TERMIUM Plus®

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ULTRAMICROSCOPE [5 records]

Record 1 2016-03-09

English

Subject field(s)
  • Atomic Physics
  • Scientific Measurements and Analyses
DEF

a very small particle that can be seen only with the ultramicroscope; specif. : one less than 1 x 10 (-4) centimeters in diameter.

French

Domaine(s)
  • Physique atomique
  • Mesures et analyse (Sciences)
DEF

Particule visible à l'ultramicroscope.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Medición y análisis (Ciencias)
DEF

Partícula cuyo diámetro es menor a un micra.

Save record 1

Record 2 1997-11-26

English

Subject field(s)
  • Electrochemistry
DEF

A technique in which the electrophoresis of individual particles is observed with the aid of a microscope or ultra-microscope.

French

Domaine(s)
  • Électrochimie
DEF

[...] technique par laquelle l'électrophorèse de particules individuelles est observée à l'aide d’un microscope ou d’un ultramicroscope.

Spanish

Save record 2

Record 3 1995-06-15

English

Subject field(s)
  • Metrology and Units of Measure
DEF

too small to be seen with an ordinary microscope.

French

Domaine(s)
  • Unités de mesure et métrologie
DEF

Qui ne peut être observé qu'à l'ultramicroscope.

CONT

Structure ultramicroscopique.

OBS

À distinguer de : inframicroscopique.

Spanish

Save record 3

Record 4 1981-01-26

English

Subject field(s)
  • Water Treatment (Water Supply)
  • Chemical Engineering
  • Wastewater Treatment
CONT

Flocculation consists in introducing into the water a substance (a reagent) capable of neutralizing the electrical charges on the micelles which are particles in spurious solution and only visible when using an ultramicroscope ...

French

Domaine(s)
  • Traitement des eaux
  • Génie chimique
  • Traitement des eaux usées
CONT

La floculation consiste à introduire dans l'eau un produit(réactif) capable de neutraliser les charges électriques des micelles, particules en fausse solution constituant les matières colloïdales et qui ne sont visibles qu'à l'ultramicroscope.

Spanish

Save record 4

Record 5 1975-03-11

English

Subject field(s)
  • Optical Instruments
  • Optics
  • Photography
OBS

ultramicroscope (also called dark-field microscope): A microscope with high-intensity illumination used to study very minute objects.

French

Domaine(s)
  • Instruments d'optique
  • Optique
  • Photographie
OBS

L'ultramicroscope utilise un éclairage particulier [...] la condition nécessaire est que ces objets, lumineux par eux-mêmes, soient observés sur un fond sombre.

Spanish

Save record 5

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