Low dose exposure to caesium-137, even over a long period of time, is perhaps not as damaging to health as we would have predicted.

低剂量的铯137辐射，即使辐射时间很长，恐怕也不会造成我们所设想的那种对健康的破坏。

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Animal studies on BPA found that low-dose exposure, particularly during pregnancy, may be associated with a variety of ills, including cancer and reproductive problems.

在BPA的动物实验中发现低剂量的这种物质可以造成疾病，尤其怀孕和包括癌症和生殖问题。

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Resu lts The direct digital imaging system had the advantages of low exposure dose and good image quality. The first film rate was 91.3%.

结果直接成像系统具有曝光剂量小、图像质量佳等饰点，其甲级片率达到91.3%。

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The developing fetus and infant has demonstrated a predisposition to cancer from various types of low-dose radiation exposure within a decade.

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The NRC says there are no data to reliably estimate the occurrence of cancer following exposure to low doses and dose rates below about 100, 000 microsieverts.

WSJ: Radiation's Effect Depends on Amount

This report will further examine this susceptibility by analyzing temporal trends in childhood cancer in populations exposed to low-dose nuclear power plant emissions 5-10 years after initial exposure.

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