TERMIUM Plus®

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REFLEXION FACTOR [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1991-05-23

English

Subject field(s)
  • Scientific Instruments
  • Optics
CONT

Comparative color analysis of shoe cream was done on a reflectance colorimeter showing that the total color strength in each product is equivalent.

OBS

"reflectance", [synonym :"reflexion factor"] : The ratio of energy returning from the surface of a sample to that returning from a reference surface, as measured by a specific apparatus. [Source: STROP 1974 p. 163, on a Termium record.

French

Domaine(s)
  • Instruments scientifiques
  • Optique
OBS

Spectrophotométrie. (...) pour la couleur de surface d'un objet, il est nécessaire de préciser la source étalon utilisée pour l'éclairer, et on donnera aussi la réflectance Y, la valeur 100 (ou 99) caractérisant le diffuseur blanc parfait.

OBS

Couleur d'une surface. (...) Y représente directement, en %, la réflectance visuelle (ou encore facteur de réflexion visuel) de l'échantillon considéré.

OBS

Selon Jacques Demers, traducteur physicien du Bureau de la traduction à Montréal, les expressions abstraites se forment à l'aide de la préposition "par", tandis que les appareils sont désignés par des expressions formées à l'aide de la préposition "à". P. EX. : "spectrophotométrie par réflectance".

Spanish

Save record 1

Record 2 1991-02-22

English

Subject field(s)
  • Photography
  • Pulp and Paper
  • General Scientific and Technical Vocabulary
DEF

The ratio of energy returning from the surface of a sample to that returning from a reference surface, as measured by a specific apparatus.

OBS

In photographic applications, the reference is often the base of the photographic printing material.

OBS

The term reflection factor is now recommended instead of the more usual reflectance.

French

Domaine(s)
  • Photographie
  • Pâtes et papier
  • Vocabulaire technique et scientifique général
DEF

Quantité de lumière incidente, d'une longueur d'onde déterminée, renvoyée par une surface.

OBS

Rapport du flux réfléchi au flux incident.

Spanish

Save record 2

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