TERMIUM Plus®

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Consult the Government of Canada’s terminology data bank.

FRACTION TROUS [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-10-30

English

Subject field(s)
  • Remote Sensing
DEF

The percentage of gaps in the canopy at a given zenith angle.

CONT

TRAC [Tracing Radiation and Architecture of Canopies] is an optical instrument for measuring LAI [Leaf Area Index]. TRAC measures canopy gap size distribution in addition to canopy gap fraction.

OBS

[The gap fraction] is usually obtained from radiation transmittance.

French

Domaine(s)
  • Télédétection
DEF

Pourcentage de trous [du couvert forestier] à un angle zénithal donné.

CONT

TRAC [Tracing Radiation and Architecture of Canopies] est un instrument optique qui sert à mesurer l'ISF [Indice de surface foliaire]. Il mesure la distribution de la taille des trous en plus de la fraction de trous du couvert forestier.

OBS

On l’obtient généralement en mesurant la transmittance de la lumière.

Spanish

Save record 1

Record 2 2004-12-08

English

Subject field(s)
  • Blasting Work (Mining)
  • Mining Dangers and Mine Safety
DEF

A hole, shaped somewhat like the leg of a boot, caused by a blast that has failed to shatter the rock properly.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
  • Exploitation minière (dangers et sécurité)
DEF

En parlant d’un trou de mine, goulotte en forme de Y renversé dont les branches figurent les jambes d’une culotte.

CONT

Lorsqu'une mine a mal travaillé, si le trou [...] ne subsiste que sur une fraction de sa longueur, on dit qu'il y a «culot». [...] En effet, de tels trous peuvent, surtout avec l'amorçage antérieur, contenir encore des cartouches.

Spanish

Campo(s) temático(s)
  • Trabajo con explosivos (Explotación minera)
  • Explotación minera (peligros y seguridad)
DEF

Fondo de un barreno.

Save record 2

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