radon

noun

1. 氡（放射性化学元素）
   a chemical element that is a radioactive gas used in the treatment of diseases such as cancer

1. 氡
   Radon is a radioactive element in the form of a gas.

1. There is an acknowledged risk of lung cancer from radon.
   氡被认为有诱发肺癌的危险。
2. Radon is known to be harmful to humans in large quantities
   众所周知，大量的氡会对人体造成伤害。
3. United States scientists have also placed radon monitoring stations in earthquake zones, particularly California.
   美国科学家也在地震区，特别是加利福尼亚，设置了检测站。
4. Radon is a gas that comes from the radioactive decay of radium in rocks.
   氡是来自岩石中镭辐射衰变而产生的气体。
5. Radon is a by-product of decayed uranium, which is found in the soil.
   氡是化学元素铀衰弱的后的副产物，会出现在土壤中。
6. Scientists in China, Russia, and the United States measure radon in ground water.
   中国、俄罗斯和美国的科学家测量地下水的氡含量。
7. Avoid environmental hazards such as radon, asbestos and air pollution.
   避免环境危害，减少对氡、石棉和大气污染的接触。
8. These results are valuable for reasonably determining the radon eduction rate in remedial action on decommissioned uranium mine.
   其结果对铀矿山退役治理中氡析出率的合理确定具有一定的参考价值。
9. When inhaled, the radiation exposure from radon may lead to lung cancer.
   当吸入之后，来自氡的放射暴露可导致人们罹患肺癌。
10. For the average citizen, by far the greatest exposure to radon comes in the home.
    对普通公民而言，尤其接触最多的氡来自家中。
11. Due to dilution in the air, outdoor radon levels are usually very low.
    鉴于在空气中的稀释，室外的氡水平通常很低。
12. Other causes include over exposure to radon, asbestos and air pollution.
    其他的病因包括氡，石棉的过度接触和过度暴露于空气污染。
13. Radon gas escapes easily from the ground into the air and emits heavily ionizing radiation called alpha particles.
    氡气很容易从地下释放到空气中并发射出称为阿尔法粒子的强致电离辐射。
14. The radioactive dust will contribute to higher levels of uranium and radon.
    放射性尘埃会形成铀和氡的高值。
15. Overall, reducing radon exposure is an important contribution to the goal of good quality indoor air.
    在总体上，减少氡接触对实现优质室内空气的目标具有很重要的作用。
16. As a product from the uranium disintegration, radon is a natural radioactive idle gas.
    氡是天然放射性惰性气体，是铀系衰变链中的一个衰变产物。
17. Its radon pollution is low, near to the environment background value.
    氡污染水平较低，接近环境本底水平值。
18. Radon is produced from the natural radioactive decay of uranium, which is found in rocks and soil.
    它产生于可在岩石和土壤中找到的铀自然的放射性衰变。
19. Study of Active Carbon Measuring Method for Indoor Radon and Radon Daughters
    活性炭盒法测量室内空气中氡及其氡子体的研究
20. Radon concentration in groundwater was measured at 18 points including two continuous recording stations.
    测量了包括两个连续记录台站在内共18个点的地下水的氡浓度。
21. The recognition and count of the nuclear track image provides an important basis for radon levels in surroundings.
    核径迹图像的识别与计数是环境中氡浓度测量的重要依据。
22. A radioactive, inert, gaseous isotope of radon, with a half-life of3.92 seconds.
    氡的一种放射性的，惰性的和气态的同位素，其半衰期为3。92秒。
23. In practical work, underground radon measurement provides the reference information for conducting other geophysical methods and implementing projects.
    在实际工作中地下氡测量将为其他物探方法、工程实施等提供借鉴参考。
24. Significant health effects have been seen in uranium miners who are exposed to high levels of radon.
    在接触高水平氡的铀矿工人中观察到显著的健康影响。
25. Radon gas in the environment, particles of the fire-resistant material asbestos and air pollution also increase the risk.
    环境中的氡气、防火材料石棉的颗粒以及空气污染也会增大患肺癌的风险性。
26. Geological background which is one of the main factors affecting indoor radon.
    其中地质背景是影响室内氡的主要因素之一。
27. Building codes should be implemented to reduce radon levels in homes under construction.
    应采用建筑规范，在住宅建筑中减少氡的水平。
28. Comparative Study of Early Toxic Effect in Rats Inhaled from Cigarette Smoke and Radon
    香烟烟雾和氡吸入对大鼠的毒效应比较研究

noun

1. a radioactive gaseous element formed by the disintegration of radium

   Synonym:    Rnatomic number 86