TERMIUM Plus®

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MATERIAU MODERATEUR [1 record]

Record 1 - external organization data 2011-02-23

English

Subject field(s)
  • Atomic Physics
  • Nuclear Power Stations
  • Compartment - Canadian Nuclear Safety Commission
DEF

A material used to reduce neutron energy by scattering without appreciable capture. [Definition standardized by ISO.]

CONT

Typical moderators are graphite and heavy water materials consisting of light atoms which are poor neutron absorbers.

OBS

moderator: term standardized by ISO.

French

Domaine(s)
  • Physique atomique
  • Centrales nucléaires
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Matière utilisée pour réduire l'énergie de neutrons par diffusion sans capture appréciable. [Définition normalisée par l'ISO.]

CONT

L'eau lourde, le graphite et l'eau ordinaire sont les principaux modérateurs employés industriellement.

OBS

On emploie souvent le verbe modérer pour désigner l'action d'un modérateur.

OBS

modérateur : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Centrales nucleares
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
DEF

Sustancia de peso atómico bajo, capaz de reducir la velocidad de los neutrones y con poca tendencia a absorberlos.

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