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IONIZING RADIATION IN 21ST CENTURY

机译:21世纪的电离辐射

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摘要

Trying to assess the risk of ionizing radiation from a 21st century perspective we may start by looking at what we learned from the world's greatest nuclear accident that occurred almost 20 years ago: the Chernobyl catastrophe. For myself it was a dramatic personal experience, a difficult exam, which I am not sure I passed. For many people, but not all, engaged in radiological protection, it was a watershed that changed their view on the paradigm on which the present safety regulations are based, the holy mantra of LNT - linear no-threshold assumption, according to which even the lowest, near-zero doses of radiation may cause cancer and genetic harm. For everybody it might serve as a yardstick for comparison of radiation risks from natural and man-made sources (Figure 1). It also sheds light on how easily the global community may leave the realm of rationality facing an imaginary emergency.
机译:尝试从21世纪的角度评估电离辐射的风险,我们可能首先要看一下从近20年前发生的世界上最大的核事故:切尔诺贝利灾难中学到的知识。就我自己而言,这是一次戏剧性的个人经历,一次艰难的考试,我不确定自己是否通过了。对于许多(但不是全部)从事放射防护的人来说,这是一个分水岭,改变了他们对当前安全法规所基于的范式(LNT的圣言-线性无阈假设)的看法。最低,接近零剂量的辐射可能会导致癌症和遗传危害。对于每个人来说,它可以作为比较自然和人为源的辐射风险的标准(图1)。它也阐明了全球社会在面对想象中的紧急情况时可能多么容易离开理性领域。

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