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FREEZING NUCLEUS [3 records]

Record 1 2020-07-22

English

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

[A] nucleus which sets up the formation of ice crystals in the atmosphere ...

CONT

An ice nucleus may be either a freezing nucleus or a sublimation nucleus. Recent studies of ice nucleation strongly indicate that natural ice nuclei, whatever their exact physicochemical nature, are freezing nuclei rather than sublimation nuclei.

OBS

ice nucleus; ice-forming nucleus; ice-producing nucleus: The plural form of "nucleus" is "nuclei."

Key term(s)
  • ice nuclei
  • ice-forming nuclei
  • ice-producing nuclei

French

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

Noyau donnant naissance à de la glace [...]

CONT

[...] certains aérosols, appelés «noyaux glacigènes», peuvent provoquer la nucléation de gouttelettes à des températures de l'ordre de -4 °C; plus la température est basse, plus ils sont actifs, et c'est ainsi qu'à -20 °C, près de 90 % des gouttelettes ont été nucléées en glace.

Spanish

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

Núcleo que ocasiona la formación de cristales de hielo.

Save record 1

Record 2 2002-03-27

English

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

Nucleus on which the freezing of water occurs.

CONT

Freezing nuclei are thus special forms of ice nuclei which nucleate the liquid phase, while the other type, sublimation nuclei, nucleate the vapor phase in starting the growth of an ice crystal.

Key term(s)
  • freezing nuclei

French

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

Noyau sur lequel s'opère la congélation de l'eau.

Spanish

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

Núcleo sobre el que se produce la congelación del agua.

Save record 2

Record 3 2000-05-02

English

Subject field(s)
  • Meteorology
DEF

Sublimation or freezing nucleus composed of organic substances of vegetal or animal origin.

French

Domaine(s)
  • Météorologie
DEF

Noyau de condensation solide ou de congélation constitué par une substance organique, d'origine végétale ou animale.

Spanish

Campo(s) temático(s)
  • Meteorología
DEF

Núcleo de sublimación o congelación formado por una sustancia orgánica de origen vegetal o animal.

Save record 3

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