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DATATION THERMOLUMINESCENCE [2 records]
Record 1 - internal organization data 1991-04-10
Record 1, English
Record 1, Subject field(s)
- Geology
- Chronology
Record 1, Main entry term, English
- thermoluminescent dating
1, record 1, English, thermoluminescent%20dating
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A method of dating applicable to material that have one been heated (e.g. pottery, lava flows). A fraction of the energy released by decay of long-lived radioactive nuclides is stored as trapped electrons, and this energy is released as light upon heating. The age of a sample can be determined if the natural thermoluminescence is measured, the thermoluminescence induced by a known radiation dose is measured, and the radiation dose received by the sample per unit time in the past is measured. 1, record 1, English, - thermoluminescent%20dating
Record 1, French
Record 1, Domaine(s)
- Géologie
- Chronologie
Record 1, Main entry term, French
- datation par thermoluminescence
1, record 1, French, datation%20par%20thermoluminescence
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Un minéral formé anciennement, ou ayant été recuit autrefois, subit une altération due à l'action des rayonnements émis par les isotopes radioactifs qu'il contient. les émissions lumineuses apparaissent à une température bien définie (350oC pour les terres cuites). Il suffit de mesurer avec précision la quantité de lumière pour connaître l'âge, car cette quantité est proportionnelle au flux de radiations intégrées par le matériau au cours du temps. Il faut faire un étalonnage du matériaux après recuit, par un flux de rayonnement artificiel connu, pour connaître la quantité spécifique de lumière qu'il émet. En outre, il faut mesurer la quantité d'isotopes radioactifs présents dans le matériau pour connaître le flux auquel il a été soumis par unité de temps. 1, record 1, French, - datation%20par%20thermoluminescence
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1989-09-14
Record 2, English
Record 2, Subject field(s)
- Archaeology
Record 2, Main entry term, English
- thermoluminescence dating
1, record 2, English, thermoluminescence%20dating
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
process of phosphorescence developed in a previously excited substance, as quartyz, upon gentle heating. 2, record 2, English, - thermoluminescence%20dating
Record 2, French
Record 2, Domaine(s)
- Archéologie
Record 2, Main entry term, French
- datation par thermoluminescence
1, record 2, French, datation%20par%20thermoluminescence
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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