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- A radioactive, inert, gaseous isotope of radon, with a half-life of 3.92 seconds. 锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3.;92秒
- radon isotope 氡同位素
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- A radioactive, inert, gaseous isotope of radon, with a half - life of3.92seconds. 锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3。92秒
- A radioactive, inert, gaseous isotope of radon, with a half-life of3.92 seconds. 锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3.;92秒
- Where does the indoor radon come from? 室内氡气是从哪里而来?
- How does radon affect the human body? 氡气对人体有什么影响?
- The symbol for the isotope deuterium. 氘的化学符号同位素氘的符号
- Radon is the daughter of radium. 氡是镭的子体。
- A radon progeny continuous monitor was developed. 本工作研制氡子体连续测量仪。
- Its most common form, or isotope, has 146 neutrons. 它最常见的形式或者同位素有146个中子。
- IS ~(40)Ca_(20) A STABLE ISOTOPE? ~(40)Ca_(20)是否稳定?
- Simmons: Get me a sample and some isotope readings. 弄些样本和同位素读数。
- Isotope shifts and hyperfine structure spectrum[J]. 引用该论文 马洪良.
- The daughter nuclides of radon and thoron tend to become attached. 氡和钍射气的子体易被气溶胶吸附。
- Changes of nuclear mass and nuclear size cause isotope shifts. 原子核质量和大小的不同引起同位素移动。
- The isotope ratio is directly used for comparing oils or gases. 同位素比率直接用于比较各种石油或天然气。
- 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 and Decay Products-is There a Risk Outside the Lung? 氡及其子体对肺以外的组织器官是否有危险?
- Welcome to stay in our Radon Spring Chengtian Grand Hotel! 欢迎你下榻我们氡泉承天大酒店！
