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某工厂移动顶棚式X射线探伤室环境监测及评价

李青,马君健, 刘伟,陈庆锋,高新国,赵凌曦,张婧,丁世刚

Radiation Protection（2015）

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Abstract
采用451P加压电离室巡测仪对某工厂工业X射线探伤机在移动顶棚式探伤室内正常运行时其探伤室周边辐射环境进行监测.结果显示:曝光室防护门两侧门缝监测点位超标,其余监测点位辐射水平在0.15 ～0.37μGy/h范围内,能够满足2.5 μGy/h的限值要求.据此对曝光室防护门进行了屏蔽核算,提出了整改建议,并在防护门整改后进行了检测,其结果满足2.5 μGy/h的限值要求.并对职业人员及公众人员可能接受的年有效剂量进行了估算.
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