TERMIUM Plus®

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DIMENSION PARTICULES [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-10-15

English

Subject field(s)
  • Soil Science
  • Scientific Measurements and Analyses
DEF

The size of grain, usually expressed in millimeters, [which is] determined by sieve analysis or wet mechanical analysis [and which, consequently, does] not [refer to] a true grain size, except for spherical grains.

CONT

Grain size increases from fine grained at the base to medium-to coarse-grained.

French

Domaine(s)
  • Science du sol
  • Mesures et analyse (Sciences)
CONT

La granulométrie passe de fine, à la base, à moyenne à grossière.

OBS

La granulométrie a pour objet la mesure de la taille des particules élémentaires qui constituent les ensembles de grains [...] et la définition des fréquences statistiques des différentes tailles de grains dans l'ensemble étudié.

OBS

Les termes énumérés ci-dessus étaient employés aussi bien avec «particule» qu'avec «grain» dans les sources consultées.

Key term(s)
  • calibre de la particule
  • calibre des particules
  • calibre des grains
  • grosseur des grains
  • grosseur de la particule
  • grosseur des particules
  • taille des grains
  • taille de la particule
  • taille des particules
  • diamètre des grains
  • diamètre de la particule
  • diamètre des particules
  • dimension des grains
  • dimension de la particule
  • dimension des particules

Spanish

Save record 1

Record 2 2005-05-19

English

Subject field(s)
  • Pollutants
  • Climatology
  • Air Pollution
DEF

The general dimensions (such as average diameter or volume) of the particles in a sediment or rock, or of the grains of a particular mineral that make up a sediment or rock, based on the premise that the particles are spheres or that the measurements made can be expressed as diameters of equivalent spheres.

DEF

The size of liquid or solid particles expressed as the average or equivalent diameter.

OBS

The term particle size is the subject of considerable confusion. In some cases it is used to designate particle radius, and in other cases it designates particle diameter. The rate at which a particle settles is a function of particle diameter and density. The settling rate is important in determining the effect of the particle in the atmosphere.

French

Domaine(s)
  • Agents de pollution
  • Climatologie
  • Pollution de l'air
CONT

Dimensions des particules, granulométrie. Les poussières rencontrées dans un gaz de combustion ou dans un gaz émis par un procédé industriel sont d'abord caractérisées par leur dimension. On peut ainsi distinguer : Poussières grossières : supérieures à 40-45 microns environ; Poussières moyennes : comprises entre 40 et 1 microns; Poussières fines : inférieures à 1 micron.

Spanish

Campo(s) temático(s)
  • Agentes contaminantes
  • Climatología
  • Contaminación del aire
Save record 2

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