摘要
调查了上海市7家医院50余台x、γ射线装置,监测了工作环境和公众环境的辐射水平,并根据辐射防护规定进行评价。调查发现,由于少数设备老化,或防护门窗安装不当等,造成了环境剂量的增加。
About fifty medical X, r ray devices were surveyed and the radiation level at the operation environment in seven hospitals and surrounding environment was assessed according to radiation protection rules.The results showed that the dose in the environment arround some devices was over the permissible level. The main cause was thought to be connected with unproper installation of doors and windows. Necessury measures for protection should be taken by department concerned.
出处
《上海环境科学》
CAS
CSCD
1992年第3期40-41,共2页
Shanghai Environmental Sciences
