TERMIUM Plus®

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GERME ULTRAMICROSCOPIQUE [1 record]

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Record 1 1981-01-26

English

Subject field(s)
  • Chemistry
CONT

Granular contact mass equipment. The Gyractor. [This equipment makes] systematic use of large nucleus. Instead of leaving the calcium carbonate crystals to form ultra-microscopic nucleus use is made of a so-called catalytic mass consisting of grains of marble or sand between 200 microns and 1 mm in size.

French

Domaine(s)
  • Chimie
CONT

Appareil à masse de contact granulaire. Le Gyractor. [Cet appareil fait] l'emploi systématique de germes de grande dimension. Au lieu de laisser les cristaux de carbonate de calcium se former spontanément à partir de germes ultramicroscopiques, on utilise une masse dite catalysante constituée de grains de marbre ou de sable ayant des dimensions comprises entre 200 microns et 1 mm.

Spanish

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