TERMIUM Plus®

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

UNIT CELL [3 records]

Record 1 2007-07-03

English

Subject field(s)
  • Chemistry
  • Mineralogy
  • Processing of Mineral Products
  • Mineral Processing (Metallurgy)
DEF

The fundamental parallelepiped that forms a "crystal lattice" by regular repetition in space.

French

Domaine(s)
  • Chimie
  • Minéralogie
  • Préparation des produits miniers
  • Minéralurgie (Métallurgie)
CONT

[Hauy] supposa que l'on pouvait continuer à casser le cristal [de calcite] jusqu'à l'obtention d'un très petit rhomboèdre qu'il nomma forme primitive et que nous appelons «maille». Cette notion de maille, étendue à tous les cristaux, permet d'exprimer les relations existant entre les différentes faces d'une même espèce minérale.

CONT

Maille d'un réseau cristallographique.

Spanish

Campo(s) temático(s)
  • Química
  • Mineralogía
  • Preparación de los productos mineros
  • Explotación de minerales (Metalurgia)
Save record 1

Record 2 1994-11-14

English

Subject field(s)
  • Computer Graphics
  • Mathematics
DEF

The homeomorphic image of the unit ball.

CONT

The model for computer simulation of inversion percolation shows the displacement of one fluid by another in porous media. The process is defined on a lattice. 1) A random number drawn from the uniform distribution on the unit interval is assigned to each site of a cell of linear size L. 2) The process starts with a seed particle or a surface and goes on by subsequent occupation of one of the perimeter sites (empty sites which are nearest neighbours of the cluster). 3) However, the perimeter site to be occupied is not selected randomly, but the one with the smallest random number or (corresponding to the smallest capillary force) is occupied. The process does not stop until the finite cell is filled in completely.

French

Domaine(s)
  • Infographie
  • Mathématiques
DEF

En simulation numérique, image homéomorphe de l'unité "boule".

PHR

ancrer, colorer, former, noircir, placer, remplir une cellule.

PHR

cellule cubique, désordonnée, dodécaédrique, hexagonale, haute, juxtaposée, large, longitudinale, radiale, régulière, simple.

PHR

cellule de Bénard, de convection, de Couette, de Hele-Shaw, de solidification.

PHR

agglomérat, bordure, mélange de cellules.

Spanish

Save record 2

Record 3 1989-03-01

English

Subject field(s)
  • Informatics

French

Domaine(s)
  • Informatique

Spanish

Save record 3

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