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Autoradiography in Localization of Beta Contamination in Facilities under Dismantling Process

机译:拆卸过程中设施中β污染本地化的放射自显影

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Nowadays, large numbers of facilities which are potentially contaminated by radionuclides are currently or will be soon under dismantling process. These facilities include old research laboratories built around 1960s. Before the facility can be dismantled, the potential radioactive contamination has to be quantified to ensure safe disposal. The activities in the wastes have to be under regulation limits, which vary with different radionuclides, type of waste, and destination of the waste [www.andra.fr]. Detection of gamma emitters in solid material is relatively easy because measurements can be carried out using gamma cameras, for example. However, detection of beta and alpha emitters is more complicated and often requires sampling and ex situ measurements. Mapping of beta contamination is the aim of this study.
机译:如今,大量可能受到放射性核素污染的设施目前或将要拆除。这些设施包括建于1960年代左右的旧研究实验室。在拆除设施之前,必须对潜在的放射性污染进行量化,以确保安全处置。废物中的活动必须受到法规的限制,该限制随放射性核素,废物类型和废物目的地的不同而不同[www.andra.fr]。固体材料中伽马发射器的检测相对容易,因为可以使用例如伽马相机进行测量。但是,β和α发射体的检测更为复杂,通常需要采样和非原位测量。绘制β污染图是这项研究的目的。

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