TERMIUM Plus®

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MAJOR COMPONENT [3 records]

Record 1 2016-05-03

English

Subject field(s)
  • Chemical Elements and Compounds
  • Analytical Chemistry
DEF

A component whose content influences [the] physical properties [of the whole].

OBS

Main components of natural gases generally include: nitrogen, carbon dioxide and saturated hydrocarbons (from methane through pentane).

OBS

main component; major component: terms standardized by ISO in 2014.

French

Domaine(s)
  • Éléments et composés chimiques
  • Chimie analytique
DEF

Constituant dont la concentration influe sur les propriétés physiques [du tout].

OBS

Les constituants principaux des gaz naturels sont, en règle générale : l'azote, le dioxyde de carbone et les hydrocarbures saturés (du méthane jusqu'au pentane).

OBS

constituant principal; constituant majeur : termes normalisés par l'ISO en 2014.

Spanish

Save record 1

Record 2 2011-04-15

English

Subject field(s)
  • Management Operations (General)

French

Domaine(s)
  • Opérations de la gestion (Généralités)

Spanish

Save record 2

Record 3 2002-03-21

English

Subject field(s)
  • Air Pollution

French

Domaine(s)
  • Pollution de l'air
DEF

Substance quantitativement importante dans la composition de l'atmosphère terrestre.

OBS

On distingue les constituants majoritaires permanents, comme l'azote (78 % de l'atmosphère), l'oxygène (20 %) et les gaz rares (1 %), des constituants majoritaires transitoires, comme l'eau, le gaz carbonique ou les constituants qui varient avec la pollution.

Spanish

Campo(s) temático(s)
  • Contaminación del aire
Save record 3

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