Lowdoseexposure 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。
2
Animal studies on BPA found that low-doseexposure, 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。
3
Resu lts The direct digital imaging system had the advantages of lowexposuredose and good image quality. The first film rate was 91.3%.