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FREQUENCE ELEMENTAIRE [4 records]
Record 1 - external organization data 2014-10-30
Record 1, English
Record 1, Subject field(s)
- Compartment - Canadian Nuclear Safety Commission
- Atomic Physics
- Electrical Engineering
Record 1, Main entry term, English
- photon
1, record 1, English, photon
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- light quantum 2, record 1, English, light%20quantum
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A discrete quantity of electromagnetic energy. 3, record 1, English, - photon
Record number: 1, Textual support number: 1 CONT
Photons have momentum but no mass or electrical charge. 3, record 1, English, - photon
Record number: 1, Textual support number: 2 CONT
In the quantum theory a light signal cannot be sub-divided indefinitely, but consists of finite units, so-called light quanta, or "photons", each carrying an amount of energy proportional to the frequency of the light wave of which they form part. 4, record 1, English, - photon
Record 1, French
Record 1, Domaine(s)
- Tiroir - Commission canadienne de sûreté nucléaire
- Physique atomique
- Électrotechnique
Record 1, Main entry term, French
- photon
1, record 1, French, photon
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- quantum 2, record 1, French, quantum
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Quantité élémentaire d’énergie rayonnante(quantum) dont la valeur est égale au produit de la fréquence du rayonnement électromagnétique par la constante de Planck. 3, record 1, French, - photon
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2009-09-17
Record 2, English
Record 2, Subject field(s)
- Measurements of Electricity
Record 2, Main entry term, English
- elementary frequency
1, record 2, English, elementary%20frequency
correct, standardized
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
elementary frequency: term standardized by the International Electrotechnical Commission (IEC). 2, record 2, English, - elementary%20frequency
Record 2, French
Record 2, Domaine(s)
- Mesures de grandeurs électriques
Record 2, Main entry term, French
- fréquence élémentaire
1, record 2, French, fr%C3%A9quence%20%C3%A9l%C3%A9mentaire
correct, feminine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
fréquence élémentaire : terme normalisés par la Commission électrotechnique internationale(CEI). 2, record 2, French, - fr%C3%A9quence%20%C3%A9l%C3%A9mentaire
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1998-12-22
Record 3, English
Record 3, Subject field(s)
- Acoustics (Physics)
- Audio Technology
Record 3, Main entry term, English
- pressure-spectrum level
1, record 3, English, pressure%2Dspectrum%20level
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
... the specification in decibels, as a function of frequency, of the sound-pressure level for a frequency bandwidth of 1 hertz (Hz). 1, record 3, English, - pressure%2Dspectrum%20level
Record 3, French
Record 3, Domaine(s)
- Acoustique (Physique)
- Électroacoustique
Record 3, Main entry term, French
- niveau spectral élémentaire de pression acoustique
1, record 3, French, niveau%20spectral%20%C3%A9l%C3%A9mentaire%20de%20pression%20acoustique
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Niveau spectral élémentaire de pression acoustique pour une fréquence déterminée : niveau de pression acoustique dans une bande ayant un hertz de largeur, centrée sur la fréquence spécifiée. [Définition reproduite avec l'autorisation de l'AFNOR. ] 1, record 3, French, - niveau%20spectral%20%C3%A9l%C3%A9mentaire%20de%20pression%20acoustique
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1989-11-15
Record 4, English
Record 4, Subject field(s)
- Physics of Solids
- Scientific Instruments
Record 4, Main entry term, English
- spark source
1, record 4, English, spark%20source
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
... ion sources fall into three major categories: ... for positive-ion generation, ... for negative ion generation, and a highly specialized type of source designed to produce a polarized ion beam.... The principal methods of positive-ion formation are electron impact, surface ionization, spark discharge ... [in this Patter technique] a spark is induced between two electrodes, one of which, at least, contains the element to be ionized ... the spark consists of a high density, high-temperature plasma from which ions can be extracted. 2, record 4, English, - spark%20source
Record 4, French
Record 4, Domaine(s)
- Physique des solides
- Instruments scientifiques
Record 4, Main entry term, French
- source à ionisation par étincelles
1, record 4, French, source%20%C3%A0%20ionisation%20par%20%C3%A9tincelles
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- source à étincelles 1, record 4, French, source%20%C3%A0%20%C3%A9tincelles
correct, feminine noun
- source d’ions à étincelles 1, record 4, French, source%20d%26rsquo%3Bions%20%C3%A0%20%C3%A9tincelles
correct, feminine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
L'ionisation par étincelles est utilisée pour l'analyse élémentaire des solides minéraux conducteurs de l'électricité ou rendus tels. Avec le matériau dont on veut connaître la composition, on réalise [...] deux électrodes [...] reliées, sous vide, aux bornes d’un générateur haute fréquence [...] et haute tension [...] Lorsque la distance inter-électrodes [...] diminue, des claquages apparaissent; ils produisent [...] un grand nombre d’ions mono et polychargés [...] Ces ions sont accélérés et dirigés vers un spectromètre; [...] 1, record 4, French, - source%20%C3%A0%20ionisation%20par%20%C3%A9tincelles
Record 4, Spanish
Record 4, Textual support, Spanish
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