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MINERAL URANIO [1 record]
Record 1 - internal organization data 1996-06-06
Record 1, English
Record 1, Subject field(s)
- Radioactive Ores (Mining)
Record 1, Main entry term, English
- uranium ore
1, record 1, English, uranium%20ore
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Initially, the [Port Hope] plant processed high-grade uranium ores to recover radium. A by-product of the refining process was uranium oxide, and, with increasing interest in nuclear energy, the emphasis switched to uranium production. By 1942, uranium extraction from ores had become the primary process and radium refining ceased in 1953. The radium circuit was dismantled in 1955, and replaced by a uranium refining circuit, which processed uranium concentrates (yellowcake) rather than uranium ores. ... a production facility was added to convert refined uranium oxide to uranium hexafluoride for export. The hexafluoride conversion facility was expanded in 1983.... 2, record 1, English, - uranium%20ore
Record 1, French
Record 1, Domaine(s)
- Minerais radioactifs (Mines métalliques)
Record 1, Main entry term, French
- minerai d'uranium
1, record 1, French, minerai%20d%27uranium
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- minerai de l'uranium 2, record 1, French, minerai%20de%20l%27uranium
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
«uranophane» : [...] très fréquente dans le minerai jaune d'uranium [...] 3, record 1, French, - minerai%20d%27uranium
Record number: 1, Textual support number: 2 CONT
L'uranium naturel est essentiellement composé de l'isotope fertile U 238, qui en représente plus de 99 % en masse, accompagné de l'isotope fissile U 235 (o,7 %). Leur désintégration radioactive entraîne la formation de descendants qui forment ainsi, avec leur père respectif, deux chaînes. Les minerais d'uranium contiennent tous les radionucléides, supposés en équilibre radioactif, de ces chaînes de décroissance. 4, record 1, French, - minerai%20d%27uranium
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Minerales radioactivos (Minas metálicas)
Record 1, Main entry term, Spanish
- mineral de uranio
1, record 1, Spanish, mineral%20de%20uranio
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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