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METHODE DDT [1 record]
Record 1 - internal organization data 2010-11-29
Record 1, English
Record 1, Subject field(s)
- Analytical Chemistry
- Atomic Physics
Record 1, Main entry term, English
- differential die-away technique
1, record 1, English, differential%20die%2Daway%20technique
correct
Record 1, Abbreviations, English
- DDT 2, record 1, English, DDT
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Active inspection techniques measure [either] delayed radiation, differential die-away, or prompt neutrons. Prompt neutrons are immediately emitted when fission occurs, as opposed to delayed low-energy neutrons and gamma rays, which are emitted by the fission products anywhere from milliseconds to seconds after the fission event. The differential die-away technique pulses neutrons into the cargo and monitors perturbations (if any) in the die-away characteristics of the normal neutron fluence rate that occur between neutron pulses. 3, record 1, English, - differential%20die%2Daway%20technique
Record 1, Key term(s)
- differential die away technique
Record 1, French
Record 1, Domaine(s)
- Chimie analytique
- Physique atomique
Record 1, Main entry term, French
- méthode DDT
1, record 1, French, m%C3%A9thode%20DDT
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
[Technique d’] irradiation séquentielle [d’un objet] associée à la mesure des neutrons prompts entre les impulsions du générateur ou de l’accélérateur [de neutrons.] 2, record 1, French, - m%C3%A9thode%20DDT
Record number: 1, Textual support number: 1 CONT
[…] la méthode DDT permet d’atteindre de très basses limites de détection et ce, grâce à l’utilisation d’un générateur de neutrons (forte intensité interrogatrice [environ 108 à 2 X 109 nanosecondes exposant –1) associée à la mesure des neutrons prompts des fissions induites. 2, record 1, French, - m%C3%A9thode%20DDT
Record number: 1, Textual support number: 1 OBS
[…] quelques exemples d’application [de la méthode DDT] dans le domaine du cycle du combustible : — suivi et inventaire de la matière fissile dans les usines de retraitement; — contrôle de criticité dans les usines de retraitement ou de fabrication; — contrôle des fûts de déchets technologiques; — contrôle des déchets de grand volume contaminés en plutonium; — contrôle et caractérisation pour les besoins du démantèlement. 2, record 1, French, - m%C3%A9thode%20DDT
Record number: 1, Textual support number: 2 OBS
DDT : differential die-away technique. 3, record 1, French, - m%C3%A9thode%20DDT
Record 1, Spanish
Record 1, Textual support, Spanish
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