TERMIUM Plus®

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Record 1 2019-07-17

English

Subject field(s)
  • Radiography (Medicine)
DEF

In radiology, [a] variation in intensity through the cross-section of the useful beam due to differential attenuation of x-rays emerging at varying angles from beneath the focal spot ...

OBS

... the intensity is greater on the cathode side.

French

Domaine(s)
  • Radiographie (Médecine)
CONT

On décrit ainsi l'effet talon [...] L'hétérogénéité du foyer thermique et l'inclinaison de l'anode font qu'il y a une fluence de photons (photons/mm²) plus importante en direction de la cathode (jusqu'à 30 % de différence); une partie du cliché est alors légèrement plus marquée par les photons X; l'effet talon diminue considérablement lorsque le détecteur est éloigné de la source.

Spanish

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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

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