TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

PRIMARY EMISSION [2 records]

Record 1 2011-06-07

English

Subject field(s)
  • Electronics
  • Vacuum Tubes (Electronics)
DEF

Thermionic, photoelectric or field emission of electrons.

OBS

primary emission: term standardized by IEEE; primary-electron emission: term standardized by IEC.

French

Domaine(s)
  • Électronique
  • Tubes et lampes (Électronique)
DEF

Émission thermoélectronique, photoélectrique, ou par effet de champ.

OBS

Terme normalisé par la CEI.

Spanish

Campo(s) temático(s)
  • Electrónica
  • Tubos de vacío (Electrónica)
DEF

Emisión de electrones debido a la irradiación, incluyendo la agitación térmica, o por la aplicación de un fuerte campo eléctrico a la superficie.

Save record 1

Record 2 1985-12-09

English

Subject field(s)
  • Air Pollution
CONT

These indirect effects [of automotive emissions] include the formation of photochemical oxidants from primary emissions of hydrocarbons and nitrogen oxides in the presence of sunlight and the formation of nitrates and nitric acid from emissions of nitrogen oxides. The end products all have known or suspected adverse effects on various receptors.

French

Domaine(s)
  • Pollution de l'air

Spanish

Save record 2

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