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| radon | |||
| radium emanation | |||
| radon A radioactive gaseous element emitted naturally from rocks and minerals where radioactive elements are present. It is released in non-coal mines, e.g. tin, iron, fluorspar, uranium. Radon is an alpha particle emitter as are its decay products and has been indicted as a cause of excessive occurrence of lung cancer in uranium miners. Concern has been expressed at radon levels in some housing usually adjacent to granite rocks or old tin mining regions | |||
| emanium; emanon (obsolete) | |||
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| emanation; emanon | |||
| radioactive emanation; Em; niton; Nt; radon 222; radium emanation (222Rn, a nuclide) | |||
| radon (a chemical element) | |||
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Radon : 12 phrases, 7 sujets |
| Électronique | 1 |
| Environnement | 1 |
| Général | 1 |
| Mathématiques | 1 |
| Médical | 4 |
| Rayonnement nucléaire | 3 |
| Rôntgenographie | 1 |