TERMIUM Plus®

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

MOVING CHARGE [9 records]

Record 1 2020-10-14

English

Subject field(s)
  • Computer Peripheral Equipment
CONT

Moving the plates in relation to one another changes their capacity for storing a charge, which in turn can generate a flow of electricity to fill up the increased capacity or drain off the excess charge as the capacity decreases. These minute electrical flows are detected by the circuitry of a capacitive keyboard. The small, somewhat gradual changes of capacity are amplified and altered so that they resemble the quick flick of a switch.

Key term(s)
  • capacitive key board

French

Domaine(s)
  • Périphériques (Informatique)
CONT

Les touches de clavier peuvent être de type capacitif ou mécanique. Les claviers capacitifs sont généralement plus souples, et moins bruyants, que les claviers mécaniques.

Spanish

Campo(s) temático(s)
  • Equipo periférico (Computadoras)
CONT

El teclado capacitivo está construido sobre una tarjeta de circuito impreso; al pulsar sobre una tecla, ésta presiona un condensador que produce una señal eléctrica que detecta el procesador de teclado.

Save record 1

Record 2 2020-01-28

English

Subject field(s)
  • Atomic Physics
DEF

The intrinsic angular momentum of an elementary particle or nucleus, which exists even when the particle is at rest, as distinguished from orbital angular momentum.

CONT

Elementary particles can be described in terms of a few simple properties. The most obvious of these are the mass and electric charge of the particle.... There is a... property which all particles carry, quantum mechanical spin. The name spin comes from an analogy with classical electro-magnetics. In classical electromagnetic theory, it is well known that a charged particle that is moving through a magnetic field will be deflected. If the particle... is spinning about some axis the deflection will be changed; i. e. the particle will go in a different direction than if it wasn’t spinning. The effect will depend on both the rate of spin and the rotation axis. In quantum mechanics, a similar effect is observed with any quantum particle. When passed through magnetic fields, they behave as if they are spinning electric charges. What's more, they behave as if their rates of spin are integral 0, 1, 2,... or half-integral(1/2, 3/2,...) of a base unit... much like charges come in basic multiples of the electron's charge. The concept of spin here is a bit more abstract than in the classical case. With a classical particle you can paint a little dot on the particle... and directly measure the rotation rate by counting the number of times you see the spot in a minute. This is not possible for quantum particles. They are not little spinning balls in that sense.

PHR

frustrated spin

PHR

down-spin, up-spin

French

Domaine(s)
  • Physique atomique
DEF

Moment cinétique intrinsèque des particules élémentaires et des noyaux atomiques.

OBS

Il s'agit [...] d'une propriété essentiellement quantique qui n'admet pas d'interprétation en mécanique classique.

PHR

spin demi-entier, spin entier, spin frustré, spin non frustré

Spanish

Campo(s) temático(s)
  • Física atómica
DEF

Momento angular intrínseco de un sistema. Se aplica especialmente a las partículas elementales y a los núcleos

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Record 3 2018-11-09

English

Subject field(s)
  • Demolition (Military)
  • Bombs and Grenades
  • Land Mines
CONT

If the water packing around the charge was incomplete and the round did acquire some velocity relative to the water around the munition case, the drag forces will be 800 times higher than if it were moving through air.

French

Domaine(s)
  • Destruction (Militaire)
  • Bombes et grenades
  • Mines terrestres
CONT

Les casemates ont ensuite été brisées à l'explosif ou, pour les plus sensibles, édifiées dans les agglomérations ou au voisinage des ponts, disloquées par bourrage à l'eau.

Spanish

Save record 3

Record 4 2010-11-30

English

Subject field(s)
  • Remote Sensing
OBS

... Time Delay and Integration : A method of scanning in which a frame transfer device produces a continuous video image of a moving object by means of a stack of linear arrays aligned with and synchronized to the movement of the object to be imaged in such a way that, as the image moves from one line to the next, the stored charge moves along with it, providing higher resolution at lower light levels than is possible with a line-scan camera.

French

Domaine(s)
  • Télédétection

Spanish

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Record 5 2004-03-18

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

Kawasaki Heavy Industries, Ltd. is working with Allied Signal Inc. on auxiliary power units for both the A320 family of aircraft made by the European consortium Airbus Industrie S. A. and the 737 twin-jet series made by Boeing Co.... For the 131-9B being built for Boeing's three new 737 models KHI will be in charge of the APU's first-stage turbine blades and the eductor, an oil-cooling device without moving parts. The company already produces these parts for the 131-9 used on Mcdonnell Douglas Corp. MD-90 planes.

CONT

Exhaust Eductor Cooling System. [Allied Signal]

French

Domaine(s)
  • Propulsion des aéronefs
CONT

Dispositif de refroidissement d'éjecteur [Allied Signal].

Spanish

Save record 5

Record 6 2002-08-01

English

Subject field(s)
  • Carpets and Floor Coverings
DEF

The extent to which a textile floor covering develops and accumulates an electrostatic charge on a person or object moving across its surface.

OBS

electrostatic propensity: term and definition standardized by ISO.

French

Domaine(s)
  • Tapis et revêtements de sol
DEF

Aptitude d'un revêtement de sol textile à développer et accumuler une charge électrostatique sur une personne ou un objet en mouvement sur sa surface.

CONT

On remédie aux effets de ces décharges électrostatiques dans une large mesure en utilisant des revêtements de sol dont la propension à l'accumulation des charges électrostatiques produites a un potentiel < 2 kw (essai du marcheur). Ce seuil de sensibilité pour les personnes convient aussi aux matériels de bureautique. Toutefois certains domaines d'application sont plus sensibles et nécessitent une protection face aux nuisances électrostatiques afin d'obtenir une élimination rapide des charges générées.

OBS

propension à l'accumulation de charges électrostatiques : terme et définition normalisés par l'ISO.

Spanish

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Record 7 2001-05-11

English

Subject field(s)
  • Energy Transformation
  • Thermonuclear fusion
  • Atomic Physics
DEF

Electrostatic macro-instability due to a charge separation caused by the difference in drag forces on ions and electrons which arises from friction between a moving plasma and the surrounding neutral gas. [Definition standardized by ISO. ]

OBS

This produces a transverse electric field causing deviation of plasma across the magnetic field.

OBS

neutral drag instability: term standardized by ISO.

French

Domaine(s)
  • Transformation de l'énergie
  • Fusion thermonucléaire
  • Physique atomique
DEF

Macro-instabilité électrostatique due à une séparation de charge provoquée par une différence entre les forces d'entraînement des ions et des électrons qui provient du frottement entre un plasma en mouvement et le gaz environnant neutre. [Définition normalisée par l'ISO.]

OBS

Cette séparation de charge produit un champ électrique transversal qui dévie le plasma à travers le champ magnétique.

OBS

instabilité d'entraînement par les neutres; instabilité d'interaction avec les neutres : termes normalisés par l'ISO.

Spanish

Save record 7

Record 8 1990-12-06

English

Subject field(s)
  • Shunting Operations (Railroads)
DEF

The charge made for moving cars within switching limits.

OBS

Term standardized by the CGSB.

French

Domaine(s)
  • Triage (Chemins de fer)
DEF

Tarif perçu pour le déplacement des wagons dans la zone d'aiguillage.

OBS

Terme normalisé par l'ONGC.

Spanish

Save record 8

Record 9 1975-03-11

English

Subject field(s)
  • Electric Currents
  • Measurements of Electricity
  • Electrical Engineering
CONT

The electrical... potential difference between two points in an electric field is numerically equal to the work done on or by a unit positive charge in moving from one point to the other.

French

Domaine(s)
  • Courants (Électrocinétique)
  • Mesures de grandeurs électriques
  • Électrotechnique
CONT

La différence de température [...] engendre une différence de potentiel électrique que l'on mesure à l'aide d'un galvanomètre.

Spanish

Save record 9

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