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RADIUM EMANATION [1 record]
Record 1 - internal organization data 2010-04-19
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Atmospheric Physics
- Radioactive Contamination
Record 1, Main entry term, English
- radon
1, record 1, English, radon
correct
Record 1, Abbreviations, English
- Rn 2, record 1, English, Rn
correct
Record 1, Synonyms, English
- radon gas 3, record 1, English, radon%20gas
correct
- radium emanation 4, record 1, English, radium%20emanation
correct, obsolete
- emanation 5, record 1, English, emanation
correct, obsolete
- Em 5, record 1, English, Em
correct, obsolete
- Em 5, record 1, English, Em
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A gas emitted by radioactive material in the Earth's crust and forming a minute constituent of the air near the ground. 6, record 1, English, - radon
Record number: 1, Textual support number: 1 CONT
Radon [is a] highly radioactive inert gas occurring in nature as radon-222, a decay daughter in the radioactive disintegration of uranium 238. It is an alpha particle emitter, having a half-life of 3.8 days and is a considerable hazard to those engaged in uranium mining, as its decay daughters are, too, radioactive. 7, record 1, English, - radon
Record number: 1, Textual support number: 2 CONT
Radon ... in group O (inert gases) of the periodic table formed by the disintegration of radium. 2, record 1, English, - radon
Record 1, French
Record 1, Domaine(s)
- Chimie
- Physique de l'atmosphère
- Pollution par radioactivité
Record 1, Main entry term, French
- radon
1, record 1, French, radon
correct, masculine noun
Record 1, Abbreviations, French
- Rn 2, record 1, French, Rn
correct
Record 1, Synonyms, French
- émanation du radium 3, record 1, French, %C3%A9manation%20du%20radium
correct, feminine noun, obsolete
- émanation 4, record 1, French, %C3%A9manation
correct, see observation, feminine noun, obsolete
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Gaz émis par des corps radioactifs de la croûte terrestre qui existe en quantité infime dans l'air près du sol. 5, record 1, French, - radon
Record number: 1, Textual support number: 1 CONT
Le radon [...] fut découvert en 1900 par Dorn qui l'appela «émanation du radium». En 1908-1910, Ramsay et Whytlaw-Gray isolèrent cet élément et découvrirent qu'il constituait le plus lourd des gaz connus. Il est inerte chimiquement et occupe la dernière place du groupe O de la classification périodique. 3, record 1, French, - radon
Record number: 1, Textual support number: 1 OBS
radon : gaz rare de symbole Rn, de numéro atomique 86, de nombre de masse 222, de période 3,825 j. 6, record 1, French, - radon
Record number: 1, Textual support number: 2 OBS
Le terme «émanation» désigne les gaz radioactifs produits par la désintégration de certaines substances radioactives. Ce sont les trois gaz du radon de nombres de masse 222, 219 et 220. Ce terme est tombé en désuétude. 7, record 1, French, - radon
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Física de la atmósfera
- Contaminación por radioactividad
Record 1, Main entry term, Spanish
- radón
1, record 1, Spanish, rad%C3%B3n
correct, masculine noun
Record 1, Abbreviations, Spanish
- Rn 2, record 1, Spanish, Rn
correct
Record 1, Synonyms, Spanish
- gas radón 3, record 1, Spanish, gas%20rad%C3%B3n
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Elemento químico artificial, radiactivo, de símbolo Rn, masa atómica del isótopo menos inestable 222 [...] Elemento monoatómico del grupo de los gases inertes. 4, record 1, Spanish, - rad%C3%B3n
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