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首页> 外文期刊>Radioprotection >The use of uranium isotopes and the U/Th ratio to evaluate the fingerprint of plants following uranium releases from fuel cycle settlements
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The use of uranium isotopes and the U/Th ratio to evaluate the fingerprint of plants following uranium releases from fuel cycle settlements

机译：使用铀同位素和U / Th比评估燃料循环沉降中铀释放后植物的指纹

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摘要

This paper uses data from the environmental monitoring of fuel cycle settlements. It aims to evaluate uranium released into the terrestrial environment. Measurement of uranium isotopes in terrestrial plants allows illustrating the consequences of chronic and incidental releases of depleted uranium into the atmosphere. However, such an analytical approach reaches its limits when natural uranium is released. Indeed, distinguishing natural uranium from releases and uranium from the radiological background is difficult. For this reason, we propose normalizing uranium activity measured in plants taken in the surroundings of nuclear sites with respect to Th-232, considering that the source of this latter is the background.
机译：本文使用来自燃料循环沉降环境监测的数据。它旨在评估释放到陆地环境中的铀。陆地植物中铀同位素的测量可以说明贫铀向大气中长期和偶然释放的后果。但是，这种分析方法在释放天然铀时达到了极限。确实，很难将天然铀与释放和铀与放射学背景区分开。因此，我们建议将Th-232核源周围环境中的植物中测得的铀活性归一化，考虑到后者的来源是本底。

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