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CHAMBRE IONISATION COMPENSEE DEPOT BORE [1 record]
Record 1 - internal organization data 2008-12-12
Record 1, English
Record 1, Subject field(s)
- Scientific Instruments
- Atomic Physics
- Nuclear Fission Reactors
Record 1, Main entry term, English
- boron-lined compensated ionization chamber
1, record 1, English, boron%2Dlined%20compensated%20ionization%20chamber
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The boron-lined compensated ionization chamber is a differential chamber formed by three electrodes which define two elementary chambers. The first elementary chamber is located between the positive high voltage polarization electrode and the signal electrode which collects the charges developed by ionization in the gas. The surfaces of the electrodes of this elementary chamber are covered with a boron lining. This elementary chamber is therefore sensitive to neutrons and to gamma rays. 1, record 1, English, - boron%2Dlined%20compensated%20ionization%20chamber
Record 1, French
Record 1, Domaine(s)
- Instruments scientifiques
- Physique atomique
- Réacteurs nucléaires de fission
Record 1, Main entry term, French
- chambre d'ionisation compensée à dépôt de bore
1, record 1, French, chambre%20d%27ionisation%20compens%C3%A9e%20%C3%A0%20d%C3%A9p%C3%B4t%20de%20bore
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
[...] chambre différentielle constituée de deux chambres élémentaires polarisées en opposition. 1, record 1, French, - chambre%20d%27ionisation%20compens%C3%A9e%20%C3%A0%20d%C3%A9p%C3%B4t%20de%20bore
Record number: 1, Textual support number: 1 OBS
L'une est sensible aux neutrons et aux gamma et l'autre aux seuls gamma. Les deux courants obtenus se soustraient et le courant résultant ne comporte qu'une faible composante due aux gamma, il est donc proportionnel à la puissance du réacteur. La dynamique de mesure d'une chambre d'ionisation compensée est très importante. Son domaine de fonctionnement se recouvre avec celui d'un détecteur impulsionnel travaillant aux faibles niveaux. 1, record 1, French, - chambre%20d%27ionisation%20compens%C3%A9e%20%C3%A0%20d%C3%A9p%C3%B4t%20de%20bore
Record 1, Spanish
Record 1, Textual support, Spanish
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