TERMIUM Plus®

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

MEAN DIAMETER [3 records]

Record 1 1997-10-05

English

Subject field(s)
  • Silviculture
  • Forestry Operations
OBS

According to the source FOFOR, mean diameter is a deprecated term.

French

Domaine(s)
  • Sylviculture
  • Exploitation forestière
OBS

Qualifie un arbre dont la surface terrière est égale à la moyenne des surfaces terrières du peuplement.

Spanish

Campo(s) temático(s)
  • Silvicultura
  • Explotación forestal
Save record 1

Record 2 1991-05-13

English

Subject field(s)
  • Air Pollution
  • Pollutants
  • Metrology and Units of Measure
DEF

A distribution parameter such that half of the particulate activity is associated with particles of smaller size.

CONT

It can be seen from the plot that particles of aerosol X have a mass median diameter of 2.0 [microns] (ordinate corresponding to 50% on the abscissa). In the case of aerosol Y, the sampler was not capable of accurately differentiating the sizes of particles below approximately 0.7 [microns], and more than 50% of the particles were smaller than the smallest measurable size.

French

Domaine(s)
  • Pollution de l'air
  • Agents de pollution
  • Unités de mesure et métrologie
CONT

L'ordre de grandeur du diamètre médian de l'aérosol résiduel après dessiccation des gouttelettes peut être calculé a priori à partir du diamètre des gouttelettes et de la composition de la solution utilisée. Ce dispositif a permis d'obtenir des aérosols monodispersés de diamètre médian compris entre 1 et 10 [micromètres] (DOP) et entre 0,5 et 10 [micromètres] (NaCl) avec des rendements allant de 5 à 30%.

Spanish

Save record 2

Record 3 1981-06-19

English

Subject field(s)
  • Bearings and Bearing Systems (Mechanical Components)

French

Domaine(s)
  • Paliers, coussinets et roulements (Composants mécaniques)

Spanish

Save record 3

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