Screen protection against radiation overdose of radioactive level gauge in chemical plant and the relevant national standards are introduced.

针对化工生产装置常用的放射性液位计和国家标准，介绍射线剂量超标的屏蔽防护方法。

youdao

The installation of level gauge used for urea stripping tower, the structure and forming of radioactive rod source, and the calculation of its approximate linear graduation are described.

介绍了尿素汽提塔液位计的安装方式、棒状源的结构、源的组合形式，及近似线性刻度计算。

youdao