TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
DRIFT INSTABILITY [5 records]
Record 1 - internal organization data 2015-04-29
Record 1, English
Record 1, Subject field(s)
- Nuclear Physics
Record 1, Main entry term, English
- universal Alfvén-wave instability
1, record 1, English, universal%20Alfv%C3%A9n%2Dwave%20instability
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An electromagnetic universal drift instability due to a resonance between an Alfvén wave and a drift wave generated by the pressure gradient. 1, record 1, English, - universal%20Alfv%C3%A9n%2Dwave%20instability
Record number: 1, Textual support number: 1 OBS
universal Alfvén-wave instability: term and definition standardized by ISO. 2, record 1, English, - universal%20Alfv%C3%A9n%2Dwave%20instability
Record 1, French
Record 1, Domaine(s)
- Physique nucléaire
Record 1, Main entry term, French
- instabilité universelle d'onde d'Alfvén
1, record 1, French, instabilit%C3%A9%20universelle%20d%27onde%20d%27Alfv%C3%A9n
correct, feminine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Instabilité électromagnétique universelle de dérive due à une résonance entre une onde d'Alfvén et une onde de dérive engendrée par le gradient de pression. 1, record 1, French, - instabilit%C3%A9%20universelle%20d%27onde%20d%27Alfv%C3%A9n
Record number: 1, Textual support number: 1 OBS
instabilité universelle d'onde d'Alfvén : terme et définition normalisés par l'ISO. 2, record 1, French, - instabilit%C3%A9%20universelle%20d%27onde%20d%27Alfv%C3%A9n
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2015-04-24
Record 2, English
Record 2, Subject field(s)
- Atomic Physics
Record 2, Main entry term, English
- drift-cyclotron resonance instability
1, record 2, English, drift%2Dcyclotron%20resonance%20instability
correct, standardized
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
An electrostatic drift instability in a range of frequency, including the ion cyclotron frequency, where the adiabatic invariance is destroyed. 1, record 2, English, - drift%2Dcyclotron%20resonance%20instability
Record number: 2, Textual support number: 1 OBS
This instability has its highest growth rate when the frequency of the transverse drift wave is in resonance with multiples of the ion cyclotron frequency. 1, record 2, English, - drift%2Dcyclotron%20resonance%20instability
Record number: 2, Textual support number: 2 OBS
drift-cyclotron resonance instability : term and definition standardized by ISO. 2, record 2, English, - drift%2Dcyclotron%20resonance%20instability
Record 2, French
Record 2, Domaine(s)
- Physique atomique
Record 2, Main entry term, French
- instabilité de résonance dérive-cyclotron
1, record 2, French, instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
correct, feminine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Instabilité électrostatique de dérive dans un intervalle de fréquence incluant la fréquence gyromagnétique des ions pour laquelle l'invariance adiabatique est détruite. 1, record 2, French, - instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
Record number: 2, Textual support number: 1 OBS
Cette instabilité a un taux de croissance maximale quand la fréquence de l'onde de dérive transversale est en résonance avec des multiples de la fréquence gyromagnétique des ions. 1, record 2, French, - instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
Record number: 2, Textual support number: 2 OBS
instabilité de résonance dérive-cyclotron : terme et définition normalisés par l'ISO. 2, record 2, French, - instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2007-04-05
Record 3, English
Record 3, Subject field(s)
- Aircraft Piloting and Navigation
- Launching and Space Maneuvering
Record 3, Main entry term, English
- noise-induced random drift
1, record 3, English, noise%2Dinduced%20random%20drift
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
The fundamental parameters of the NMR [nuclear magnetic resonance] gyro are defined in the following manner : The signal-to-noise ratio is a parameter which characterizes the noise-induced random drift and the ability to determine drift angle in the NMR gyro. The relaxation times characterize the fundamental usefulness of the resonance cell. Finally, the rate bias instability characterizes the shifts in the precessional frequency of the macroscopic magnetic moment. 1, record 3, English, - noise%2Dinduced%20random%20drift
Record 3, French
Record 3, Domaine(s)
- Pilotage et navigation aérienne
- Lancement et manœuvres dans l'espace
Record 3, Main entry term, French
- dérive aléatoire due aux bruits
1, record 3, French, d%C3%A9rive%20al%C3%A9atoire%20due%20aux%20bruits
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
Dans le cadre du suivi en orbite des satellites orbite basse d'observation de la Terre, il est nécessaire de mettre au point un outil de suivi et de caractérisation de la dérive aléatoire des gyroscopes utilisés par le pilotage. Cet outil doit permettre d'évaluer la santé des équipements concernés, et d'anticiper d'éventuels problèmes en orbite. 2, record 3, French, - d%C3%A9rive%20al%C3%A9atoire%20due%20aux%20bruits
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2001-04-26
Record 4, English
Record 4, Subject field(s)
- Energy Transformation
- Thermonuclear fusion
- Atomic Physics
Record 4, Main entry term, English
- drift-instability
1, record 4, English, drift%2Dinstability
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- drift instability 2, record 4, English, drift%20instability
correct, standardized
- universal instability 3, record 4, English, universal%20instability
standardized
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
Class of micro-instabilities due to the plasma diamagnetic drift arising from the spatial density and temperature gradients across a magnetic field. [Definition standardized by ISO.] 1, record 4, English, - drift%2Dinstability
Record number: 4, Textual support number: 1 OBS
They are universal in that they can occur in any confined plasma, regardless of the special geometry of the configuration. 1, record 4, English, - drift%2Dinstability
Record number: 4, Textual support number: 2 OBS
drift instability; universal instability : terms standardized by ISO. 4, record 4, English, - drift%2Dinstability
Record 4, French
Record 4, Domaine(s)
- Transformation de l'énergie
- Fusion thermonucléaire
- Physique atomique
Record 4, Main entry term, French
- instabilité de dérive
1, record 4, French, instabilit%C3%A9%20de%20d%C3%A9rive
correct, feminine noun, standardized
Record 4, Abbreviations, French
Record 4, Synonyms, French
- instabilité universelle 1, record 4, French, instabilit%C3%A9%20universelle
feminine noun, standardized
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Micro-instabilité causée par la dérive diamagnétique du plasma due à la présence de gradients de densité et de température perpendiculaires au champ magnétique. [Définition normalisée par l'ISO.] 2, record 4, French, - instabilit%C3%A9%20de%20d%C3%A9rive
Record number: 4, Textual support number: 1 OBS
Elle est universelle du fait qu'elle peut se manifester dans tout plasma confiné, quelle que soit la forme spécifique de la configuration. 2, record 4, French, - instabilit%C3%A9%20de%20d%C3%A9rive
Record number: 4, Textual support number: 2 OBS
instabilité de dérive; instabilité universelle : termes normalisés par l'ISO. 3, record 4, French, - instabilit%C3%A9%20de%20d%C3%A9rive
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1993-09-09
Record 5, English
Record 5, Subject field(s)
- Energy Transformation
- Thermonuclear fusion
- Atomic Physics
Record 5, Main entry term, English
- screw instability
1, record 5, English, screw%20instability
correct, standardized
Record 5, Abbreviations, English
Record 5, Synonyms, English
- helical instability 2, record 5, English, helical%20instability
correct, standardized
- corkscrew instability 1, record 5, English, corkscrew%20instability
correct, standardized
- positive-column screw instability 3, record 5, English, positive%2Dcolumn%20screw%20instability
correct, standardized
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
Instability which can arise when an electric current is fed through a plasma with a helical density distribution immersed in a magnetic field. This will give rise to screw-shaped ion and electron clouds which move in opposite directions along the field lines and produce a charge separation. This in turn generates transverse drift motions, electric fields and growing disturbances. 4, record 5, English, - screw%20instability
Record number: 5, Textual support number: 1 OBS
Terms standardized by ISO. 5, record 5, English, - screw%20instability
Record 5, French
Record 5, Domaine(s)
- Transformation de l'énergie
- Fusion thermonucléaire
- Physique atomique
Record 5, Main entry term, French
- instabilité en hélice
1, record 5, French, instabilit%C3%A9%20en%20h%C3%A9lice
correct, feminine noun, standardized
Record 5, Abbreviations, French
Record 5, Synonyms, French
- instabilité hélicoïdale 1, record 5, French, instabilit%C3%A9%20h%C3%A9lico%C3%AFdale
correct, feminine noun, standardized
- instabilité en vrille 1, record 5, French, instabilit%C3%A9%20en%20vrille
correct, feminine noun, standardized
- instabilité en tire-bouchon 1, record 5, French, instabilit%C3%A9%20en%20tire%2Dbouchon
correct, feminine noun, standardized
- instabilité hélicoïdale de la colonne positive 2, record 5, French, instabilit%C3%A9%20h%C3%A9lico%C3%AFdale%20de%20la%20colonne%20positive
feminine noun, standardized
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Instabilité qui peut se manifester quand un courant électrique est envoyé dans un plasma à distribution de densité hélicoïdale placé dans un champ magnétique. Ceci entraîne la formation de nuages d'ions et d'électrons de forme hélicoïdale qui se déplacent en sens opposés le long des lignes de force et produisent une séparation de charge, d'où l'apparition de dérives transversales, de champs électriques et de perturbations croissantes. Ce type de macro-instabilité se produit à grande échelle, et pour des nombres d'ondes azimutaux faibles. 2, record 5, French, - instabilit%C3%A9%20en%20h%C3%A9lice
Record number: 5, Textual support number: 1 OBS
Termes normalisés par l'ISO. 3, record 5, French, - instabilit%C3%A9%20en%20h%C3%A9lice
Record 5, Spanish
Record 5, Textual support, Spanish
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