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天然钍是一个生物半排期很长(~(232)Th为156年)的高毒性元素。为了保证每个从事钍的放射性操作的工作人员的健康和安全,应对他们进行尿中钍的监测,为此建立了尿中钍的测定方法。
Natural thorium is a highly toxic element with a long biological half-life (~ (232) Th is 156 years). In order to ensure the health and safety of each staff engaged in radiological operations for thorium, monitoring of urinary thorium should be performed on them and a urinary determination of thorium was established.