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REMOVAL-DIFFUSION THEORY [1 record]

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Alphabetical list of terms

Record 1 2015-04-29

English

Subject field(s)
  • Nuclear Physics
DEF

A theory for the calculation of neutron attenuation in certain radiation shield materials treating the attenuation process in two steps: initially, a source of first-collision neutrons is determined by means of removal cross-sections; then, the resulting neutron flux density is calculated by diffusion theory.

OBS

removal-diffusion theory: term and definition standardized by ISO.

French

Domaine(s)
  • Physique nucléaire
DEF

Théorie pour le calcul de l'atténuation neutronique dans certains matériaux écrans traitant le processus d'atténuation en deux étapes : d'abord une source de neutrons de première collision est déterminée au moyen des sections efficaces de déplacement, ensuite le débit de fluence neutronique résultant est calculé par la théorie de la diffusion.

OBS

théorie de déplacement-diffusion : terme et définition normalisés par l'ISO.

Spanish

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