在极端情况下，科学家估计浮尘的放射性在个人的骨骼中的积累可以达到每年18毫雷姆(千分之一雷姆，衡量电离辐射剂量的单位)。
At one extreme, the scientists estimated fly ash radiation in individuals' bones at around 18 millirems (thousandths of a rem, a unit for measuring doses of ionizing radiation) a year.
中川解释说，正常情况下，日本核电站的工作人员积累的核辐射剂量限制在100毫希弗以内。
Nakagawa said that normally nuclear power plant workers in Japan are limited to accumulated radiation doses of 100 millisieverts.
结果表明针叶的有机自由基水平最能说明远紫外辐射剂量的积累效应。其次是叶绿体产生的O-·2 。
The results show that the cumulative effect of far_UV irradiation, is best indicated by the production of organic free radicals in the needles, O -· 2 production in chloroplasts is the next.
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