《英文msh词典》Thoron (Element)
[入口词] Thoron (Element)
[主题词] Radon
[药动学] Carcinogens,Environmental
[英文释义] Radon. A naturally radioactive element with atomic symbol Rn,atomic number 86,and atomic weight 222. It is a member of the noble gas family and released during the decay of radium and found in soil. There is a link between exposure to radon and lung cancer.