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NEUTRON EMITTER [3 records]
Record 1 - internal organization data 2017-04-13
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Nuclear Fission Reactors
Record 1, Main entry term, English
- tubular collector 1, record 1, English, tubular%20collector
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A self-powered neutron detector comprises a tubular collector, a tubular emitter surrounding this collector, and a tubular collector surrounding this emitter, with electrical insulation between the emitter and the two collectors. The collectors are electrically interconnected. This arrangement produces a detector suitable for external instrumentation on the outside of the pressure vessel of a reactor, for instance, a pressurized-water reactor. 1, record 1, English, - tubular%20collector
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Réacteurs nucléaires de fission
Record 1, Main entry term, French
- canne
1, record 1, French, canne
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les collectrons sont rassemblés pour constituer un faisceau introduit dans un tube creux fabriqué en Inconel. Cet ensemble est appelé canne. Suivant la hauteur active du cœur, il y a six à huit collectrons placés les uns au-dessus des autres. 1, record 1, French, - canne
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2009-09-09
Record 2, English
Record 2, Subject field(s)
- Measuring Instruments (Engineering)
- Nuclear Fission Reactors
Record 2, Main entry term, English
- shielded-emitter neutron detector
1, record 2, English, shielded%2Demitter%20neutron%20detector
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- shielded self-powered neutron detector 2, record 2, English, shielded%20self%2Dpowered%20neutron%20detector
proposal
- shielded SPND 2, record 2, English, shielded%20SPND
proposal
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
A self-powered neutron detector has a neutron-sensitive emitter, a collector enclosing this emitter and insulation between these two components. When irradiated by neutrons, the emitter generates Compton electrons so that a current is produced between the emitter and electrode and which may be used with a current-measuring device to provide a readout. The emitter is enclosed and electrically connected with a metal which is substantially neutron-insensitive so that the detector provides a substantially true and prompt signal accurately reflecting the neutron flux density received by the detector. 1, record 2, English, - shielded%2Demitter%20neutron%20detector
Record 2, French
Record 2, Domaine(s)
- Instruments de mesure (Ingénierie)
- Réacteurs nucléaires de fission
Record 2, Main entry term, French
- collectron chemisé
1, record 2, French, collectron%20chemis%C3%A9
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
développement de collectrons chemisés [...] Le CEA [Commissariat à l'énergie atomique] a travaillé sur les collectrons cobalt, qui sont intrinsèquement rapides, et a cherché à diminuer l'influence des rayonnements b et g incidents [...]. Pour ce faire, l'émetteur est chemisé avec un matériau de revêtement en acier. De plus ce chemisage joue le rôle d'écran vis-à-vis des électrons parasites nés dans l'émetteur : sa masse surfacique est calculée pour absorber les rayonnements b de faible énergie et ne laisser passer que les électrons prompts qui sont à haute énergie. 1, record 2, French, - collectron%20chemis%C3%A9
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - external organization data 1997-12-22
Record 3, English
Record 3, Subject field(s)
- Atomic Physics
- Compartment - Canadian Nuclear Safety Commission
Record 3, Main entry term, English
- neutron emitter
1, record 3, English, neutron%20emitter
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Pu-240 spoils the detonation because it is a prolific neutron emitter and thus it causes premature detonation resulting in a weak and unpredictable yield. As an experiment, Los Alamos weapons designers did make a bomb based on the type of plutonium recoverable from civilian nuclear waste, but it proved very weak and unreliable. 2, record 3, English, - neutron%20emitter
Record 3, French
Record 3, Domaine(s)
- Physique atomique
- Tiroir - Commission canadienne de sûreté nucléaire
Record 3, Main entry term, French
- émetteur de neutrons
1, record 3, French, %C3%A9metteur%20de%20neutrons
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
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