TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ECRAN INCIDENTS [3 records]

Record 1 2009-09-09

English

Subject field(s)
  • Measuring Instruments (Engineering)
  • Nuclear Fission Reactors
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.

French

Domaine(s)
  • Instruments de mesure (Ingénierie)
  • Réacteurs nucléaires de fission
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.

Spanish

Save record 1

Record 2 2000-12-08

English

Subject field(s)
  • Atomic Physics
  • Nuclear Power Stations
OBS

transmission factor: The ratio of the dose inside the shielding material to the outside (ambient) dose. Transmission factor is used to calculate the dose received through the shielding material.

French

Domaine(s)
  • Physique atomique
  • Centrales nucléaires
DEF

Rapport de la quantité de rayonnements ionisants ayant traversé un écran protecteur à la quantité de rayonnements ionisants incidents.

OBS

L’inverse du facteur de transmission de dose est le facteur d’atténuation.

Spanish

Save record 2

Record 3 1991-12-20

English

Subject field(s)
  • Informatics

French

Domaine(s)
  • Informatique

Spanish

Save record 3

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