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METALES TIERRAS RARAS [1 record]
Record 1 - internal organization data 2004-04-01
Record 1, English
Record 1, Subject field(s)
- Geochemistry
- Chemistry
Record 1, Main entry term, English
- rare earth metals
1, record 1, English, rare%20earth%20metals
correct, plural
Record 1, Abbreviations, English
Record 1, Synonyms, English
- rare-earth metals 2, record 1, English, rare%2Dearth%20metals
correct, plural
- rare earth elements 3, record 1, English, rare%20earth%20elements
correct, plural
- rare-earth elements 4, record 1, English, rare%2Dearth%20elements
correct, plural
- REEs 4, record 1, English, REEs
correct, plural
- REEs 4, record 1, English, REEs
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A group of elements having atomic numbers from 57 to 71 usually with the inclusion of scandium and yttrium, which though outside this range, have similar properties. 5, record 1, English, - rare%20earth%20metals
Record number: 1, Textual support number: 1 CONT
Carbonatite-associated deposits are mined for rare-earth elements (REEs), niobium, iron, copper, apatite, vermiculite, and fluorite. 4, record 1, English, - rare%20earth%20metals
Record number: 1, Textual support number: 1 OBS
These [metals] have the source arrangement of the two external shells of electrons in their atoms, and resemble one another very closely in chemical and physical properties, being thus most difficult to separate from each other. It is to this, rather than their actual rarity in nature, that they are so described. 1, record 1, English, - rare%20earth%20metals
Record 1, French
Record 1, Domaine(s)
- Géochimie
- Chimie
Record 1, Main entry term, French
- métaux des terres rares
1, record 1, French, m%C3%A9taux%20des%20terres%20rares
correct, see observation, masculine noun, plural
Record 1, Abbreviations, French
Record 1, Synonyms, French
- éléments des terres rares 2, record 1, French, %C3%A9l%C3%A9ments%20des%20terres%20rares
correct, see observation, masculine noun, plural
- ÉTR 3, record 1, French, %C3%89TR
correct, masculine noun, plural
- ÉTR 3, record 1, French, %C3%89TR
- métaux des lanthanides 1, record 1, French, m%C3%A9taux%20des%20lanthanides
correct, see observation, masculine noun, plural
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Métaux appartenant au troisième groupe de la table périodique entre les numéros atomiques 57 et 71. 4, record 1, French, - m%C3%A9taux%20des%20terres%20rares
Record number: 1, Textual support number: 1 CONT
On désigne sous le nom de «métaux des terres rares» quinze éléments consécutifs de la classification, allant du numéro 57 au numéro 71. Ce sont le lanthane, le cérium, le praséodyme, le néodyme, le prométhéum, le somarium, l'europium, le gadolinium, le terbium, le dysprosium, l'holmium, l'erbium, le thulium, l'hytterbium et le lutétium. À ce groupe on adjoint fréquemment le scandium et l'yttrium, de propriétés très voisines. 1, record 1, French, - m%C3%A9taux%20des%20terres%20rares
Record number: 1, Textual support number: 2 CONT
Les gîtes associés à des carbonatites sont exploités pour les éléments des terres rares (ÉTR), le niobium, le fer, le cuivre, l'apatite, la vermiculite et la fluorine. 3, record 1, French, - m%C3%A9taux%20des%20terres%20rares
Record number: 1, Textual support number: 1 OBS
Au singulier, pour désigner un seul de ces éléments, on peut dire «métal du groupe des terres rares», «métal du groupe des lanthanides», ou encore «métal de la série des lanthanides». Le terme «lanthanides» est le nom générique des éléments des terres rares. 5, record 1, French, - m%C3%A9taux%20des%20terres%20rares
Record number: 1, Textual support number: 2 OBS
métaux des terres rares; éléments des terres rares; métaux des lanthanides : pluriel d'usage (terme collectif). 6, record 1, French, - m%C3%A9taux%20des%20terres%20rares
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Geoquímica
- Química
Record 1, Main entry term, Spanish
- metales de tierras raras
1, record 1, Spanish, metales%20de%20tierras%20raras
correct, masculine noun, plural
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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