TERMIUM Plus®

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

PLUIE ARTIFICIELLE [3 records]

Record 1 2004-02-10

English

Subject field(s)
  • Chemistry
  • Photography
  • Atmospheric, Climatic and Meteorological Phenomena
  • Reprography
DEF

A compound AgI occurring naturally as iodyrite and obtained synthetically as a yellow curdy precipitate when aqueous solutions of a silver salt and an iodide are mixed that darkens on exposure to light ...

OBS

... used chiefly in photography, in rainmaking, and in medicine in colloidal form in treatment of infections of mucuous membranes.

French

Domaine(s)
  • Chimie
  • Photographie
  • Phénomènes météorologiques, climatiques et atmosphériques
  • Reprographie
DEF

Poudre jaune pâle, inodore, insipide, noircissant par exposition à la lumière, cubique.

CONT

[...] les iodures des métaux alcalins (Na, K) sont employés dans la fabrication d’émulsions photographiques, de même que l’iodure d’argent. Ce dernier sert également à l’ensemencement des nuages.

CONT

Les cristaux d’iodure d’argent agissent comme amorces dans la formation des cristaux de glace. On ne sait pas encore s’ils agissent d’abord comme noyaux de congélation ou comme noyaux de sublimation.

OBS

Emplois : certaines émulsions photographiques, dispersion par avion pour produire la pluie artificielle; médecine.

Spanish

Campo(s) temático(s)
  • Química
  • Fotografía
  • Fenómenos meteorológicos, climáticos y atmosféricos
  • Reprografía
DEF

Polvo amarillo inodoro e insípido. Soluble en soluciones de ácido yodhídrico, yoduro potásico, cianuro potásico, cloruro sódico y tiosulfato sódico. Insoluble en agua. Tóxico.

Save record 1

Record 2 2002-10-31

English

Subject field(s)
  • General Scientific and Technical Vocabulary
  • Waterproofing (Construction)
  • Hydrology and Hydrography
  • Drainage and Irrigation (Agric.)
DEF

Water artificially applied in the form of rain, usually by a rainfall simulator for experimental purposes.

CONT

In BRI's laboratory for building foundation and soils, full-scale testing for soil dynamics is performed. A large-scale, shear soil layer box (5 m x 4 m x 10 m) is equipped in five large pits 6 m below ground to reproduce vibration of the ground during an earthquake. A test for rainfall is conducted in this laboratory using an artificial rainfall apparatus with an intensity up to 150 mm/h that addresses soil pressure during rainfall. In the wind and rain test laboratory, experiments are conducted on the effects of wind on buildings, the waterproof performance of finishes, and the air-flow characteristics in and around buildings.

CONT

They exposed different Sphagnum species to artificial rain (pH 4.2) containing different concentrations of bisulphite or sulphate, within the limits of very high values encountered in some samples of rain.

OBS

rainfall simulator: A device to simulate rainfall, primarily for use in determining infiltration on small areas. Some instruments permit application of droplets of controlled size, simulating natural rainfall; others use sprays. Sometimes called rain maker.

Key term(s)
  • artificial rain

French

Domaine(s)
  • Vocabulaire technique et scientifique général
  • Étanchéité (Construction)
  • Hydrologie et hydrographie
  • Drainage et irrigation (Agriculture)
CONT

On vérifie l'étanchéité à l'eau des fenêtres et portes-fenêtres en soumettant l'échantillon à une pluie artificielle projetée à différentes forces sur la surface extérieure du produit.

Spanish

Campo(s) temático(s)
  • Vocabulario técnico y científico general
  • Impermeabilización (Construcción)
  • Hidrología e hidrografía
  • Drenaje y riego (Agricultura)
Save record 2

Record 3 1999-10-22

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

Artificial increase of rainfall, usually by the introduction of a seeding agent into a cloud.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
DEF

Augmentation artificielle de la quantité de pluie, généralement par l'introduction d’un agent d’ensemencement dans un nuage.

Spanish

Campo(s) temático(s)
  • Fenómenos meteorológicos, climáticos y atmosféricos
DEF

Aumento de la lluvia producido por la introducción de un agente de siembra en las nubes.

Save record 3

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