TERMIUM Plus®

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MODERATION RATIO [1 record]

Record 1 - external organization data 2011-08-12

English

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

In a reactor, the ratio of the quantity of moderator material, over the quantity of fuel.

CONT

... for unspecified fissile materials, such as residues or scrap whose enrichment, mass, concentration, moderation ratio or density is not known, each unknown parameter must be assigned a value that results in the maximum credible reactivity during transport.

French

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

Dans un réacteur, rapport entre la quantité de modérateur (eau en ce qui concerne notamment les REP [réacteurs à eau sous pression]) et la quantité de combustible.

CONT

[...] dans le cas d'une matière fissile non spécifiée, tel un résidu ou un débris dont l'enrichissement, la masse, la concentration, le rapport de modération ou la densité n'est pas connu, on doit attribuer à tout paramètre inconnu la valeur qui donne la réactivité maximale la plus plausible pendant le transport.

Spanish

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