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IMPUREZA [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2008-04-08

English

Subject field(s)
  • Pollution (General)
  • Industries - General
  • Aeronautical Engineering and Maintenance
DEF

A substance which is not intentionally present with another substance.

French

Domaine(s)
  • Pollution (Généralités)
  • Industries - Généralités
  • Aérotechnique et maintenance
DEF

Substance dont la présence dans une autre substance n'est pas intentionnelle.

OBS

impureté : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.

Spanish

Campo(s) temático(s)
  • Contaminación (Generalidades)
  • Industrias - Generalidades
  • Ingeniería aeronáutica y mantenimiento
DEF

[...] sustancia extraña en otra en baja concentración.

CONT

Por impureza se sobreentiende la parte residual de partículas extrañas que impide que un cuerpo pueda ser considerado como químicamente puro.

Save record 1

Record 2 2004-07-12

English

Subject field(s)
  • Semiconductors (Electronics)

French

Domaine(s)
  • Semi-conducteurs (Électronique)
DEF

Atomes d'un matériau étranger que l'on introduit dans un semiconducteur pour le doper.

Spanish

Campo(s) temático(s)
  • Semiconductores (Electrónica)
DEF

Átomo que se introduce artificialmente en las redes cristalinas del silicio y del germanio para conferirles propiedades semiconductoras al dotarlos así de electrones libres y de huecos prestos a alojarlos [...].

CONT

El exceso de huecos se produce por las impurezas del aceptador y el exceso de electrones se produce por las impurezas del donante.

Save record 2

Record 3 2004-06-18

English

Subject field(s)
  • Metallurgy - General
DEF

Metallic or non-metallic elements present but which are not intentionally added to, or retained by, a metal.

OBS

Term standardized by ISO.

French

Domaine(s)
  • Métallurgie générale
DEF

Éléments métalliques ou non qui sont présents, mais non intentionnellement ajoutés à ou conservés dans un métal.

OBS

Terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Metalurgia general
Save record 3

Record 4 2002-04-09

English

Subject field(s)
  • Atmospheric Physics
  • Air Pollution
DEF

Any foreign material that mixes with and contaminates the air in the atmosphere.

OBS

atmospheric impurities: Particles or gases which are alien to the normal constituents of the air and which occur in it in greatly varying quantities.

OBS

atmospheric impurity: term generally used in the plural (atmospheric impurities).

Key term(s)
  • atmospheric impurities
  • impurities in the atmosphere

French

Domaine(s)
  • Physique de l'atmosphère
  • Pollution de l'air
DEF

Particule ou gaz qui ne fait pas partie des éléments constitutifs permanents de l'air atmosphérique et qui s'y rencontre en quantité très variable.

OBS

impureté atmosphérique : terme habituellement utilisé au pluriel (impuretés atmosphériques).

Key term(s)
  • impuretés atmosphériques

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
  • Contaminación del aire
DEF

impurezas de la atmósfera: Partículas o gases que no están entre los que normalmente componen el aire y que se presentan en concentraciones muy variables.

Save record 4

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