radon造句

• If ventilation is poor , radon will accumulate in indoor areas
  如室内空气不流通，散发出来的氡气会积聚在室内。
• 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。
• It will consider introducing statutory control on radon levels in public places ; and
  会否考虑立例管制公共场所的氡气量及
• Estimation standards of personal cumulative exposure to radon decay products for miners
  矿工氡子体个人累积暴露量估算规范
• The radon exhalation rate is used as the basic factor of radon geological potential
  氡析出率是反映氡地质潜势的最好参数。
• Indoor radon distribution in switzerland : lognormality and extreme value theory
  瑞士室内氡气分布：对数常态及极端值理论。
• Krypton , xenon , radon
  氪、氙、氡
• Radon radon - 222 is a major source of natural radiation . it is the decay product of
  氡气特别是氡- 222是一个主要的天然辐射源。