The uncertainty of estimated dose by dose-effect curve is depending on the dose rate, especially, in the low dose range the influence is remarkable.

由于剂量率的影响，利用微核剂量效应曲线估算得到的剂量值，存在较大的不确定度，尤其进行低剂量估算时更明显；

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The estimated dose by conventional CA analysis in bone marrow of patient A in the present study is the highest among all of the radiation accident patients.

对肠型放射病患者A的剂量估算是迄今采用骨髓进行常规CA分析估计事故病人受照剂量的最高记录。

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But when the ratio was 1:0, the radiation dose was accordant with the estimated dose. Conclusions Chromosome aberrations could be a biomarker for estimating the uneven irradiation.

而在1：0组，照射剂量与估算剂量基本一致。结论染色体畸变可以作为估算非均匀照射的生物学指标之一。

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Volunteers are given tiny traces of a radioactively labelled drug too small to harm them, and typically just one-hundredth of the estimated full dose in a drink.

ECONOMIST: Monitor

In the first generation scanners, the dose was estimated to be up to 600 chest x-rays, but more recent technology has reduced the dose to nearly one fifth of the original estimates.

FORBES: Coronary CT Scans May Save You (And Your Hospital)