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FREQUENCE RESONANCE [50 records]
Record 1 - internal organization data 2023-10-17
Record 1, English
Record 1, Subject field(s)
- Radioelectricity
Record 1, Main entry term, English
- resonant operating frequency
1, record 1, English, resonant%20operating%20frequency
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
For the first time, we identified an inherent resonant operating frequency for CDI [capacitive deionization] equal to the inverse geometric mean of the RC [resistor-capacitor] and flow time scales of the cell. 2, record 1, English, - resonant%20operating%20frequency
Record 1, French
Record 1, Domaine(s)
- Radioélectricité
Record 1, Main entry term, French
- fréquence de résonance opérationnelle
1, record 1, French, fr%C3%A9quence%20de%20r%C3%A9sonance%20op%C3%A9rationnelle
proposal, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2016-12-16
Record 2, English
Record 2, Subject field(s)
- Waveguides
- Audio Technology
Record 2, Main entry term, English
- resonance frequency
1, record 2, English, resonance%20frequency
correct, standardized
Record 2, Abbreviations, English
Record 2, Synonyms, English
- resonant frequency 2, record 2, English, resonant%20frequency
correct, standardized
- natural frequency 3, record 2, English, natural%20frequency
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The frequency at which resonance occurs in a particular circuit or network. Resonance occurs in a circuit containing both capacitance and inductance when the imaginary component of the complex combined impedance of the circuit is zero ... 4, record 2, English, - resonance%20frequency
Record number: 2, Textual support number: 1 OBS
resonance frequency; resonant frequency: terms standardized by the USA Standards Institute and the Electronics and Telecommunications Terminology Committee.. 5, record 2, English, - resonance%20frequency
Record 2, French
Record 2, Domaine(s)
- Guides d'ondes
- Électroacoustique
Record 2, Main entry term, French
- fréquence de résonance
1, record 2, French, fr%C3%A9quence%20de%20r%C3%A9sonance
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
Fréquence à laquelle existe une résonance dont le type doit être précisé. [Définition normalisée par l'AFNOR et reproduite avec son autorisation. ] 2, record 2, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record number: 2, Textual support number: 1 CONT
Fréquence de résonance [...] : la résonance traduit la tendance de systèmes mécaniques ou électroniques à résonner à une fréquence particulière. C'est donc la fréquence pour laquelle a lieu le phénomène de résonance. 3, record 2, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record number: 2, Textual support number: 2 CONT
Fréquence de résonance de vitesse, fréquence de résonance d’élongation. 4, record 2, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record number: 2, Textual support number: 1 OBS
fréquence de résonance : terme normalisé par l'AFNOR. 5, record 2, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record 2, Key term(s)
- fréquence résonante
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Guías de ondas
- Electroacústica
Record 2, Main entry term, Spanish
- frecuencia de resonancia
1, record 2, Spanish, frecuencia%20de%20resonancia
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Frecuencia extrema -máxima o mínima- con la que un sistema capaz de resonar, como, p.ej., un circuito eléctrico magnético, mecánico, responde a la excitación de vibraciones periódicas. 1, record 2, Spanish, - frecuencia%20de%20resonancia
Record 3 - internal organization data 2016-11-29
Record 3, English
Record 3, Subject field(s)
- Physics
Record 3, Main entry term, English
- resonance curve
1, record 3, English, resonance%20curve
correct, standardized
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
The curve of frequency dependence of the amplitude of a damped system subjected to forced vibrations near the resonance frequency. 1, record 3, English, - resonance%20curve
Record number: 3, Textual support number: 1 OBS
resonance curve: term and definition standardized by ISO. 2, record 3, English, - resonance%20curve
Record 3, French
Record 3, Domaine(s)
- Physique
Record 3, Main entry term, French
- courbe de résonance
1, record 3, French, courbe%20de%20r%C3%A9sonance
correct, feminine noun, standardized
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Courbe de la dépendance de la fréquence de l'amplitude d’un système amorti soumis à des oscillations entretenues près de la fréquence de résonance. 1, record 3, French, - courbe%20de%20r%C3%A9sonance
Record number: 3, Textual support number: 1 OBS
courbe de résonance : terme et définition normalisés par l’ISO. 2, record 3, French, - courbe%20de%20r%C3%A9sonance
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Física
Record 3, Main entry term, Spanish
- curva de resonancia
1, record 3, Spanish, curva%20de%20resonancia
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Curva de la dependencia de la frecuencia de la amplitud de un sistema amortiguado sometido a vibraciones forzadas cerca de la frecuencia de resonancia. 1, record 3, Spanish, - curva%20de%20resonancia
Record 4 - internal organization data 2015-04-24
Record 4, English
Record 4, Subject field(s)
- Atomic Physics
Record 4, Main entry term, English
- drift-cyclotron resonance instability
1, record 4, English, drift%2Dcyclotron%20resonance%20instability
correct, standardized
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, 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 4, English, - drift%2Dcyclotron%20resonance%20instability
Record number: 4, 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 4, English, - drift%2Dcyclotron%20resonance%20instability
Record number: 4, Textual support number: 2 OBS
drift-cyclotron resonance instability: term and definition standardized by ISO. 2, record 4, English, - drift%2Dcyclotron%20resonance%20instability
Record 4, French
Record 4, Domaine(s)
- Physique atomique
Record 4, Main entry term, French
- instabilité de résonance dérive-cyclotron
1, record 4, French, instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
correct, feminine noun, standardized
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, 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 4, French, - instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
Record number: 4, 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 4, French, - instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
Record number: 4, Textual support number: 2 OBS
instabilité de résonance dérive-cyclotron : terme et définition normalisés par l’ISO. 2, record 4, French, - instabilit%C3%A9%20de%20r%C3%A9sonance%20d%C3%A9rive%2Dcyclotron
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2013-07-05
Record 5, English
Record 5, Subject field(s)
- Types of Constructed Works
- Electric Rotary Machines - Types
- Wind Energy
Record 5, Main entry term, English
- soft tower
1, record 5, English, soft%20tower
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A wind tower whose natural frequency is lower than the blade passing frequency but higher than the rotational frequency of the wind turbine. 2, record 5, English, - soft%20tower
Record 5, French
Record 5, Domaine(s)
- Types de constructions
- Machines tournantes électriques - types
- Énergie éolienne
Record 5, Main entry term, French
- mât souple
1, record 5, French, m%C3%A2t%20souple
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- tour souple 2, record 5, French, tour%20souple
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Mât éolien léger produisant une fréquence naturelle(fréquence de résonance) plus faible que la fréquence de passage des pales(ou de la pale) mais plus élevée que la fréquence de rotation de la turbine. 3, record 5, French, - m%C3%A2t%20souple
Record number: 5, Textual support number: 1 OBS
Le mât de l’éolienne est calculé essentiellement aux vibrations et à la fatigue [...] l’éolienne tournant à vitesse constante [...] 4, record 5, French, - m%C3%A2t%20souple
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Tipos de construcciones
- Máquinas rotativas eléctricas - tipos
- Energía eólica
Record 5, Main entry term, Spanish
- torre ligera
1, record 5, Spanish, torre%20ligera
correct, feminine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
- torre flexible 1, record 5, Spanish, torre%20flexible%20
correct, feminine noun
- poste flexible 1, record 5, Spanish, poste%20flexible
correct, masculine noun
Record 5, Textual support, Spanish
Record 6 - internal organization data 2012-06-21
Record 6, English
Record 6, Subject field(s)
- Measuring Instruments (Engineering)
- Measurements of Magnetism
Record 6, Main entry term, English
- optically pumped magnetometer
1, record 6, English, optically%20pumped%20magnetometer
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
The optically pumped magnetometer measures the Earth's total magnetic field and is sensitive to the magnetite content of subsurface rocks. 1, record 6, English, - optically%20pumped%20magnetometer
Record number: 6, Textual support number: 1 OBS
Two types of optically pumped magnetometers are the cesium- and rubidium-vapor magnetometers. 1, record 6, English, - optically%20pumped%20magnetometer
Record 6, French
Record 6, Domaine(s)
- Instruments de mesure (Ingénierie)
- Mesures de grandeurs magnétiques
Record 6, Main entry term, French
- magnétomètre à pompage optique
1, record 6, French, magn%C3%A9tom%C3%A8tre%20%C3%A0%20pompage%20optique
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
Le principe de base de [ce magnétomètre] consiste à mesurer la fréquence de résonance magnétique de la vapeur de césium. Cette fréquence est proportionnelle à l'intensité du champ magnétique dans lequel la vapeur de césium est placée. La détection de cette résonance est rendue possible grâce à la procédure de pompage optique. 1, record 6, French, - magn%C3%A9tom%C3%A8tre%20%C3%A0%20pompage%20optique
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2012-04-02
Record 7, English
Record 7, Subject field(s)
- Hydrology and Hydrography
- Atmospheric Physics
- Vulcanology and Seismology
Record 7, Main entry term, English
- seiche
1, record 7, English, seiche
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
The oscillation of the surface of a lake or similar body of water, caused by earthquakes, winds, or variations of atmospheric pressure. 2, record 7, English, - seiche
Record number: 7, Textual support number: 1 CONT
A seiche [is a] rhythmic oscillation of water in a lake or a partially enclosed coastal inlet, such as a bay, gulf, or harbour. A seiche may last from a few minutes to several hours or for as long as two days. 3, record 7, English, - seiche
Record 7, French
Record 7, Domaine(s)
- Hydrologie et hydrographie
- Physique de l'atmosphère
- Volcanologie et sismologie
Record 7, Main entry term, French
- seiche
1, record 7, French, seiche
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Oscillation (de période allant de quelques minutes à plusieurs heures) de la surface d’un lac ou d’un autre petit plan d’eau causée par de petites secousses sismiques, par le vent ou par des variations de la pression atmosphérique. 2, record 7, French, - seiche
Record number: 7, Textual support number: 1 CONT
Les séismes importants [...] engendrent de grandes quantités d’énergie à basse fréquence [...] Si la fréquence des vibrations du séisme correspond à la fréquence propre des oscillations de la masse de l'eau, il peut se produire un phénomène de résonance par lequel l'eau oscille dans son bassin, avec un accroissement progressif d’amplitude jusqu'à ce que les ondes sismiques aient passé, puis elles continuent pendant très longtemps, avec une amplitude décroissante. De telles oscillations sont appelées des seiches. 3, record 7, French, - seiche
Record number: 7, Textual support number: 1 OBS
La période de la seiche est déterminée par les dimensions et la morphologie de la baie et du bassin considérés (formule de Merian). 4, record 7, French, - seiche
Record 7, Spanish
Record 7, Campo(s) temático(s)
- Hidrología e hidrografía
- Física de la atmósfera
- Vulcanología y sismología
Record 7, Main entry term, Spanish
- seiche
1, record 7, Spanish, seiche
feminine noun
Record 7, Abbreviations, Spanish
Record 7, Synonyms, Spanish
Record 7, Textual support, Spanish
Record number: 7, Textual support number: 1 DEF
Oscilación de la superficie de un lago o masa de agua similar, causada por terremotos, vientos o variaciones de la presión atmosférica. 2, record 7, Spanish, - seiche
Record 8 - internal organization data 2012-01-09
Record 8, English
Record 8, Subject field(s)
- Electromagnetic Radiation
Record 8, Main entry term, English
- spin-spin relaxation
1, record 8, English, spin%2Dspin%20relaxation
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- transverse relaxation 2, record 8, English, %20%20transverse%20relaxation
correct
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
Magnetic relaxation, observed after application of weak magnetic fields, in which the excess potential energy associated with electron spins in a magnetic field is redistributed among the spins, resulting in heating of the spin system. 3, record 8, English, - spin%2Dspin%20relaxation
Record 8, Key term(s)
- spin spin relaxation
Record 8, French
Record 8, Domaine(s)
- Rayonnements électromagnétiques
Record 8, Main entry term, French
- relaxation spin-spin
1, record 8, French, relaxation%20spin%2Dspin
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
- relaxation transversale 1, record 8, French, relaxation%20transversale
correct, feminine noun
Record 8, Textual support, French
Record number: 8, Textual support number: 1 CONT
En RMN [résonance magnétique nucléaire] classique, tous les noyaux devraient résonner pour un couple déterminé(Bo, B1 :fréquence de radiation utilisée). Dans la réalité il faut tenir compte du phénomène de relaxation. En effet, après absorption de la radiation, le noyau a tendance à revenir à l'équilibre. On distingue deux sortes de relaxations : Relaxation spin-milieu ou spin-réseau, dite relaxation longitudinale. Ce phénomène longitudinal est provoqué par les molécules qui subissent un mouvement de rotation, de vibration, de translation et par les propriétés magnétiques des noyaux. L'énergie de translation est transférée au réseau du milieu. Relaxation spin-spin ou relaxation transversale. Cette relaxation est due à l'échange mutuel de spins entre les noyaux voisins, ce qui provoque un champ induisant la transition. 2, record 8, French, - relaxation%20spin%2Dspin
Record 8, Key term(s)
- relaxation spin spin
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2010-11-17
Record 9, English
Record 9, Subject field(s)
- Counter-Measures (Military operations)
Record 9, Main entry term, English
- rope-chaff
1, record 9, English, rope%2Dchaff
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
Chaff that contains one or more rope elements. 2, record 9, English, - rope%2Dchaff
Record 9, French
Record 9, Domaine(s)
- Contre-mesures (Opérations militaires)
Record 9, Main entry term, French
- ruban accordé
1, record 9, French, ruban%20accord%C3%A9
correct, masculine noun, officially approved
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
Ruban de clinquant, fil métallique ou aiguille de longueur correspondant à une fréquence de résonance déterminée, habituellement largué par un avion ou projeté par roquette ou projectile et utilisé comme contre-mesures radar. 1, record 9, French, - ruban%20accord%C3%A9
Record number: 9, Textual support number: 1 OBS
ruban accordé : terme et définition uniformisés par le Comité de terminologie française du Conseil de doctrine et de tactique de l’Armée de terre. 2, record 9, French, - ruban%20accord%C3%A9
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 2010-04-12
Record 10, English
Record 10, Subject field(s)
- Acoustics (Physics)
Record 10, Main entry term, English
- acoustic resonator
1, record 10, English, acoustic%20resonator
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
- resonator 1, record 10, English, resonator
correct
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
Any device exhibiting a sharply defined electric, mechanical, or acoustic resonance effect, e.g., a ... Helmholtz resonator. 1, record 10, English, - acoustic%20resonator
Record 10, French
Record 10, Domaine(s)
- Acoustique (Physique)
Record 10, Main entry term, French
- résonateur acoustique
1, record 10, French, r%C3%A9sonateur%20acoustique
correct, masculine noun, standardized
Record 10, Abbreviations, French
Record 10, Synonyms, French
- résonateur 2, record 10, French, r%C3%A9sonateur
correct, masculine noun
Record 10, Textual support, French
Record number: 10, Textual support number: 1 DEF
Dispositif représentant une résonance prédominante à une fréquence déterminée. [Définition normalisée par l'AFNOR et reproduite avec son autorisation. ] 3, record 10, French, - r%C3%A9sonateur%20acoustique
Record number: 10, Textual support number: 1 CONT
Un résonateur acoustique est équivalent à un système mécanique masse-ressort [...] Le résonateur acoustique est un solide creux, muni d’un goulot. La masse d’air contenue dans le goulot est mise en mouvement, il se produit un amortissement, une fraction de l’énergie est dissipée par frottement sur les parois du goulot, et par viscosité dans un matériau poreux placé à l’intérieur du résonateur. 2, record 10, French, - r%C3%A9sonateur%20acoustique
Record number: 10, Textual support number: 1 OBS
résonateur acoustique : terme normalisé par l’AFNOR. 4, record 10, French, - r%C3%A9sonateur%20acoustique
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2010-02-03
Record 11, English
Record 11, Subject field(s)
- Audio Technology
- Electric Rotary Machines - Types
- Wind Energy
Record 11, Main entry term, English
- butterfly mode resonant frequency
1, record 11, English, butterfly%20mode%20resonant%20frequency
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 OBS
In the ... simulation an additional resonance mode was found with a resonant frequency at 129.2 MHz ... The motion of this mode looks like the flap of a butterfly. 1, record 11, English, - butterfly%20mode%20resonant%20frequency
Record 11, French
Record 11, Domaine(s)
- Électroacoustique
- Machines tournantes électriques - types
- Énergie éolienne
Record 11, Main entry term, French
- fréquence de résonance en mode papillon
1, record 11, French, fr%C3%A9quence%20de%20r%C3%A9sonance%20en%20mode%20papillon
proposal, feminine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 OBS
Renseignement communiqué par une ingénieure à EMR [Énergie, Mines et Ressources]. 1, record 11, French, - fr%C3%A9quence%20de%20r%C3%A9sonance%20en%20mode%20papillon
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 2008-08-06
Record 12, English
Record 12, Subject field(s)
- Language (General)
- Artificial Intelligence
- Information Processing (Informatics)
Record 12, Main entry term, English
- formant
1, record 12, English, formant
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
- formative 2, record 12, English, formative
correct
Record 12, Textual support, English
Record number: 12, Textual support number: 1 DEF
A set of resonances of a musical instrument or voice mechanism that forms partials of sound ... and give these sounds their quality. 3, record 12, English, - formant
Record number: 12, Textual support number: 1 CONT
... the vocal tract has four or five important resonance frequencies called formants. 4, record 12, English, - formant
Record 12, French
Record 12, Domaine(s)
- Linguistique (Généralités)
- Intelligence artificielle
- Traitement de l'information (Informatique)
Record 12, Main entry term, French
- formant
1, record 12, French, formant
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record number: 12, Textual support number: 1 DEF
Fréquence de résonance du conduit vocal dont la valeur dépend de la configuration des cavités supraglottiques propre à chaque articulation. 2, record 12, French, - formant
Record number: 12, Textual support number: 1 CONT
Formant. Maximum de la courbe de réponse en fréquence du conduit vocal pour un son déterminé. 3, record 12, French, - formant
Record 12, Spanish
Record 12, Campo(s) temático(s)
- Lingüística (Generalidades)
- Inteligencia artificial
- Tratamiento de la información (Informática)
Record 12, Main entry term, Spanish
- formante
1, record 12, Spanish, formante
correct, feminine noun
Record 12, Abbreviations, Spanish
Record 12, Synonyms, Spanish
Record 12, Textual support, Spanish
Record number: 12, Textual support number: 1 DEF
[Conjunto de] cada una de las resonancias del conducto vocal. 2, record 12, Spanish, - formante
Record number: 12, Textual support number: 1 CONT
El tracto vocal manifiesta un número muy grande de resonancias, sin embargo se consideran solo las tres o cuatro primeras que toman el nombre de formantes y cubren un rango de frecuencias entre 100 y 3500 Hz. 3, record 12, Spanish, - formante
Record 13 - internal organization data 2007-08-23
Record 13, English
Record 13, Subject field(s)
- Atomic Physics
- Magnetic Resonance Imaging
Record 13, Main entry term, English
- Larmor frequency
1, record 13, English, Larmor%20frequency
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 DEF
The frequency at which the nuclear spins precess about the main [magnetic] field. 2, record 13, English, - Larmor%20frequency
Record number: 13, Textual support number: 1 OBS
[The frequency] depends on the nucleus type and strength of the magnetic field applied. 2, record 13, English, - Larmor%20frequency
Record number: 13, Textual support number: 2 OBS
Since the Larmor frequency matches the resonance frequency, these terms are used interchangeably by certain authors. 3, record 13, English, - Larmor%20frequency
Record 13, French
Record 13, Domaine(s)
- Physique atomique
- Imagerie par résonance magnétique
Record 13, Main entry term, French
- fréquence de Larmor
1, record 13, French, fr%C3%A9quence%20de%20Larmor
correct, feminine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 CONT
Des noyaux pris individuellement ne s’alignent pas immédiatement avec le champ magnétique, mais s’animent d’un mouvement dit de précession autour du champ magnétique comme une toupie. La fréquence de la vitesse angulaire de ce mouvement est déterminée par la force du champ magnétique principal et par le type de noyau. Cette fréquence est appelée fréquence de Larmor. 2, record 13, French, - fr%C3%A9quence%20de%20Larmor
Record number: 13, Textual support number: 1 OBS
Puisque la fréquence de Larmor et la fréquence de résonance ont la même valeur, les termes les désignant sont considérés synonymes par certains auteurs. 3, record 13, French, - fr%C3%A9quence%20de%20Larmor
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 2007-05-07
Record 14, English
Record 14, Subject field(s)
- Magnetic Resonance Imaging
Record 14, Main entry term, English
- fat saturation
1, record 14, English, fat%20saturation
correct
Record 14, Abbreviations, English
- Fat Sat 2, record 14, English, Fat%20Sat
correct, see observation
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 DEF
A specialized technique that selectively saturates fat protons prior to acquiring data as in standard sequences, so that they produce negligible signal. 3, record 14, English, - fat%20saturation
Record number: 14, Textual support number: 1 OBS
To suppress the fat component in the MR [magnetic resonance] signal, fat protons are saturated by frequency-selective RF [radio frequency] pulses. 4, record 14, English, - fat%20saturation
Record number: 14, Textual support number: 2 OBS
The shortened form is written in a number of ways. Generally, it tends to be written in two words, the first letter of each word tends to be a capital, and there usually is no hyphen. 5, record 14, English, - fat%20saturation
Record 14, Key term(s)
- FatSat
- Fat-Sat
Record 14, French
Record 14, Domaine(s)
- Imagerie par résonance magnétique
Record 14, Main entry term, French
- saturation des graisses
1, record 14, French, saturation%20des%20graisses
correct, feminine noun
Record 14, Abbreviations, French
- Fat Sat 2, record 14, French, Fat%20Sat
correct, see observation, feminine noun
Record 14, Synonyms, French
- saturation de la graisse 3, record 14, French, saturation%20de%20la%20graisse
correct, feminine noun
Record 14, Textual support, French
Record number: 14, Textual support number: 1 DEF
Technique qui permet de supprimer le signal de la graisse en détruisant l'aimantation longitudinale [...] de celle-ci par incorporation dans la séquence d’une impulsion sélective, dont la fréquence correspond exactement à la fréquence de résonance de la graisse. 4, record 14, French, - saturation%20des%20graisses
Record number: 14, Textual support number: 1 OBS
La forme abrégée anglaise est bien implantée en français. Toutefois, sa graphie varie énormément : avec ou sans majuscules, avec ou sans trait d’union, en un seul ou en deux mots. À l’heure actuelle, aucune tendance claire ne se dégage de l’usage. 5, record 14, French, - saturation%20des%20graisses
Record 14, Key term(s)
- fatsat
- fat-sat
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 2007-04-11
Record 15, English
Record 15, Subject field(s)
- Magnetic Resonance Imaging
Record 15, Main entry term, English
- chemical shift artifact
1, record 15, English, chemical%20shift%20artifact
correct
Record 15, Abbreviations, English
Record 15, Synonyms, English
- chemical shift artefact 2, record 15, English, chemical%20shift%20artefact
correct
Record 15, Textual support, English
Record number: 15, Textual support number: 1 DEF
An artifact visible at the tissue edges that is caused by the slight difference in resonant frequency between fat and water. 2, record 15, English, - chemical%20shift%20artifact
Record 15, French
Record 15, Domaine(s)
- Imagerie par résonance magnétique
Record 15, Main entry term, French
- artéfact de déplacement chimique
1, record 15, French, art%C3%A9fact%20de%20d%C3%A9placement%20chimique
correct, see observation, masculine noun
Record 15, Abbreviations, French
Record 15, Synonyms, French
- artefact de déplacement chimique 2, record 15, French, artefact%20de%20d%C3%A9placement%20chimique
correct, masculine noun
Record 15, Textual support, French
Record number: 15, Textual support number: 1 CONT
Artéfact de déplacement chimique. Cet artéfact provient de la différence de fréquence de résonance entre les protons de l'eau et ceux de la graisse. À l'interface entre deux tissus graisseux et aqueux, cette différence peut être interprétée comme une position différente à cause de la technique du codage spatial par les fréquences. 1, record 15, French, - art%C3%A9fact%20de%20d%C3%A9placement%20chimique
Record number: 15, Textual support number: 1 OBS
artéfact : Cette graphie, puisée des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2006). 3, record 15, French, - art%C3%A9fact%20de%20d%C3%A9placement%20chimique
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 2007-03-22
Record 16, English
Record 16, Subject field(s)
- Acoustics (Physics)
Record 16, Main entry term, English
- fundamental mode of vibration
1, record 16, English, fundamental%20mode%20of%20vibration
correct
Record 16, Abbreviations, English
Record 16, Synonyms, English
- fundamental mode 2, record 16, English, fundamental%20mode
correct
Record 16, Textual support, English
Record number: 16, Textual support number: 1 DEF
[The sound] mode having the lowest natural frequency. 1, record 16, English, - fundamental%20mode%20of%20vibration
Record 16, French
Record 16, Domaine(s)
- Acoustique (Physique)
Record 16, Main entry term, French
- mode fondamental de vibration
1, record 16, French, mode%20fondamental%20de%20vibration
correct, masculine noun
Record 16, Abbreviations, French
Record 16, Synonyms, French
- mode de vibration fondamental 2, record 16, French, mode%20de%20vibration%20fondamental
correct, masculine noun
Record 16, Textual support, French
Record number: 16, Textual support number: 1 DEF
Mode acoustique correspondant à la fréquence de résonance la plus faible. 3, record 16, French, - mode%20fondamental%20de%20vibration
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 2007-03-14
Record 17, English
Record 17, Subject field(s)
- Audio Technology
Record 17, Main entry term, English
- free air resonance
1, record 17, English, free%20air%20resonance
correct
Record 17, Abbreviations, English
Record 17, Synonyms, English
Record 17, Textual support, English
Record number: 17, Textual support number: 1 DEF
The natural resonance frequency of a loudspeaker driver when it is suspended in "free space." 2, record 17, English, - free%20air%20resonance
Record 17, French
Record 17, Domaine(s)
- Électroacoustique
Record 17, Main entry term, French
- résonance à l’air libre
1, record 17, French, r%C3%A9sonance%20%C3%A0%20l%26rsquo%3Bair%20libre
correct, feminine noun
Record 17, Abbreviations, French
Record 17, Synonyms, French
Record 17, Textual support, French
Record number: 17, Textual support number: 1 DEF
Fréquence de résonance naturelle d’un moteur de haut-parleur lorsqu'il est suspendu dans un «espace libre». 2, record 17, French, - r%C3%A9sonance%20%C3%A0%20l%26rsquo%3Bair%20libre
Record 17, Spanish
Record 17, Textual support, Spanish
Record 18 - internal organization data 2007-03-13
Record 18, English
Record 18, Subject field(s)
- Atomic Physics
- Magnetic Resonance Imaging
Record 18, Main entry term, English
- resonance frequency
1, record 18, English, resonance%20frequency
correct
Record 18, Abbreviations, English
Record 18, Synonyms, English
- resonant frequency 2, record 18, English, resonant%20frequency
correct
Record 18, Textual support, English
Record number: 18, Textual support number: 1 DEF
The frequency at which individual magnetic nuclei absorb or emit radiofrequency energy in magnetic resonance studies. 3, record 18, English, - resonance%20frequency
Record number: 18, Textual support number: 1 OBS
Since the resonance frequency matches the Larmor frequency, these terms are used interchangeably by certain authors. 4, record 18, English, - resonance%20frequency
Record 18, French
Record 18, Domaine(s)
- Physique atomique
- Imagerie par résonance magnétique
Record 18, Main entry term, French
- fréquence de résonance
1, record 18, French, fr%C3%A9quence%20de%20r%C3%A9sonance
correct, feminine noun
Record 18, Abbreviations, French
Record 18, Synonyms, French
Record 18, Textual support, French
Record number: 18, Textual support number: 1 DEF
[...] fréquence particulière de l'impulsion d’excitation, caractéristique de chaque noyau atomique, faisant entrer en résonance les protons de ce noyau placés dans un champ magnétique [...] 1, record 18, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record number: 18, Textual support number: 1 OBS
Puisque la fréquence de résonance et la fréquence de Larmor ont la même valeur, les termes les désignant sont considérés synonymes par certains auteurs. 2, record 18, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record number: 18, Textual support number: 2 OBS
Symbole : la lettre grecque «nu». 2, record 18, French, - fr%C3%A9quence%20de%20r%C3%A9sonance
Record 18, Spanish
Record 18, Textual support, Spanish
Record 19 - internal organization data 2007-03-11
Record 19, English
Record 19, Subject field(s)
- Acoustics (Physics)
Record 19, Main entry term, English
- acoustic resonance
1, record 19, English, acoustic%20resonance
correct
Record 19, Abbreviations, English
Record 19, Synonyms, English
Record 19, Textual support, English
Record number: 19, Textual support number: 1 DEF
A condition of an acoustic system, such as a Helmholtz resonator, in which the response of the system to sound waves becomes very large when the frequency of the sound approaches a natural vibration frequency of the air (or other material) in the system. 2, record 19, English, - acoustic%20resonance
Record number: 19, Textual support number: 1 CONT
Six small microphones in the cavity picked up the resulting acoustic resonances. 3, record 19, English, - acoustic%20resonance
Record 19, French
Record 19, Domaine(s)
- Acoustique (Physique)
Record 19, Main entry term, French
- résonance acoustique
1, record 19, French, r%C3%A9sonance%20acoustique
correct, feminine noun
Record 19, Abbreviations, French
Record 19, Synonyms, French
Record 19, Textual support, French
Record number: 19, Textual support number: 1 CONT
Une expérience simple de résonance acoustique consiste à chanter une voyelle en face d’un piano dont les étouffoirs ont été soulevés : par résonance, les cordes dont les fréquences sont celles des sons simples qui composent la voyelle chantée vibrent, comme on peut s’en assurer en les touchant. 1, record 19, French, - r%C3%A9sonance%20acoustique
Record number: 19, Textual support number: 1 OBS
résonance : Augmentation de l'amplitude d’une vibration lorsque la fréquence des vibrations imposées par une source sonore devient égale ou diviseur entier de la période propre du système. 2, record 19, French, - r%C3%A9sonance%20acoustique
Record 19, Spanish
Record 19, Campo(s) temático(s)
- Acústica (Física)
Record 19, Main entry term, Spanish
- resonancia acústica
1, record 19, Spanish, resonancia%20ac%C3%BAstica
feminine noun
Record 19, Abbreviations, Spanish
Record 19, Synonyms, Spanish
Record 19, Textual support, Spanish
Record number: 19, Textual support number: 1 CONT
Seis micrófonos situados en la cavidad detectaban las resonancias acústicas resultantes. 1, record 19, Spanish, - resonancia%20ac%C3%BAstica
Record 20 - internal organization data 2007-01-13
Record 20, English
Record 20, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 20, Main entry term, English
- Helmholtz resonator
1, record 20, English, Helmholtz%20resonator
correct
Record 20, Abbreviations, English
Record 20, Synonyms, English
- Helmoltz absorber 2, record 20, English, Helmoltz%20absorber
correct
Record 20, Textual support, English
Record number: 20, Textual support number: 1 DEF
An acoustic resonator in which the mass reactance of a short column of air neutralizes at a fairly definite frequency the reactance of the stiffness of the volume contained in an enclosure, which communicates with the open air only through the said column. 3, record 20, English, - Helmholtz%20resonator
Record number: 20, Textual support number: 1 OBS
Used at one time for analysing complex sounds. 3, record 20, English, - Helmholtz%20resonator
Record 20, French
Record 20, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 20, Main entry term, French
- résonateur de Helmholtz
1, record 20, French, r%C3%A9sonateur%20de%20Helmholtz
correct, masculine noun
Record 20, Abbreviations, French
Record 20, Synonyms, French
Record 20, Textual support, French
Record number: 20, Textual support number: 1 DEF
Absorbeur acoustique utilisant la résonance provoquée par la masse d’un gaz sur la résilience de ce gaz. 2, record 20, French, - r%C3%A9sonateur%20de%20Helmholtz
Record number: 20, Textual support number: 1 OBS
Le dispositif utilise un panneau perforé pour couvrir une cavité. L'épaisseur du panneau, les dimensions des perforations et le volume de la cavité interviennent dans le calcul de la fréquence. La particularité de ce résonateur est d’être très «pointu», et de n’ absorber qu'une seule bande de fréquences assez étroite. La résonance produite par une bouteille dans laquelle on souffle est un exemple de résonateur de Helmholtz. 2, record 20, French, - r%C3%A9sonateur%20de%20Helmholtz
Record 20, Spanish
Record 20, Textual support, Spanish
Record 21 - internal organization data 2005-11-14
Record 21, English
Record 21, Subject field(s)
- Electric Rotary Machines - Types
- Wind Energy
Record 21, Main entry term, English
- soft-soft tower
1, record 21, English, soft%2Dsoft%20tower
correct
Record 21, Abbreviations, English
Record 21, Synonyms, English
Record 21, Textual support, English
Record number: 21, Textual support number: 1 DEF
A [wind] tower whose natural frequency is below both the rotor frequency and blade passing frequency. 2, record 21, English, - soft%2Dsoft%20tower
Record number: 21, Textual support number: 1 OBS
These towers are generally less expensive than stiffer ones, since they are lighter. 2, record 21, English, - soft%2Dsoft%20tower
Record 21, French
Record 21, Domaine(s)
- Machines tournantes électriques - types
- Énergie éolienne
Record 21, Main entry term, French
- mât à très basse fréquence naturelle
1, record 21, French, m%C3%A2t%20%C3%A0%20tr%C3%A8s%20basse%20fr%C3%A9quence%20naturelle
proposal, masculine noun
Record 21, Abbreviations, French
Record 21, Synonyms, French
- mât très souple 1, record 21, French, m%C3%A2t%20tr%C3%A8s%20souple
proposal, masculine noun
Record 21, Textual support, French
Record number: 21, Textual support number: 1 DEF
Mât éolien très léger produisant une fréquence naturelle(fréquence de résonance) inférieure à la fois à la fréquence de rotation du rotor et à la fréquence de passage des pales(ou de la pale). 1, record 21, French, - m%C3%A2t%20%C3%A0%20tr%C3%A8s%20basse%20fr%C3%A9quence%20naturelle
Record number: 21, Textual support number: 1 OBS
Le mât de l’éolienne est calculé essentiellement aux vibrations et à la fatigue [...] l’éolienne tournant à vitesse constante [...] 2, record 21, French, - m%C3%A2t%20%C3%A0%20tr%C3%A8s%20basse%20fr%C3%A9quence%20naturelle
Record 21, Spanish
Record 21, Textual support, Spanish
Record 22 - internal organization data 2004-11-09
Record 22, English
Record 22, Subject field(s)
- Scientific Research Equipment
Record 22, Main entry term, English
- proton magnetometer
1, record 22, English, proton%20magnetometer
correct
Record 22, Abbreviations, English
Record 22, Synonyms, English
Record 22, Textual support, English
Record number: 22, Textual support number: 1 DEF
An instrument used for carrying out a magnetic survey of an area by measuring the absolute magnetic field at specific points and plotting these on a grid of the area. 2, record 22, English, - proton%20magnetometer
Record 22, French
Record 22, Domaine(s)
- Matériel et équipement (Recherche scientifique)
Record 22, Main entry term, French
- magnétomètre à protons
1, record 22, French, magn%C3%A9tom%C3%A8tre%20%C3%A0%20protons
correct, masculine noun
Record 22, Abbreviations, French
Record 22, Synonyms, French
Record 22, Textual support, French
Record number: 22, Textual support number: 1 CONT
Le magnétomètre à protons utilise la résonance magnétique nucléaire : la fréquence de résonance des protons est proportionnelle au champ appliqué. 2, record 22, French, - magn%C3%A9tom%C3%A8tre%20%C3%A0%20protons
Record number: 22, Textual support number: 1 PHR
Magnétomètre scalaire à protons à effet Overhauser. 3, record 22, French, - magn%C3%A9tom%C3%A8tre%20%C3%A0%20protons
Record 22, Spanish
Record 22, Textual support, Spanish
Record 23 - internal organization data 2004-04-07
Record 23, English
Record 23, Subject field(s)
- Counter-Measures (Military operations)
Record 23, Main entry term, English
- rope
1, record 23, English, rope
correct
Record 23, Abbreviations, English
Record 23, Synonyms, English
Record 23, Textual support, English
Record number: 23, Textual support number: 1 DEF
An element of chaff consisting of a long roll of metallic foil or wire which is designed for broad, low-frequency responses. 1, record 23, English, - rope
Record 23, French
Record 23, Domaine(s)
- Contre-mesures (Opérations militaires)
Record 23, Main entry term, French
- ruban accordé
1, record 23, French, ruban%20accord%C3%A9
correct, masculine noun, officially approved
Record 23, Abbreviations, French
Record 23, Synonyms, French
Record 23, Textual support, French
Record number: 23, Textual support number: 1 DEF
Ruban de clinquant, fil métallique ou aiguille de longueur correspondant à une fréquence de résonance déterminée, habituellement largué par un avion ou projeté par roquette ou projectile et utilisé comme contre-mesures radar. 1, record 23, French, - ruban%20accord%C3%A9
Record number: 23, Textual support number: 1 OBS
ruban accordé : terme et définition uniformisés par le Comité de terminologie française du Conseil de doctrine et de tactique de l’Armée de terre. 2, record 23, French, - ruban%20accord%C3%A9
Record 23, Spanish
Record 23, Textual support, Spanish
Record 24 - internal organization data 2003-02-14
Record 24, English
Record 24, Subject field(s)
- General Mechanics (Physics)
- Acoustics (Physics)
- Audio Technology
- Electrical Circuits and Circuit Breakers
Record 24, Main entry term, English
- natural frequency
1, record 24, English, natural%20frequency
correct
Record 24, Abbreviations, English
Record 24, Synonyms, English
- eigenfrequency 2, record 24, English, eigenfrequency
correct
Record 24, Textual support, English
Record number: 24, Textual support number: 1 DEF
One of the frequencies of free oscillations of a system. 3, record 24, English, - natural%20frequency
Record number: 24, Textual support number: 1 CONT
A vibrating system when displaced from its neutral position oscillates about this position with a frequency characteristic of the system - the natural frequency of the system. The amplitude decays gradually ... until the energy supplied by the initial displacement has been expended into the medium. These vibrations are called free vibrations. 4, record 24, English, - natural%20frequency
Record 24, Key term(s)
- eigen frequency
Record 24, French
Record 24, Domaine(s)
- Mécanique générale (Physique)
- Acoustique (Physique)
- Électroacoustique
- Circuits électriques et coupe-circuits
Record 24, Main entry term, French
- fréquence propre
1, record 24, French, fr%C3%A9quence%20propre
correct, feminine noun, standardized
Record 24, Abbreviations, French
Record 24, Synonyms, French
- fréquence propre d’oscillation 2, record 24, French, fr%C3%A9quence%20propre%20d%26rsquo%3Boscillation
correct, feminine noun
- fréquence naturelle 3, record 24, French, fr%C3%A9quence%20naturelle
correct, feminine noun
- fréquence de résonance 4, record 24, French, fr%C3%A9quence%20de%20r%C3%A9sonance
correct, feminine noun
Record 24, Textual support, French
Record number: 24, Textual support number: 1 DEF
Fréquence à laquelle peut se produire une oscillation libre dans un dispositif donné. 5, record 24, French, - fr%C3%A9quence%20propre
Record number: 24, Textual support number: 1 CONT
Tout milieu a sa fréquence propre, dite encore fréquence naturelle, fréquence à laquelle il vibre si on le laisse libre d’osciller à sa guise, en absence de toute force extérieure [...] 6, record 24, French, - fr%C3%A9quence%20propre
Record number: 24, Textual support number: 2 CONT
Si les effets d’amplification de la résonance sont très souvent utiles, il est bien des cas où l’on doit chercher à les réduire au minimum : dans les haut-parleurs par exemple, dont la membrane a ses fréquences propres d’oscillation [...]; dans les machines tournantes, où toute résonance d’une partie des appareils se traduit par une fatigue de cette partie [...] 2, record 24, French, - fr%C3%A9quence%20propre
Record number: 24, Textual support number: 1 OBS
fréquence propre : terme normalisé par l’AFNOR. 7, record 24, French, - fr%C3%A9quence%20propre
Record 24, Key term(s)
- fréquence propre d’un système
Record 24, Spanish
Record 24, Campo(s) temático(s)
- Mecánica general (Física)
- Acústica (Física)
- Electroacústica
- Circuitos eléctricos e interruptores automáticos
Record 24, Main entry term, Spanish
- frecuencia propia
1, record 24, Spanish, frecuencia%20propia
correct, feminine noun
Record 24, Abbreviations, Spanish
Record 24, Synonyms, Spanish
- frecuencia natural 2, record 24, Spanish, frecuencia%20natural
correct, feminine noun
Record 24, Textual support, Spanish
Record number: 24, Textual support number: 1 DEF
La frecuencia de oscilación libre; por ejemplo, la frecuencia de resonancia de cualquier dispositivo o circuito. 3, record 24, Spanish, - frecuencia%20propia
Record 25 - internal organization data 2002-12-10
Record 25, English
Record 25, Subject field(s)
- Acoustics (Physics)
Record 25, Main entry term, English
- spring loaded system
1, record 25, English, spring%20loaded%20system
correct
Record 25, Abbreviations, English
Record 25, Synonyms, English
Record 25, Textual support, English
Record 25, Key term(s)
- spring-loaded system
Record 25, French
Record 25, Domaine(s)
- Acoustique (Physique)
Record 25, Main entry term, French
- système masse-ressort
1, record 25, French, syst%C3%A8me%20masse%2Dressort
masculine noun
Record 25, Abbreviations, French
Record 25, Synonyms, French
Record 25, Textual support, French
Record number: 25, Textual support number: 1 CONT
Un système masse-ressort oscille seulement à une certaine fréquence et un atome oscille seulement à certaines fréquences appelées fréquences de résonance. 2, record 25, French, - syst%C3%A8me%20masse%2Dressort
Record 25, Spanish
Record 25, Textual support, Spanish
Record 26 - internal organization data 2002-12-09
Record 26, English
Record 26, Subject field(s)
- Optics
- Lasers and Masers
- Flight Instruments and Equipment (Aeroindustry)
Record 26, Main entry term, English
- optical path length
1, record 26, English, optical%20path%20length
correct
Record 26, Abbreviations, English
Record 26, Synonyms, English
Record 26, Textual support, English
Record number: 26, Textual support number: 1 DEF
[Of a laser gyro] the length of the optical path traversed in a single pass by the laser beams. 2, record 26, English, - optical%20path%20length
Record 26, French
Record 26, Domaine(s)
- Optique
- Masers et lasers
- Instruments et équipement de bord (Constructions aéronautiques)
Record 26, Main entry term, French
- longueur du chemin optique
1, record 26, French, longueur%20du%20chemin%20optique
correct, feminine noun
Record 26, Abbreviations, French
Record 26, Synonyms, French
- longueur du trajet optique 2, record 26, French, longueur%20du%20trajet%20optique
correct, feminine noun
Record 26, Textual support, French
Record number: 26, Textual support number: 1 CONT
L'effet SAGNAC qui a donné lieu aux gyrolasers(RLG) et aux gyromètres à fibre optique(GFO), fait appel à des notions complexes d’optique laser et de mécanique relativiste. Le principe de fonctionnement des RLG correspond à une cavité optique résonante, dans laquelle deux ondes propagatives sont créées et émises en sens opposé. La fréquence de ces ondes s’accorde sur la longueur du chemin optique. Si la cavité résonante est animée d’un mouvement de rotation orthogonal à son plan, le chemin optique de l'une des ondes va se raccourcir tandis que celui de l'autre va s’allonger. Cette différence de chemin optique va se concrétiser par une séparation des fréquences de résonance des ondes et cet écart de fréquence est l'image de la rotation subie. 3, record 26, French, - longueur%20du%20chemin%20optique
Record 26, Spanish
Record 26, Campo(s) temático(s)
- Óptica
- Láser y máser
- Instrumentos y equipo de vuelo (Industria aeronáutica)
Record 26, Main entry term, Spanish
- longitud del camino óptico
1, record 26, Spanish, longitud%20del%20camino%20%C3%B3ptico
correct, feminine noun
Record 26, Abbreviations, Spanish
Record 26, Synonyms, Spanish
- longitud del trayecto óptico 1, record 26, Spanish, longitud%20del%20trayecto%20%C3%B3ptico
correct, feminine noun, Mexico
Record 26, Textual support, Spanish
Record number: 26, Textual support number: 1 DEF
Longitud del camino óptico atravesado en un único paso por el haz de láser. 1, record 26, Spanish, - longitud%20del%20camino%20%C3%B3ptico
Record number: 26, Textual support number: 1 OBS
giro láser 1, record 26, Spanish, - longitud%20del%20camino%20%C3%B3ptico
Record 27 - internal organization data 2002-08-14
Record 27, English
Record 27, Subject field(s)
- Magnetism
Record 27, Main entry term, English
- gyromagnetic resonance
1, record 27, English, gyromagnetic%20resonance
correct
Record 27, Abbreviations, English
Record 27, Synonyms, English
Record 27, Textual support, English
Record number: 27, Textual support number: 1 DEF
A resonance associated to the gyromagnetic effect where the frequency of an imposed periodic disturbance coincides with the frequency of the precessional motion. 2, record 27, English, - gyromagnetic%20resonance
Record 27, French
Record 27, Domaine(s)
- Magnétisme
Record 27, Main entry term, French
- résonance gyromagnétique
1, record 27, French, r%C3%A9sonance%20gyromagn%C3%A9tique
correct, feminine noun
Record 27, Abbreviations, French
Record 27, Synonyms, French
Record 27, Textual support, French
Record number: 27, Textual support number: 1 DEF
Résonance qui se manifeste lorsque la fréquence d’une oscillation périodique appliquée à un milieu ou une substance gyromagnétique coïncide avec la fréquence du mouvement de précession dans ce milieu. 1, record 27, French, - r%C3%A9sonance%20gyromagn%C3%A9tique
Record 27, Spanish
Record 27, Campo(s) temático(s)
- Magnetismo
Record 27, Main entry term, Spanish
- resonancia giromagnética
1, record 27, Spanish, resonancia%20giromagn%C3%A9tica
correct, feminine noun
Record 27, Abbreviations, Spanish
Record 27, Synonyms, Spanish
Record 27, Textual support, Spanish
Record number: 27, Textual support number: 1 DEF
Resonancia asociada al efecto giromagnético cuando la frecuencia de una interferencia periódica impuesta coincide con la frecuencia de un movimiento precesional. 1, record 27, Spanish, - resonancia%20giromagn%C3%A9tica
Record 28 - internal organization data 2002-04-16
Record 28, English
Record 28, Subject field(s)
- Audio Technology
Record 28, Main entry term, English
- air-tight enclosure
1, record 28, English, air%2Dtight%20enclosure
correct
Record 28, Abbreviations, English
Record 28, Synonyms, English
- total enclosure 2, record 28, English, total%20enclosure
correct
- closed box loudspeaker system 3, record 28, English, closed%20box%20loudspeaker%20system
correct
- enclosed speaker system 4, record 28, English, enclosed%20speaker%20system
correct
- sealed-box speaker system 5, record 28, English, sealed%2Dbox%20speaker%20system
correct
Record 28, Textual support, English
Record number: 28, Textual support number: 1 CONT
A ... book-shelf system, Maximus I, manufactured by Goodmans of England, ... is of the acoustic-suspension type, using an air-tight enclosure. ... The efficiency is quite low, so the speaker should be driven with at least a 20-watt amplifier. 6, record 28, English, - air%2Dtight%20enclosure
Record number: 28, Textual support number: 1 OBS
The speaker(s), plus this type of enclosure, may be referred to as the closed-box loudspeaker (system) (cf. JOAUD, 20(10), Dec. 1972, p. 798), enclosed speaker (system) (cf. HIREC, 24(3), 1979, p. 147), or sealed-box speaker (system) (cf. AUDIO, 55(3), 1971, p. 30). 7, record 28, English, - air%2Dtight%20enclosure
Record 28, Key term(s)
- closed-box loudspeaker
- enclosed speaker
- enclosed loudspeaker
- sealed box loudspeaker
- sealed-box speaker
Record 28, French
Record 28, Domaine(s)
- Électroacoustique
Record 28, Main entry term, French
- enceinte close
1, record 28, French, enceinte%20close
correct, feminine noun
Record 28, Abbreviations, French
Record 28, Synonyms, French
Record 28, Textual support, French
Record number: 28, Textual support number: 1 DEF
[...] enceinte [qui] est complètement hermétique. 2, record 28, French, - enceinte%20close
Record number: 28, Textual support number: 1 CONT
Les enceintes closes : elles sont les plus répandues actuellement. [...] Elles doivent être rigoureusement étanches. Il est préférable que les haut-parleurs, qui sont montés dans ce type d’enceinte, aient une fréquence de résonance très basse. 3, record 28, French, - enceinte%20close
Record number: 28, Textual support number: 1 OBS
Les mouvements des haut-parleurs compriment le volume d’air interne de l’enceinte. 2, record 28, French, - enceinte%20close
Record 28, Spanish
Record 28, Textual support, Spanish
Record 29 - internal organization data 2002-04-09
Record 29, English
Record 29, Subject field(s)
- Geophysics
Record 29, Main entry term, English
- measurement by the resonance method
1, record 29, English, measurement%20by%20the%20resonance%20method
proposal
Record 29, Abbreviations, English
Record 29, Synonyms, English
Record 29, Textual support, English
Record 29, French
Record 29, Domaine(s)
- Géophysique
Record 29, Main entry term, French
- mesure par méthode de résonance
1, record 29, French, mesure%20par%20m%C3%A9thode%20de%20r%C3%A9sonance
correct, feminine noun
Record 29, Abbreviations, French
Record 29, Synonyms, French
Record 29, Textual support, French
Record number: 29, Textual support number: 1 OBS
[La mesure par méthode de résonance est une méthode de mesure des résistivités électriques en laboratoire. ] Une source d’alimentation de haute fréquence(bande radio) est branchée au secondaire d’une bobine d’inductance mutuelle en parallèle avec un condensateur variable [...] et le condensateur de la roche [...]; un voltmètre indique un minimum au point de résonance. 1, record 29, French, - mesure%20par%20m%C3%A9thode%20de%20r%C3%A9sonance
Record 29, Spanish
Record 29, Textual support, Spanish
Record 30 - internal organization data 2001-06-21
Record 30, English
Record 30, Subject field(s)
- Magnetism
- Electromagnetism
- Atomic Physics
Record 30, Main entry term, English
- magnetic moment
1, record 30, English, magnetic%20moment
correct
Record 30, Abbreviations, English
Record 30, Synonyms, English
- magnetic dipole moment 2, record 30, English, magnetic%20dipole%20moment
correct
- dipole moment 3, record 30, English, dipole%20moment
correct
- moment of a magnet 4, record 30, English, moment%20of%20a%20magnet
correct
Record 30, Textual support, English
Record number: 30, Textual support number: 1 DEF
A vector associated with a magnet, current loop, particle, or such, whose cross product with the magnetic induction (or alternatively, the magnetic field strength) of a magnetic field is equal to the torque exerted on the system by the field. 3, record 30, English, - magnetic%20moment
Record number: 30, Textual support number: 1 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 NMR gyro utilizes the intrinsic property of certain nuclei to determine angular displacement about a defined input axis. These nuclei have angular momentum, hence magnetic moment. 5, record 30, English, - magnetic%20moment
Record 30, French
Record 30, Domaine(s)
- Magnétisme
- Électromagnétisme
- Physique atomique
Record 30, Main entry term, French
- moment magnétique
1, record 30, French, moment%20magn%C3%A9tique
correct, masculine noun
Record 30, Abbreviations, French
Record 30, Synonyms, French
- moment magnétique dipolaire 2, record 30, French, moment%20magn%C3%A9tique%20dipolaire
correct, masculine noun
- moment dipole 3, record 30, French, moment%20dipole
correct, masculine noun
- moment magnétique coulombien 4, record 30, French, moment%20magn%C3%A9tique%20coulombien
correct, masculine noun
Record 30, Textual support, French
Record number: 30, Textual support number: 1 DEF
Vecteur représentant l’aimantation d’un aimant, d’une boucle de courant. 5, record 30, French, - moment%20magn%C3%A9tique
Record number: 30, Textual support number: 1 CONT
Le principe de la résonance magnétique repose sur le fait que lorsqu'un moment magnétique situé dans un champ magnétique est soumis à une excitation magnétique périodique, son comportement n’ est influencé par l'excitation que si celle-ci à une fréquence bien déterminée. Cette perturbation affecte le comportement électromagnétique de l'échantillon étudié et peut être mesurée. On obtient alors une courbe de variation appelée raie de résonance. La mesure directe de la résonance magnétique a été améliorée à l'occasion des études sur les radars pendant la Seconde Guerre mondiale. 6, record 30, French, - moment%20magn%C3%A9tique
Record number: 30, Textual support number: 2 CONT
Lévitation magnétique [...] - rotation: il est possible de faire léviter un objet avec des aimants fixes. Un exemple en est le lévitron : il s’agit d’une toupie aimantée qui est en lévitation au-dessus d’une base aimantée. En fait, le lévitron peut être considéré comme une sorte de corps diamagnétique : par rotation, on stabilise la direction du moment magnétique dans l’espace (on a un gyroscope magnétique) et on place cet aimant dans un champ magnétique anti-parallèle. 7, record 30, French, - moment%20magn%C3%A9tique
Record 30, Spanish
Record 30, Textual support, Spanish
Record 31 - internal organization data 2001-05-28
Record 31, English
Record 31, Subject field(s)
- Seismic Prospecting
- Geophysics
- Research and Development (Petroleum Tech.)
Record 31, Main entry term, English
- air gun
1, record 31, English, air%20gun
correct
Record 31, Abbreviations, English
Record 31, Synonyms, English
Record 31, Textual support, English
Record number: 31, Textual support number: 1 DEF
An energy source extensively used in marine seismic surveys. Air under high pressure is abruptly released into the water to generate a seismic wave. 2, record 31, English, - air%20gun
Record number: 31, Textual support number: 1 OBS
As the gun is trailed behind a boat, air is released, making a low-frequency popping noise, which penetrates the subsurface rock layers and is reflected by the layers. Sensitive hydrophones receive the reflections and transmit them to recording equipment on the boat. 3, record 31, English, - air%20gun
Record number: 31, Textual support number: 2 OBS
Air guns have also been adapted for lowering in a borehole or pushed down into the marsh ... Air guns are also used in small tanks of water which are set on the surface of the ground as a seismic source on land. 4, record 31, English, - air%20gun
Record 31, French
Record 31, Domaine(s)
- Prospection sismique
- Géophysique
- Recherche et développement (Technol. pétrol.)
Record 31, Main entry term, French
- canon à air
1, record 31, French, canon%20%C3%A0%20air
correct, masculine noun
Record 31, Abbreviations, French
Record 31, Synonyms, French
Record 31, Textual support, French
Record number: 31, Textual support number: 1 DEF
Source d’ondes acoustiques utilisé en sismique marine. 2, record 31, French, - canon%20%C3%A0%20air
Record number: 31, Textual support number: 1 CONT
Un navire de prospection pétrolière est équipé d’instruments [...] dont le canon à air, ou autre source d’ébranlement pour la sismique, immergé à l’arrière. 3, record 31, French, - canon%20%C3%A0%20air
Record number: 31, Textual support number: 2 CONT
Dans le canon à air le train d’ondes est obtenu par libération brutale de l’air comprimé dans l’eau [...] 2, record 31, French, - canon%20%C3%A0%20air
Record number: 31, Textual support number: 3 CONT
Le canon à air [...] utilise la détente brutale d’air comprimé sous une pression de 150 bar. 4, record 31, French, - canon%20%C3%A0%20air
Record number: 31, Textual support number: 1 OBS
[...] un des appareils les plus employés [...] Un volume d’air de l'ordre de 1, 5 décilitre, fortement comprimé, est brutalement libéré dans l'eau et ce sont les oscillations de la bulle ainsi créée qui produisent le signal acoustique, la fréquence de résonance dépendant du volume de gaz, de sa pression initiale et de la profondeur d’immersion du canon. 5, record 31, French, - canon%20%C3%A0%20air
Record 31, Key term(s)
- canon pneumatique
Record 31, Spanish
Record 31, Campo(s) temático(s)
- Prospección sísmica
- Geofísica
- Investigación y desarrollo (Tecnología petrolera)
Record 31, Main entry term, Spanish
- cañón de aire
1, record 31, Spanish, ca%C3%B1%C3%B3n%20de%20aire
masculine noun
Record 31, Abbreviations, Spanish
Record 31, Synonyms, Spanish
Record 31, Textual support, Spanish
Record 32 - internal organization data 2001-05-04
Record 32, English
Record 32, Subject field(s)
- Energy Transformation
- Thermonuclear fusion
- Atomic Physics
Record 32, Main entry term, English
- high frequency plug
1, record 32, English, high%20frequency%20plug
correct, standardized
Record 32, Abbreviations, English
Record 32, Synonyms, English
- HF plug 1, record 32, English, HF%20plug
correct, standardized
Record 32, Textual support, English
Record number: 32, Textual support number: 1 DEF
Electromagnetic confinement by high frequency (HF) fields - produced either by a) the action of HF confinement (radiation pressure) or b) by the combined action of the non-uniform static magnetic field and of HF fields at the electron cyclotron resonance. [Definition standardized by ISO.] 2, record 32, English, - high%20frequency%20plug
Record number: 32, Textual support number: 1 OBS
high frequency plug; HF plug: terms standardized by ISO. 3, record 32, English, - high%20frequency%20plug
Record 32, French
Record 32, Domaine(s)
- Transformation de l'énergie
- Fusion thermonucléaire
- Physique atomique
Record 32, Main entry term, French
- bouchon haute fréquence
1, record 32, French, bouchon%20haute%20fr%C3%A9quence
correct, masculine noun, standardized
Record 32, Abbreviations, French
Record 32, Synonyms, French
- bouchon HF 1, record 32, French, bouchon%20HF
correct, masculine noun, standardized
- tampon HF 1, record 32, French, tampon%20HF
masculine noun, standardized
Record 32, Textual support, French
Record number: 32, Textual support number: 1 DEF
Confinement électromagnétique par des champs de haute fréquence(HF) produit soit par a) l'action d’un confinement HF(pression de rayonnement) soit par b) l'action combinée du champ magnétique statique non uniforme et de champs HF à la résonance cyclotronique des électrons. [Définition normalisée par l'ISO. ] 2, record 32, French, - bouchon%20haute%20fr%C3%A9quence
Record number: 32, Textual support number: 1 OBS
bouchon haute fréquence; bouchon HF; tampon HF : termes normalisés par l’ISO. 3, record 32, French, - bouchon%20haute%20fr%C3%A9quence
Record 32, Spanish
Record 32, Textual support, Spanish
Record 33 - internal organization data 2001-04-26
Record 33, English
Record 33, Subject field(s)
- Energy Transformation
- Thermonuclear fusion
- Atomic Physics
Record 33, Main entry term, English
- cyclotron resonance heating
1, record 33, English, cyclotron%20resonance%20heating
correct, standardized
Record 33, Abbreviations, English
Record 33, Synonyms, English
- cyclotron heating 2, record 33, English, cyclotron%20heating
Record 33, Textual support, English
Record number: 33, Textual support number: 1 DEF
Radio-frequency heating of a confined plasma by launching waves at frequencies such that they are in resonance with the cyclotron frequency of ions (ICRH) or electrons (ECRH). 3, record 33, English, - cyclotron%20resonance%20heating
Record number: 33, Textual support number: 1 OBS
cyclotron resonance heating: term and definition standardized by ISO. 4, record 33, English, - cyclotron%20resonance%20heating
Record 33, French
Record 33, Domaine(s)
- Transformation de l'énergie
- Fusion thermonucléaire
- Physique atomique
Record 33, Main entry term, French
- chauffage cyclotronique
1, record 33, French, chauffage%20cyclotronique
correct, masculine noun, standardized
Record 33, Abbreviations, French
Record 33, Synonyms, French
- chauffage à résonance cyclotronique 2, record 33, French, chauffage%20%C3%A0%20r%C3%A9sonance%20cyclotronique
masculine noun
Record 33, Textual support, French
Record number: 33, Textual support number: 1 DEF
Chauffage en radiofréquence d’un plasma au moyen d’ondes de fréquence telle qu'elles sont en résonance avec la fréquence gyromagnétique des ions(chauffage à la résonance cyclotronique des ions) ou des électrons(chauffage à la résonance cyclotronique des électrons). 3, record 33, French, - chauffage%20cyclotronique
Record number: 33, Textual support number: 1 OBS
chauffage cyclotronique : termes et définition normalisés par l’ISO. 4, record 33, French, - chauffage%20cyclotronique
Record 33, Spanish
Record 33, Textual support, Spanish
Record 34 - internal organization data 2000-12-21
Record 34, English
Record 34, Subject field(s)
- Building Insulation and Acoustical Design
- Walls and Partitions
Record 34, Main entry term, English
- double wall
1, record 34, English, double%20wall
correct
Record 34, Abbreviations, English
Record 34, Synonyms, English
Record 34, Textual support, English
Record number: 34, Textual support number: 1 CONT
Double plaster walls, using separate framing for each face, are often used for party walls between apartments. 1, record 34, English, - double%20wall
Record number: 34, Textual support number: 1 OBS
double-wall framing: Framing technique used to increase the space for insulation by introducing a second wall that is generally nonload-bearing. 2, record 34, English, - double%20wall
Record 34, Key term(s)
- double-wall framing
- double wall framing
- double-wall
Record 34, French
Record 34, Domaine(s)
- Isolation et acoustique architecturale
- Murs et cloisons
Record 34, Main entry term, French
- double paroi
1, record 34, French, double%20paroi
correct, feminine noun
Record 34, Abbreviations, French
Record 34, Synonyms, French
- paroi double 2, record 34, French, paroi%20double
correct, feminine noun
- cloison double 3, record 34, French, cloison%20double
correct, feminine noun
Record 34, Textual support, French
Record number: 34, Textual support number: 1 CONT
[...] on peut réduire le niveau de bruit initial par une première paroi et diminuer la transmission par une seconde paroi. Comme les affaiblissements s’ajoutent, l’intérêt de la double paroi est évident. Une double paroi est constituée par deux cloisons séparées par une lame d’air qui assure le couplage entre les deux systèmes oscillants. 4, record 34, French, - double%20paroi
Record number: 34, Textual support number: 2 CONT
Pour accroître la perte de transmission du son à travers un mur de blocs de béton, on peut laisser un espace entre les plaques de plâtre et celui-ci de manière à former une cloison double ou triple. 3, record 34, French, - double%20paroi
Record number: 34, Textual support number: 3 CONT
Étude de la transmission acoustique par une paroi double au voisinage de sa fréquence de résonance : validation expérimentale d’une approche modale par phonoscopie. 5, record 34, French, - double%20paroi
Record 34, Key term(s)
- double cloison
Record 34, Spanish
Record 34, Textual support, Spanish
Record 35 - internal organization data 1999-11-10
Record 35, English
Record 35, Subject field(s)
- Energy Transformation
- Ocean Energy
- Wave-Energy Power Plants
Record 35, Main entry term, English
- nodding duck
1, record 35, English, nodding%20duck
correct
Record 35, Abbreviations, English
Record 35, Synonyms, English
- Salter's nodding duck 2, record 35, English, Salter%27s%20nodding%20duck
correct
- Salter nodding duck 3, record 35, English, Salter%20nodding%20duck
correct
- rocker 3, record 35, English, rocker
- paddle 3, record 35, English, paddle
Record 35, Textual support, English
Record number: 35, Textual support number: 1 CONT
A number of attempts have been made to harness the perennial motion of the ocean. These include such devices as the nodding duck, Cockerell raft, circular sea clam, Bristol cylinder, the frog, and a Swedish wave rotor. However the two devices which have shown the most promise are the Tapchan and the oscillating water chamber. 4, record 35, English, - nodding%20duck
Record 35, French
Record 35, Domaine(s)
- Transformation de l'énergie
- Énergie océanique
- Centrales houlomotrices
Record 35, Main entry term, French
- batteur
1, record 35, French, batteur
correct, masculine noun
Record 35, Abbreviations, French
Record 35, Synonyms, French
- batteur de Salter 1, record 35, French, batteur%20de%20Salter
correct, masculine noun
- canard 1, record 35, French, canard
correct, masculine noun
- canard hocheur 2, record 35, French, canard%20hocheur
correct, masculine noun
Record 35, Textual support, French
Record number: 35, Textual support number: 1 CONT
Le batteur. Un corps mobile autour d’un axe «bat» autour d’une position moyenne à la fréquence de la houle [...] [Ce] dispositif [a été] expérimenté en laboratoire par M. Salter en Grande-Bretagne. La partie arrière du batteur a un rayon constant, le déplacement d’eau est donc nul et la partie arrière ne rayonnera pas de nouvelle vague. La forme de la partie avant a été choisie pour suivre au mieux la décroissance de la taille des orbites des particules d’eau en fonction de la profondeur. Le rendement du dispositif a atteint 90 % à la résonance au laboratoire, mais reste supérieur à 50 % pour une large bande de fréquences. 1, record 35, French, - batteur
Record 35, Spanish
Record 35, Textual support, Spanish
Record 36 - internal organization data 1996-03-28
Record 36, English
Record 36, Subject field(s)
- Advanced Technology Weapons
- Electronic Circuits Technology
- Lasers and Masers
Record 36, Main entry term, English
- integral harmonics
1, record 36, English, integral%20harmonics
correct
Record 36, Abbreviations, English
Record 36, Synonyms, English
Record 36, Textual support, English
Record number: 36, Textual support number: 1 CONT
Another advantage of the hemispherical shape is that the higher-order resonant mode are not integral harmonics, so are not excited by the lowest-order resonance. 1, record 36, English, - integral%20harmonics
Record 36, French
Record 36, Domaine(s)
- Armes de haute technicité
- Technologie des circuits électroniques
- Masers et lasers
Record 36, Main entry term, French
- harmoniques pures
1, record 36, French, harmoniques%20pures
correct, feminine noun
Record 36, Abbreviations, French
Record 36, Synonyms, French
Record 36, Textual support, French
Record number: 36, Textual support number: 1 CONT
L'autre avantage de la forme hémisphérique tient au fait que les autres fréquences de résonance ne sont pas des harmoniques pures, de sorte que l'excitation est sélective, limitée à la fréquence choisie. 1, record 36, French, - harmoniques%20pures
Record 36, Spanish
Record 36, Textual support, Spanish
Record 37 - internal organization data 1995-09-11
Record 37, English
Record 37, Subject field(s)
- Physics
Record 37, Main entry term, English
- resonance quasi-cristal
1, record 37, English, resonance%20quasi%2Dcristal
proposal
Record 37, Abbreviations, English
Record 37, Synonyms, English
- diapason quasi-cristal 1, record 37, English, diapason%20quasi%2Dcristal
proposal
Record 37, Textual support, English
Record 37, French
Record 37, Domaine(s)
- Physique
Record 37, Main entry term, French
- quasi-cristal à diapasons
1, record 37, French, quasi%2Dcristal%20%C3%A0%20diapasons
masculine noun
Record 37, Abbreviations, French
Record 37, Synonyms, French
Record 37, Textual support, French
Record number: 37, Textual support number: 1 CONT
Afin de prévoir les propriétés des quasi-cristaux [...] Shanjin He et J. D. Maynard de l'université de Pennsylvanie aux États-Unis [...] ont construit un instrument de musique pour simuler les mouvements des électrons à l'intérieur d’un quasi-cristal [.... ] Pour construire leur instrument de musique, ils ont dessiné [des dalles en losange d’un pavage de Penrose] sur une plaque d’aluminium très rigide. Au centre de chaque losange, ils ont collé avec de l'époxy un diapason dont le plan des branches est parallèle au petit axe du losange. Chaque diapason constitue un oscillateur avec une fréquence de résonance de 440 Hz, le «la» moyen de la gamme. Pour coupler mécaniquement les diapasons entre eux, ils ont relié chaque branche à sa voisine par un fil métallique soudé à leurs extrémités, ainsi chaque branche du diapason constitue un oscillateur qui est couplé à quatre oscillateurs voisins. Mais, du fait de la structure quasi-périodique, les distances entre un oscillateur central et ses quatre voisins sont égales respectivement à 3, 7, 7, 8 7, 26 et 7, 77. Le réseau d’oscillateurs couplés ainsi constitué est excité par un électro-aimant vibrant, alimenté par un courant alternatif dont la fréquence peut être modifiée de manière continue. Enfin, pour pouvoir enregistrer les sons produits par cet instrument d’un nouveau genre, ils ont utilisé quatre micros de guitare électrique, placés au hasard dans la structure. Pour jouer de l'instrument, on fait varier la fréquence du courant d’excitation de l'électro-aimant. On produit ainsi des sons dont l'intensité dépend de la fréquence d’excitation. Le spectre des fréquences est enregistré. Sa structure est analogue à celui de la lumière émise par une molécule excitée : elle présente des bandes associées à des maxima d’intensité. 1, record 37, French, - quasi%2Dcristal%20%C3%A0%20diapasons
Record 37, Spanish
Record 37, Textual support, Spanish
Record 38 - internal organization data 1993-12-02
Record 38, English
Record 38, Subject field(s)
- Acoustics (Physics)
Record 38, Main entry term, English
- soft bearing above resonance balancing machine
1, record 38, English, soft%20bearing%20above%20resonance%20balancing%20machine
correct
Record 38, Abbreviations, English
Record 38, Synonyms, English
Record 38, Textual support, English
Record number: 38, Textual support number: 1 DEF
Machine having a balancing speed above the natural frequency of the suspension-and-rotor system. 1, record 38, English, - soft%20bearing%20above%20resonance%20balancing%20machine
Record 38, French
Record 38, Domaine(s)
- Acoustique (Physique)
Record 38, Main entry term, French
- machine à équilibrer à paliers souple au-dessus de la fréquence de résonance
1, record 38, French, machine%20%C3%A0%20%C3%A9quilibrer%20%C3%A0%20paliers%20souple%20au%2Ddessus%20de%20la%20fr%C3%A9quence%20de%20r%C3%A9sonance
correct, feminine noun
Record 38, Abbreviations, French
Record 38, Synonyms, French
Record 38, Textual support, French
Record number: 38, Textual support number: 1 DEF
Machine dont la vitesse d’équilibrage est supérieur à la fréquence propre du système suspension et rotor. 1, record 38, French, - machine%20%C3%A0%20%C3%A9quilibrer%20%C3%A0%20paliers%20souple%20au%2Ddessus%20de%20la%20fr%C3%A9quence%20de%20r%C3%A9sonance
Record 38, Spanish
Record 38, Textual support, Spanish
Record 39 - internal organization data 1993-10-14
Record 39, English
Record 39, Subject field(s)
- Acoustics (Physics)
Record 39, Main entry term, English
- resonance vibration generator
1, record 39, English, resonance%20vibration%20generator
correct
Record 39, Abbreviations, English
Record 39, Synonyms, English
Record 39, Textual support, English
Record number: 39, Textual support number: 1 DEF
A vibration generator which contains a vibration system which is excited at its resonance frequency. 1, record 39, English, - resonance%20vibration%20generator
Record 39, French
Record 39, Domaine(s)
- Acoustique (Physique)
Record 39, Main entry term, French
- générateur de vibrations à résonance
1, record 39, French, g%C3%A9n%C3%A9rateur%20de%20vibrations%20%C3%A0%20r%C3%A9sonance
correct, masculine noun
Record 39, Abbreviations, French
Record 39, Synonyms, French
Record 39, Textual support, French
Record number: 39, Textual support number: 1 DEF
Générateur de vibrations qui comporte un dispositif vibrant excité à sa fréquence de résonance. 1, record 39, French, - g%C3%A9n%C3%A9rateur%20de%20vibrations%20%C3%A0%20r%C3%A9sonance
Record 39, Spanish
Record 39, Textual support, Spanish
Record 40 - internal organization data 1992-02-13
Record 40, English
Record 40, Subject field(s)
- Tools and Equipment (Textile Industries)
- Textiles: Preparation and Processing
Record 40, Main entry term, English
- dryer for fabrics
1, record 40, English, dryer%20for%20fabrics
correct
Record 40, Abbreviations, English
Record 40, Synonyms, English
Record 40, Textual support, English
Record 40, French
Record 40, Domaine(s)
- Outillage et équipement (Industries du textile)
- Apprêt et traitements divers (Textiles)
Record 40, Main entry term, French
- séchoir pour tissus
1, record 40, French, s%C3%A9choir%20pour%20tissus
correct, masculine noun
Record 40, Abbreviations, French
Record 40, Synonyms, French
Record 40, Textual support, French
Record number: 40, Textual support number: 1 CONT
Séchoir à étages dernière génération des séchoirs Alea; permet une durée de séjour en séchoir longue, un séchage progressif et de bonnes conditions de relaxation des tissus. Tapis en Kevlar avec guidage automatique et tension pneumatique contrôlée. Séchoir à haute fréquence(...) avec un nouveau système de cavité de résonance qui permet un rendement élevé et une bonne stabilité du circuit haute fréquence. 1, record 40, French, - s%C3%A9choir%20pour%20tissus
Record 40, Spanish
Record 40, Textual support, Spanish
Record 41 - internal organization data 1990-07-23
Record 41, English
Record 41, Subject field(s)
- Atomic Physics
Record 41, Main entry term, English
- radio-frequency resonance accelerator
1, record 41, English, radio%2Dfrequency%20resonance%20accelerator
correct
Record 41, Abbreviations, English
Record 41, Synonyms, English
- resonance accelerator 2, record 41, English, resonance%20accelerator
correct
Record 41, Textual support, English
Record number: 41, Textual support number: 1 CONT
The magnetic resonance accelerator, or cyclotron, was the first cyclic accelerator and the first resonance accelerator that produced particles energetic enough to be useful for nuclear research. 3, record 41, English, - radio%2Dfrequency%20resonance%20accelerator
Record 41, French
Record 41, Domaine(s)
- Physique atomique
Record 41, Main entry term, French
- accélérateur résonnant
1, record 41, French, acc%C3%A9l%C3%A9rateur%20r%C3%A9sonnant
correct, masculine noun
Record 41, Abbreviations, French
Record 41, Synonyms, French
Record 41, Textual support, French
Record number: 41, Textual support number: 1 OBS
résonance :[...] états métastables de certaines particules fondamentales, à cause de l'analogie avec les systèmes mécaniques : excités sur leur fréquence propre, ceux-ci "résonnent", c'est-à-dire réagissent très fortement. 2, record 41, French, - acc%C3%A9l%C3%A9rateur%20r%C3%A9sonnant
Record number: 41, Textual support number: 2 OBS
accélération résonnante. L'accélérateur électrostatique crée en permanence un champ de forces tout le long de la trajectoire de la particule à accélérer. Cela exige donc des valeurs de potentiel très élevées [...] R. Wideroe démontrait la validité du principe du champ accélérateur ne s’établissant qu'au moment où la particule traverse un espace accélérateur, en faisant fonctionner un dispositif doubleur d’énergie où un oscillateur radio à la fréquence de 1 MHz produisait des potentiels alternatifs dans deux intervalles successifs d’accélération. La condition de résonance était que la distance entre les deux intervalles soit parcourue par la particule dans un temps égal à une période du champ alternatif. 1, record 41, French, - acc%C3%A9l%C3%A9rateur%20r%C3%A9sonnant
Record 41, Spanish
Record 41, Textual support, Spanish
Record 42 - internal organization data 1990-06-18
Record 42, English
Record 42, Subject field(s)
- Atomic Physics
Record 42, Main entry term, English
- phase stability
1, record 42, English, phase%20stability
correct
Record 42, Abbreviations, English
Record 42, Synonyms, English
Record 42, Textual support, English
Record number: 42, Textual support number: 1 DEF
A principle governing the stability of motion of particles in a synchrotron; the charged particle must be accelerated in each cycle at a time slightly earlier than the peak value of the accelerating potential. 2, record 42, English, - phase%20stability
Record 42, French
Record 42, Domaine(s)
- Physique atomique
Record 42, Main entry term, French
- stabilité de phase
1, record 42, French, stabilit%C3%A9%20de%20phase
correct, feminine noun
Record 42, Abbreviations, French
Record 42, Synonyms, French
Record 42, Textual support, French
Record number: 42, Textual support number: 1 CONT
l'accélération synchrone.(...) Pour rétablir la condition de résonance [on proposa](...) deux types de solutions :-maintenir constant le champ magnétique en diminuant progressivement la fréquence du champ accélérateur(principe du synchrocyclotron) ;-maintenir constante la fréquence du champ accélérateur en augmentant progressivement le champ magnétique(principe du synchrotron).(...) les auteurs démontrèrent la propriété de "stabilité de phase" de certaines orbites. Soit par exemple une particule se présentant durant une alternance décroissante du champ HF accélérateur; si elle est déphasée en avance, elle sera accélérée davantage, ce qui diminuera sa vitesse angulaire, donc allongera le temps de parcours de son orbite et la fera arriver "en retard" au prochain tour, la ramenant ainsi vers la phase d’équilibre. 2, record 42, French, - stabilit%C3%A9%20de%20phase
Record 42, Spanish
Record 42, Textual support, Spanish
Record 43 - internal organization data 1990-06-18
Record 43, English
Record 43, Subject field(s)
- Electromagnetic Radiation
Record 43, Main entry term, English
- rf accelerating cavity
1, record 43, English, rf%20accelerating%20cavity
correct
Record 43, Abbreviations, English
Record 43, Synonyms, English
- radio-frequency accelerating cavity 2, record 43, English, radio%2Dfrequency%20accelerating%20cavity
correct
Record 43, Textual support, English
Record 43, Key term(s)
- radio-frequency cavity
Record 43, French
Record 43, Domaine(s)
- Rayonnements électromagnétiques
Record 43, Main entry term, French
- cavité accélératrice rf
1, record 43, French, cavit%C3%A9%20acc%C3%A9l%C3%A9ratrice%20rf
correct, feminine noun
Record 43, Abbreviations, French
Record 43, Synonyms, French
- cavité rf 1, record 43, French, cavit%C3%A9%20rf
correct, feminine noun
- cavité radiofréquence 1, record 43, French, cavit%C3%A9%20radiofr%C3%A9quence
correct, feminine noun
Record 43, Textual support, French
Record number: 43, Textual support number: 1 CONT
Les systèmes accélérateurs. Le problème de l'accélération des électrons est très différent de celui des ions. Les électrons deviennent ultrarelativistes pour des énergies voisines de l'énergie d’injection, ce qui permet à la cavité accélératrice rf d’osciller à une fréquence fixe(...) Une cavité rf peut consister en une structure coaxiale d’un quart de longueur d’onde, ouverte à une extrémité. Une tension importante se développe à l'extrémité ouverte lorsque la cavité est excitée à sa fréquence de résonance. 1, record 43, French, - cavit%C3%A9%20acc%C3%A9l%C3%A9ratrice%20rf
Record 43, Spanish
Record 43, Textual support, Spanish
Record 44 - internal organization data 1989-03-13
Record 44, English
Record 44, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
Record 44, Main entry term, English
- microwave ice accretion measurement instrument
1, record 44, English, microwave%20ice%20accretion%20measurement%20instrument
correct
Record 44, Abbreviations, English
- MIAMI 2, record 44, English, MIAMI
correct
Record 44, Synonyms, English
Record 44, Textual support, English
Record 44, French
Record 44, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
Record 44, Main entry term, French
- détecteur de givre
1, record 44, French, d%C3%A9tecteur%20de%20givre
masculine noun
Record 44, Abbreviations, French
Record 44, Synonyms, French
Record 44, Textual support, French
Record number: 44, Textual support number: 1 OBS
Cavité micro-onde(6 GHz environ) [encastrée dans la structure, donc ne modifiant en rien la surface locale] dont la fréquence de résonance varie avec la couche de glace déposée sur sa surface. 1, record 44, French, - d%C3%A9tecteur%20de%20givre
Record 44, Spanish
Record 44, Textual support, Spanish
Record 45 - internal organization data 1987-05-25
Record 45, English
Record 45, Subject field(s)
- Optics
- Analytical Chemistry
- Nuclear Medicine
Record 45, Main entry term, English
- atomic absorption spectrophotometer
1, record 45, English, atomic%20absorption%20spectrophotometer
correct
Record 45, Abbreviations, English
Record 45, Synonyms, English
Record 45, Textual support, English
Record number: 45, Textual support number: 1 CONT
The basic components of an atomic absorption spectrophotometer are the light source, the vaporizer, the monochromator, and the detector. 1, record 45, English, - atomic%20absorption%20spectrophotometer
Record 45, French
Record 45, Domaine(s)
- Optique
- Chimie analytique
- Médecine nucléaire
Record 45, Main entry term, French
- spectrophotomètre d’absorption atomique
1, record 45, French, spectrophotom%C3%A8tre%20d%26rsquo%3Babsorption%20atomique
correct, masculine noun
Record 45, Abbreviations, French
Record 45, Synonyms, French
Record 45, Textual support, French
Record number: 45, Textual support number: 1 CONT
Une nouvelle utilisation de la flamme en spectrochimie est la spectrophotométrie d’absorption atomique(...). Lorsqu'une radiation spectrale de fréquence donnée traverse une enceinte d’atomes, la résonance s’accompagne d’une absorption de radiation incidente. La flamme est utilisée comme source d’atomes neutres susceptibles d’absorber spectralement aux longueurs d’onde de leurs raies de résonance. La source est une lampe à cathode creuse qui émet le spectre de l'élément à déterminer. Sa lumière traverse la flamme dans laquelle l'échantillon est vaporisé. Un monochromateur isole une des raies de résonance. On mesure l'intensité de la raie avant et pendant la vaporisation de la solution. On détermine alors le coefficient d’absorption atomique à partir du rapport des résultats obtenus. 2, record 45, French, - spectrophotom%C3%A8tre%20d%26rsquo%3Babsorption%20atomique
Record 45, Spanish
Record 45, Textual support, Spanish
Record 46 - internal organization data 1986-06-27
Record 46, English
Record 46, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 46, Main entry term, English
- normal mode of a room
1, record 46, English, normal%20mode%20of%20a%20room
correct
Record 46, Abbreviations, English
Record 46, Synonyms, English
Record 46, Textual support, English
Record number: 46, Textual support number: 1 DEF
one of the possible ways in which the air in a room, considered as an elastic body, will vibrate naturally when subjected to an acoustical disturbance. With each normal mode is associated a resonance frequency and, in general, a group of wave propagation directions comprising a closed path. 1, record 46, English, - normal%20mode%20of%20a%20room
Record 46, French
Record 46, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 46, Main entry term, French
- résonance propre d’un local
1, record 46, French, r%C3%A9sonance%20propre%20d%26rsquo%3Bun%20local
feminine noun
Record 46, Abbreviations, French
Record 46, Synonyms, French
Record 46, Textual support, French
Record number: 46, Textual support number: 1 DEF
(mode normal de vibration) : dans un local considéré comme un corps élastique, l'une des manières dont l'air ambiant vibre naturellement lorsqu'on le soumet à une perturbation acoustique. A chaque mode de résonance correspond une fréquence de résonance et, généralement, un ensemble de directions de propagation d’ondes formant un parcours fermé. 1, record 46, French, - r%C3%A9sonance%20propre%20d%26rsquo%3Bun%20local
Record 46, Spanish
Record 46, Textual support, Spanish
Record 47 - internal organization data 1985-01-16
Record 47, English
Record 47, Subject field(s)
- Chutes, Spouts and Conveyors
Record 47, Main entry term, English
- forced vibration vibrating conveyor
1, record 47, English, forced%20vibration%20vibrating%20conveyor
correct
Record 47, Abbreviations, English
Record 47, Synonyms, English
- vibrating conveyor of the forced vibration type 1, record 47, English, vibrating%20conveyor%20of%20the%20forced%20vibration%20type
correct
Record 47, Textual support, English
Record number: 47, Textual support number: 1 CONT
There are two basic types of vibrating conveyors: (1) the natural frequency types ... and (2) forced vibration types (those supported by rocker arms or rods pivoted at the through and at the base connections). 1, record 47, English, - forced%20vibration%20vibrating%20conveyor
Record 47, Key term(s)
- vibrating conveyer of the forced vibration type
- forced vibration vibrating conveyer
Record 47, French
Record 47, Domaine(s)
- Convoyeurs et goulottes (Manutention)
Record 47, Main entry term, French
- transporteur vibrant à simple masse
1, record 47, French, transporteur%20vibrant%20%C3%A0%20simple%20masse
correct, masculine noun
Record 47, Abbreviations, French
Record 47, Synonyms, French
Record 47, Textual support, French
Record number: 47, Textual support number: 1 CONT
Le transporteur vibrant(...) On distingue deux familles d’appareils vibrants : Les appareils à simple masse. Le générateur de vibrations est fixé rigidement au couloir du transporteur. La liaison avec la structure de support se fait par l'intermédiaire d’éléments élastiques(ressorts à boudin, ressorts à lames, tampons en caoutchouc). Ces appareils travaillent très au-delà de leur fréquence propre.(...) Les appareils à deux masses(...) [lesquels] travaillent au voisinage immédiat de leur fréquence de résonance(...) 2, record 47, French, - transporteur%20vibrant%20%C3%A0%20simple%20masse
Record 47, Spanish
Record 47, Textual support, Spanish
Record 48 - internal organization data 1985-01-15
Record 48, English
Record 48, Subject field(s)
- Chutes, Spouts and Conveyors
Record 48, Main entry term, English
- natural frequency vibrating conveyor
1, record 48, English, natural%20frequency%20vibrating%20conveyor
correct
Record 48, Abbreviations, English
Record 48, Synonyms, English
Record 48, Textual support, English
Record number: 48, Textual support number: 1 DEF
A vibrating conveyor in which the rate of free vibration of the trough on its resilient supports is approximately the same as the rate of vibration induced by the driving mechanism. 1, record 48, English, - natural%20frequency%20vibrating%20conveyor
Record number: 48, Textual support number: 1 CONT
There are two basic types of vibrating conveyors: (1) the natural frequency types (those supported by heavy duty stiff coil or leaf springs), and (2) forced vibration types (those supported by rocker arms or rods pivoted at the trough and at the base connections). 1, record 48, English, - natural%20frequency%20vibrating%20conveyor
Record 48, Key term(s)
- natural frequency vibrating conveyer
Record 48, French
Record 48, Domaine(s)
- Convoyeurs et goulottes (Manutention)
Record 48, Main entry term, French
- transporteur vibrant à deux masses
1, record 48, French, transporteur%20vibrant%20%C3%A0%20deux%20masses
correct, masculine noun
Record 48, Abbreviations, French
Record 48, Synonyms, French
- transporteur vibrant à double masse 2, record 48, French, transporteur%20vibrant%20%C3%A0%20double%20masse
correct, masculine noun
- transporteur vibrant avec masse d’équilibrage 3, record 48, French, transporteur%20vibrant%20avec%20masse%20d%26rsquo%3B%C3%A9quilibrage
correct, masculine noun
Record 48, Textual support, French
Record number: 48, Textual support number: 1 CONT
Le transporteur vibrant [...] On distingue 2 familles d’appareils vibrants : Les appareils à simple masse [...] [qui] travaillent très au-delà de leur fréquence propre. [...] Les appareils à deux masses. Le générateur de vibration est fixé au couloir du transporteur par un système élastique de ressorts ou de tampons en caoutchouc. Ces appareils travaillent au voisinage immédiat de leur fréquence de résonance et bénéficient donc d’une amplification des efforts fournis par le vibrateur. 1, record 48, French, - transporteur%20vibrant%20%C3%A0%20deux%20masses
Record 48, Spanish
Record 48, Textual support, Spanish
Record 49 - internal organization data 1981-01-07
Record 49, English
Record 49, Subject field(s)
- Audio Technology
Record 49, Main entry term, English
- feedback control
1, record 49, English, feedback%20control
correct
Record 49, Abbreviations, English
Record 49, Synonyms, English
- motional feedback 2, record 49, English, motional%20feedback
correct
- MFB 3, record 49, English, MFB
correct
- MFB 3, record 49, English, MFB
Record 49, Textual support, English
Record number: 49, Textual support number: 1 DEF
A type of system control obtained when a portion of the output signal is operated upon and fed back to the input in order to obtain a desired effect. 4, record 49, English, - feedback%20control
Record number: 49, Textual support number: 1 OBS
"Motional feedback" and "MFB" refer specifically to a type of loudspeaker system developed by Philips. 5, record 49, English, - feedback%20control
Record 49, Key term(s)
- motional feedback control
Record 49, French
Record 49, Domaine(s)
- Électroacoustique
Record 49, Main entry term, French
- asservissement
1, record 49, French, asservissement
correct
Record 49, Abbreviations, French
Record 49, Synonyms, French
Record 49, Textual support, French
Record number: 49, Textual support number: 1 DEF
Se dit d’une enceinte acoustique close équipée d’un haut-parleur de grave spécial ayant un capteur sensible aux mouvements de sa membrane. Le capteur renvoie à l'entrée de l'amplificateur de puissance, les signaux produits afin qu'ils soient comparés et corrigés électroniquement. L'asservissement permet de réduire le taux de distorsion, d’abaisser la fréquence de résonance, etc. 1, record 49, French, - asservissement
Record 49, Spanish
Record 49, Textual support, Spanish
Record 50 - internal organization data 1981-01-07
Record 50, English
Record 50, Subject field(s)
- Audio Technology
Record 50, Main entry term, English
- stability
1, record 50, English, stability
correct
Record 50, Abbreviations, English
Record 50, Synonyms, English
Record 50, Textual support, English
Record number: 50, Textual support number: 1 CONT
Stereo imaging [of the Acoustic Research AR9 Speakers] was very satisfactory, the sound-stage being wide and appearing to be slightly behind the line of the units. Lateral stability was excellent, while vertical movements of the head gave only the small and expected shifts due to interference effects. 2, record 50, English, - stability
Record 50, French
Record 50, Domaine(s)
- Électroacoustique
Record 50, Main entry term, French
- stabilité
1, record 50, French, stabilit%C3%A9
correct
Record 50, Abbreviations, French
Record 50, Synonyms, French
Record 50, Textual support, French
Record number: 50, Textual support number: 1 CONT
Les qualités d’une enceinte acoustique sont : le rendement, la définition, la stabilité(rotation de phase), la mise en place(largeur, profondeur) [, ] une absence de traînage, une fréquence de résonance la plus basse possible,(...) 1, record 50, French, - stabilit%C3%A9
Record number: 50, Textual support number: 1 OBS
La stabilité se rapporte à la localisation des instruments, etc., dans l’espace. 2, record 50, French, - stabilit%C3%A9
Record 50, Spanish
Record 50, Textual support, Spanish
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