TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

A cloud chamber containing air supersaturated with water vapor by sudden expansion, in which rapidly moving nuclear particles such as alpha or beta rays produced ionization tracks by condensation of vapor on the ions produced by the rays.  4, fiche 1, Anglais, - Wilson%20cloud%20chamber

Record number: 1, Textual support number: 1 CONT

Cloud chambers were first developed by Charles T.R. Wilson around 1911 for experiments on the formation of rain clouds. Wilson knew that water vapour condensed around ions, atoms which have become charged by gaining or losing electrons. However, an alpha particle, for example, which had an electric charge, would leave a trail of ions as it passed through a gas. If water vapour condensed on these ions, the track of the alpha particle would become visible as a line of water droplets.  2, fiche 1, Anglais, - Wilson%20cloud%20chamber

Record number: 1, Textual support number: 2 CONT

There are two basic types of cloud chambers in use today; (1) the expansion chamber ... which depends upon expansion of the air, within the chamber, to cool it and thus create a supersaturated atmosphere, and (2) the continuous or diffusion type chamber ..., that creates a supersaturated atmosphere by diffusion of vapor from the warm upper region of the chamber to the cooled bottom of the chamber. In both types, electrically charged ions created by nuclear particles colliding with atoms within the chamber atmosphere, serve as nuclei of condensation.  5, fiche 1, Anglais, - Wilson%20cloud%20chamber

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 DEF

Chambre à nuage dans laquelle la sursaturation de la vapeur est obtenue pendant un court intervalle de temps par une détente rapide.  1, fiche 1, Français, - chambre%20de%20Wilson

Fiche 1,  Justifications,  Espagnol

Record number: 1, Textual support number: 1 DEF

Recipiente, a menudo cilíndrico, dotado de una ventana transparente y de un pistón móvil que permite que el vapor de agua en el recipiente se expanda y se condense cuando la presión disminuye al ser desplazado el pistón hacia afuera.  2, fiche 1, Espagnol, - c%C3%A1mara%20de%20Wilson

Fiche 2,  Justifications,  Français

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 OBS

Term(s) taken from a Canadian laboratory-equipment company's catalogue.  1, fiche 3, Anglais, - expansion%20chamber

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 OBS

Terme(s) tiré(s) du catalogue d'une compagnie canadienne d'équipement de laboratoire.  1, fiche 3, Français, - chambre%20d%27expansion

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 CONT

An aircraft ... comprising a venting chamber conduit provided between the venting outlet of the venting chamber and an overflow chamber, the overflow chamber being provided with an overflow venting outlet for permitting fluid communication between the overflow chamber and the exterior of the aircraft.  2, fiche 4, Anglais, - overflow%20chamber

Fiche 4,  Justifications,  Français

Record number: 4, Textual support number: 1 OBS

chambre d'expansion : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.  2, fiche 4, Français, - chambre%20d%27expansion

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

Record number: 5, Textual support number: 1 CONT

DETERMINATION OF THE MEAN DEPRESSION OF ZERO OF THERMOMETERS ... The expansion chamber must be large enough to allow the thermometers to be heated to 400 °C without damage ....  1, fiche 5, Anglais, - expansion%20chamber

Fiche 5,  Justifications,  Français

Record number: 5, Textual support number: 1 CONT

DÉTERMINATION DE LA DÉPRESSION MOYENNE DU ZERO DES THERMOMÈTRES (...) La chambre d'expansion doit être suffisamment grande afin que les thermomètres puissent être échauffés jusqu'à 400 °C sans être endommagés.  1, fiche 5, Français, - chambre%20d%27expansion

Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

Record number: 6, Textual support number: 1 OBS

(...) this method of construction provides a large amount of cooling surface and (...) the pressure of the gas is reduced just as much by the cooling effect as it is by the increase in volume permitted by the --.  1, fiche 6, Anglais, - expansion%20chamber

Fiche 6,  Justifications,  Français

Record number: 6, Textual support number: 1 OBS

cet appareil (le silencieux) comprend un certain nombre de -- placées en série qui communiquent par des orifices étranglés.  1, fiche 6, Français, - chambre%20d%27expansion

Fiche 6,  Justifications,  Espagnol