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。
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。
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%。
Objective To explore the effect of long term, low dose occupational radiation exposure on workers health.
目的探讨低剂量长期职业辐射对作业人员健康状况的影响。
The findings that even relatively low-dose exposure to smoking increases MS risk raises the possibility that exposure to air pollution may similarly increase risk.
即使相对较低剂量的吸烟暴露也可以增加多发性硬化的患病风险，这一发现使得空气污染暴露同样增加MS患病风险的可能性升增高。
The overall findings demonstrate that long-term, low-dose exposure to PM alone did not cause signs of neurotoxicity to striatal dopaminergic neural terminals, or enhance the effects of MPTP.
总的说来我们的发现表明长期低剂量PM接触没有单独导致纹状体的多巴胺能的神经末端神经毒性的标志，或者提高了MPTP的作用。
Objective: To study the effect of low-dose medical X-ray exposure on micronucleus yield in workers, and provide valuable information for prevention of occupational diseases.
目的：探讨医用X射线对工作者做微核产额的影响，为日常的健康监护工作提供参考。
Objective: To study the chromosome aberration effect of low-dose occupational radiation exposure in medical X-ray workers.
目的：了解职业性低剂量外照射对医用X射线工作者的染色体畸变的影响。
Objective: To study the chromosome aberration effect of low-dose occupational radiation exposure in medical X-ray workers.
目的：了解职业性低剂量外照射对医用X射线工作者的染色体畸变的影响。
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