TERMIUM Plus®

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

MAGNETIC CYCLE [8 records]

Record 1 2012-02-29

English

Subject field(s)
  • The Heart
  • Medical and Surgical Equipment
DEF

A non-contacting device, which senses movement of the heart throughout the cardiac cycle by the interaction of a radiofrequency magnetic field, generated by a sensing coil, with the thorax.

OBS

[Cardiokymography] is a non-invasive procedure that attempts to measure asymmetric left ventricular wall motion, which in turn might indicate cardiac ischemia and coronary artery disease.

French

Domaine(s)
  • Cœur
  • Équipement médico-chirurgical
DEF

Fente étroite percée dans un écran de plomb, destinée à l'enregistrement des mouvements de l'ombre cardiaque.

Spanish

Save record 1

Record 2 2007-05-09

English

Subject field(s)
  • Magnetic Resonance Imaging
CONT

Cine magnetic resonance imaging : A type of imaging technique used primarily in the field of cardiology. By triggering a MRI [magnetic resonance imaging] sequence with prospective ECG [electrocardiographic] gating, numerous short time frames evenly spaced in the cardiac cycle are produced. These images are sequenced together in a cinematic display so that wall motion of the ventricles, valve motion, and blood flow patterns in the heart and great vessels can be visualized.

Key term(s)
  • cine-magnetic resonance imaging

French

Domaine(s)
  • Imagerie par résonance magnétique
DEF

Technique d'imagerie par résonance magnétique qui permet d'obtenir, après chaque impulsion de radiofréquence, plusieurs images successives du même plan de coupe d'un organe en mouvement, ce qui permet la représentation dynamique de cet organe.

Key term(s)
  • ciné imagerie par résonance magnétique

Spanish

Save record 2

Record 3 2004-11-09

English

Subject field(s)
  • Space Physics
CONT

The interplanetary magnetic field(IMF) is a part of the Sun's magnetic field that is carried into interplanetary space by the solar wind. The interplanetary mangetic field lines are said to be "frozen in" to the solar wind plasma. Because of the Sun's rotation, the IMF, like the solar wind, travels outward in a spiral pattern that is often compared to the pattern of water sprayed from a rotating lawn sprinkler. The IMF originates in regions on the Sun where the magnetic field is "open" that is, where field lines emerging from one region do not return to a conjugate region but extend virtually indefinitely into space. The direction(polarity, sense) of the field in the Sun's northern hemisphere is opposite to that of the field in the southern hemisphere.(The polarities reverse with each solar cycle).

French

Domaine(s)
  • Physique spatiale
CONT

Le champ magnétique interplanétaire [comporte un] champ magnétique faible remplissant l'espace interplanétaire, les lignes de ce champ magnétique sont habituellement reliées au Soleil. L'IMF est gardé hors de la majeur partie de la magnétosphère, mais l'interaction des deux jouent un rôle important dans l'écoulement de l'énergie du vent solaire vers l'environnement de la Terre.

Spanish

Save record 3

Record 4 2004-08-25

English

Subject field(s)
  • Storage Media (Data Processing)
DEF

A copy of a magnetic tape file which, since the copy was generated, has twice undergone an updating cycle.

French

Domaine(s)
  • Supports d'information (Informatique)

Spanish

Campo(s) temático(s)
  • Medios de almacenamiento (Procesamiento de datos)
Save record 4

Record 5 2001-06-21

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
CONT

The nuclear magnetic resonance(NMR) gyroscope is a rate-integrating single axis gyro that obtains its rotational information from the dynamic angular motion of certain nuclei. The gyro was developed because of its potential to be an accurate, small, highly reliable inertial sensor with low acquisition and life cycle costs.

Key term(s)
  • rate-integrating single-axis gyroscope

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Pilotage et navigation aérienne
  • Instruments de navigation
CONT

Le gyroscope intégrateur 1-axe : Supposons cet appareil dédié à la surveillance d'une plate-forme, ce qui rappelons le signifie des écarts angulaires faibles et des vitesses angulaires encore plus faibles [...]

Key term(s)
  • gyroscope intégrateur un axe

Spanish

Save record 5

Record 6 1990-05-24

English

Subject field(s)
  • Air Pollution

French

Domaine(s)
  • Pollution de l'air
DEF

Cycle solaire, comprenant deux cycles solaires de onze ans qui se suivent dans le temps, dont la particularité est de présenter une polarité des taches solaires d'un groupe bipolaire dans l'ordre inverse de celui du cycle précédent.

OBS

Ce cycle solaire dure en réalité 22,2 ans avec des écarts de vingt et vingt-quatre ans.

Spanish

Save record 6

Record 7 1986-11-12

English

Subject field(s)
  • Magnetism
CONT

Magnetic measurement interpretation is made more complex because a mechanical stress cycle shifts magnetization towards anhysteretic magnetization(which is also slightly stress dependent).

French

Domaine(s)
  • Magnétisme
CONT

L'interprétation des mesures magnétiques est rendue plus complexe en raison de la présence d'un cycle de contraintes mécaniques qui déplace la magnétisation vers la magnétisation anhystéritique (qui dépend aussi faiblement des contraintes).

Spanish

Save record 7

Record 8 1976-06-19

English

Subject field(s)
  • Scientific Research Equipment
  • Magnetism

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)
  • Magnétisme

Spanish

Save record 8

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