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EMISSION SPECTRA [1 record]
Record 1 - internal organization data 2003-07-31
Record 1, English
Record 1, Subject field(s)
- Physics
- Optics
- Meteorology
Record 1, Main entry term, English
- emission spectrum
1, record 1, English, emission%20spectrum
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The array of individual emission lines, or line clusters, of different wavelengths emitted by atoms or molecules under certain conditions and specific for each substance. 2, record 1, English, - emission%20spectrum
Record number: 1, Textual support number: 1 CONT
The Emission Spectrum: When we excite an atom, we find that it gives off (emits) only certain colors of light. ... the position and colors of the absorption spectrum line up with those of the emission spectrum. This means that the colors of light emitted by an atom are the same colors that can be absorbed by that atom. 3, record 1, English, - emission%20spectrum
Record number: 1, Textual support number: 2 CONT
There are two types of emission spectra: continuous spectrum, line spectrum. 4, record 1, English, - emission%20spectrum
Record number: 1, Textual support number: 1 OBS
Liquids and solids also produce a continuum of wavelengths. 2, record 1, English, - emission%20spectrum
Record 1, Key term(s)
- emission spectra
- spectrum of emission
Record 1, French
Record 1, Domaine(s)
- Physique
- Optique
- Météorologie
Record 1, Main entry term, French
- spectre d'émission
1, record 1, French, spectre%20d%27%C3%A9mission
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Ensemble des raies d'émission isolées, ou de groupes de raies, de différentes longueurs d'onde émises par les atomes ou molécules dans certaines conditions et caractéristiques de chaque substance. 2, record 1, French, - spectre%20d%27%C3%A9mission
Record number: 1, Textual support number: 1 CONT
Spectre d'émission et d'absorption. Une étoile émet de la lumière sous différentes formes d'énergies. Cette lumière est recueillie, décomposée en plusieurs bandes d'énergies, et constitue le spectre d'émission de l'étoile. Mais pour nous parvenir, la lumière doit traverser [...] des nuages de gaz, et va alors rencontrer des atomes qui vont absorber des photons d'énergie précise et les renvoyer dans une autre direction. On remarque donc que des bandes d'énergies appelées «raie» manquent. Effectivement, les photons qui ont été absorbés ne sont pas parvenus dans le spectrographe et l'on peut en déduire la nature des composants chimiques du nuage de gaz car chaque atome absorbe des énergies bien déterminées. Ce nouveau spectre est le spectre d'absorption du nuage de gaz. Grâce au spectre de l'étoile, on peut définir la nature de ses éléments chimiques, sa température, et sa vitesse. 3, record 1, French, - spectre%20d%27%C3%A9mission
Record number: 1, Textual support number: 1 OBS
Liquides et solides produisent aussi un spectre continu. 2, record 1, French, - spectre%20d%27%C3%A9mission
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física
- Óptica
- Meteorología
Record 1, Main entry term, Spanish
- espectro de emisión
1, record 1, Spanish, espectro%20de%20emisi%C3%B3n
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Conjunto de rayas de emisión aisladas, o de conglomerados de rayas, de distintas longitudes de onda emitidos por átomos o moléculas en ciertas condiciones y específicos de cada sustancia. 1, record 1, Spanish, - espectro%20de%20emisi%C3%B3n
Record number: 1, Textual support number: 1 OBS
Los líquidos y sólidos también producen un espectro continuo. 1, record 1, Spanish, - espectro%20de%20emisi%C3%B3n
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