失。该厂1992年购进两台含有放射源的核子秤安装在水泥生产线上。1993年10月20日，工厂微机室某负责人带领工人将两个放射源（每个源活度为3．7GBq，放射源为137Cs）由生产线上拆下，准备安装到新引进的设备上。拆下
Huludao cement plant in November 1993 found a activity of 3.7GBq 137Cs radioactive sources lost. The plant purchased two nuclear scales containing radioactive sources in 1992 for installation on cement production lines. On October 20, 1993, a person in charge of the plant’s computer lab led the workers to remove two radioactive sources (3.7GBq each with a source of 137Cs) from the production line and prepare them for installation on newly introduced equipment . Remove