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MICROWAVE CAVITY [6 records]
Record 1 - internal organization data 2015-10-28
Record 1, English
Record 1, Subject field(s)
- Surgery
- Cancers and Oncology
Record 1, Main entry term, English
- deep tissue hyperthermia
1, record 1, English, deep%20tissue%20hyperthermia
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- deep tissue regional hyperthermia 2, record 1, English, deep%20tissue%20regional%20hyperthermia
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Microwave or radiofrequency energy is passed from a device placed on the surface of an organ or body cavity. The energy given off by the device makes heat, which can be used to treat an area that has cancer. Deep tissue regional hyperthermia may be used to treat cervical or bladder cancer. 2, record 1, English, - deep%20tissue%20hyperthermia
Record 1, French
Record 1, Domaine(s)
- Chirurgie
- Cancers et oncologie
Record 1, Main entry term, French
- hyperthermie des tissus profonds
1, record 1, French, hyperthermie%20des%20tissus%20profonds
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L’énergie des micro-ondes ou des fréquences radio est libérée d’un dispositif placé à la surface d’un organe ou d’une cavité du corps. Cette énergie émet de la chaleur, qu’on peut utiliser pour traiter la région atteinte par le cancer. L’hyperthermie des tissus profonds peut permettre de traiter un cancer du col de l’utérus ou de la vessie. 1, record 1, French, - hyperthermie%20des%20tissus%20profonds
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2009-08-03
Record 2, English
Record 2, Subject field(s)
- Lasers and Masers
Record 2, Main entry term, English
- passive hydrogen mazer
1, record 2, English, passive%20hydrogen%20mazer
correct
Record 2, Abbreviations, English
- PHM 2, record 2, English, PHM
correct
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The PHM is an atomic clock with outstanding stability for averaging times from 1 to 100, 000 seconds, to be used in precise positioning, time keeping and other on-boards applications. It is designed to perform in space environment for not less than 12 years. The operating principle exploits the stimulated energy emission occurring during the hyperfine transition of the atomic hydrogen in a miniaturised microwave cavity. The ultra stable RF [Radio Frequency] generated signal, at the frequency of 1420. 4057517.. MHz [megahertz], is used as a reference in a frequency synthesiser to generate the 10 MHz standard reference frequency. 3, record 2, English, - passive%20hydrogen%20mazer
Record number: 2, Textual support number: 1 OBS
The PHM is the most stable spaceborne atomic clock ever developed for an operational programme. The PHM is the master clock for the ESA/EU [European Space Agency/Europe] Galileo Navigation System. 3, record 2, English, - passive%20hydrogen%20mazer
Record 2, Key term(s)
- passive hydrogen maser
Record 2, French
Record 2, Domaine(s)
- Masers et lasers
Record 2, Main entry term, French
- maser à hydrogène passif
1, record 2, French, maser%20%C3%A0%20hydrog%C3%A8ne%20passif
correct, masculine noun
Record 2, Abbreviations, French
- PHM 2, record 2, French, PHM
correct, masculine noun
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
GIOVE-B transporte à son bord deux horloges atomiques au rubidium et un maser à hydrogène passif [PHM], l'horloge atomique la plus précise au monde, toutes trois conçues et réalisées par la société neuchâteloise SpectraTime, filiale du groupe Orolia. Ces horloges constituent la base de temps des satellites, et donc l'élément clé de ce premier système de navigation européen. Elles permettent d'atteindre une stabilité de moins de 10 milliardièmes de secondes par jour. « C'est la première fois qu'un tel maser à hydrogène passif (PHM) est envoyé dans l'espace, et c'est lui qui donnera à Galileo ses performances uniques au monde. Pour donner un point de comparaison, nos horloges sont 10 millions de fois plus précises qu'une montre à quartz » [...] SpectraTime. 2, record 2, French, - maser%20%C3%A0%20hydrog%C3%A8ne%20passif
Record number: 2, Textual support number: 1 OBS
Le second satellite expérimental du système européen de positionnement par satellite Galileo, destiné notamment à tester l'horloge atomique la plus précise jamais placée en orbite à ce jour, a été lancé avec succès le 27 avril 2008 dernier du centre spatial de Baïkonour. Ce satellite de test, baptisé GIOVE-B (Galileo In-Orbit Validation Element) [...] Galileo, premier système européen de navigation et de positionnement par satellite [...] sera compatible avec les deux autres systèmes de navigation par satellite couvrant l'ensemble du globe : le système américain GPS et le système russe Glonass. 2, record 2, French, - maser%20%C3%A0%20hydrog%C3%A8ne%20passif
Record number: 2, Textual support number: 2 OBS
Le maser ("Microwave Amplification by Stimulated Emission of Radiation") à hydrogène est une horloge atomique extrêmement stable basée sur l'atome d'hydrogène. Il a été inventé par Kleppner et Ramsey en 1960 à l'université de Harvard. Le principe de fonctionnement est semblable à celui du LASER sauf que la radiation émise est une radiation micro-onde et non pas optique. Le maser à hydrogène est utilisé principalement en radioastronomie et en géodésie comme horloge pour la synchronisation de radiotélescopes utilisant la technique du VLBI (Very Long Base Interferometry). Il est utilisé également pour la poursuite des sondes planétaires (Deep Space Tracking). Dans le futur, il pourrait être utilisé dans les systèmes de navigation par satellite de type GPS à cause de sa très grande stabilité (cf l'avenir du temps atomique ). 3, record 2, French, - maser%20%C3%A0%20hydrog%C3%A8ne%20passif
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1996-05-13
Record 3, English
Record 3, Subject field(s)
- Analytical Chemistry
Record 3, Main entry term, English
- crystal detector 1, record 3, English, crystal%20detector
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
A simple arrangement of two cavities in series showed the feasibility of detecting traces of one gas in another. A klystron was used to generate microwave power which was fed through a wave guide to a transmission-type cavity. Another cavity was mounted in series with and tuned to the same frequency as the first; both cavities were identical except that the second had a gas inlet and outlet ports. From this measuring cell, its microwave energy was sent to a crystal detector. By frequency-modulating the klystron with a 50-cps sine wave voltage on the repeller, a burst of energy passes to the detector each time the generator frequency equals that of the cavities. The detector current is amplified and measured with an oscilloscope. At the beginning of the run, the two cavities are filled with the nitrogen carrier gas and, if the composition in one of the cavities is changed, its electrical size will change... causing a decrease of current from the detector. 1, record 3, English, - crystal%20detector
Record 3, French
Record 3, Domaine(s)
- Chimie analytique
Record 3, Main entry term, French
- détecteur au cristal
1, record 3, French, d%C3%A9tecteur%20au%20cristal
proposal, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1986-09-19
Record 4, English
Record 4, Subject field(s)
- Cooking Appliances
Record 4, Main entry term, English
- dual-microwave oven
1, record 4, English, dual%2Dmicrowave%20oven
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Dual-microwave ovens direct microwave energy to the food from two different points : in the General Electric from the top and the bottom; in the Litton Moffat from two points in the ceiling of the oven cavity. In this way, their developers hoped to achieve more even energy distribution in every part of the oven cavity(and the food). 1, record 4, English, - dual%2Dmicrowave%20oven
Record 4, French
Record 4, Domaine(s)
- Appareils de cuisson des aliments
Record 4, Main entry term, French
- four à micro-ondes à deux sorties
1, record 4, French, four%20%C3%A0%20micro%2Dondes%20%C3%A0%20deux%20sorties
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- four à ondes jumelles 1, record 4, French, four%20%C3%A0%20ondes%20jumelles
masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Les deux fours à ondes jumelles que nous avons achetés (...) coûtent à peu près le même prix que les fours à micro-ondes réguliers. Les modèles à deux sorties dirigent l'énergie des micro-ondes vers les aliments de deux endroits différents : Les micro-ondes du General Electric venait du sommet et du bas de l'appareil tandis que celles du Litton Moffat arrivaient dans la cavité du four par deux ouvertures dans le sommet. De cette façon, il est à espérer que les ondes pénétreront toutes les parties de la cavité du four (ainsi que les aliments). 1, record 4, French, - four%20%C3%A0%20micro%2Dondes%20%C3%A0%20deux%20sorties
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1986-09-02
Record 5, English
Record 5, Subject field(s)
- Cooking Appliances
Record 5, Main entry term, English
- oven cavity
1, record 5, English, oven%20cavity
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Dual microwave ovens direct microwave energy to the food from two different points... In this way, their developers hoped to achieve more even energy distribution in every part of the oven cavity... 2, record 5, English, - oven%20cavity
Record 5, French
Record 5, Domaine(s)
- Appareils de cuisson des aliments
Record 5, Main entry term, French
- cavité du four
1, record 5, French, cavit%C3%A9%20du%20four
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Les modèles à deux sorties dirigent l'énergie des micro-ondes vers les aliments de deux endroits différents [...] De cette façon, il est à espérer que les ondes pénétreront toutes les parties de la cavité du four [...] 2, record 5, French, - cavit%C3%A9%20du%20four
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1980-10-10
Record 6, English
Record 6, Subject field(s)
- Electronics
Record 6, Main entry term, English
- caviton
1, record 6, English, caviton
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- density cavity 1, record 6, English, density%20cavity
correct
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
The interaction of an intense electromagnetic field with the critical-density layer in a nonuniform plasma is a problem of topical interest in laser-heating and-compression experiments. Microwave experiments in a tenuous plasma have demonstrated resonant enhancement of electric fields at this layer, and a density cavity, or caviton, was observed(...) 1, record 6, English, - caviton
Record number: 6, Textual support number: 1 OBS
Field of plasma studies. 2, record 6, English, - caviton
Record 6, French
Record 6, Domaine(s)
- Électronique
Record 6, Main entry term, French
- caviton
1, record 6, French, caviton
correct
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
[Les ondes et instabilités dans les plasmas] tendent à devenir le langage des plasmas, par lequel on peut rendre compte des phénomènes naturels (magnétosphère, vent solaire et "choc d'étrave"; diffusion et confinement) (...). Un langage en pleine évolution, qui invente des mots nouveaux (les "cavitons", les "collapsons"), emprunte ailleurs des paroles sacrées (turbulence) (...) 2, record 6, French, - caviton
Record number: 6, Textual support number: 1 OBS
Domaine de l'étude des plasmas. 3, record 6, French, - caviton
Record 6, Spanish
Record 6, Textual support, Spanish
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