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PROPAGATION SOUND [2 records]
Record 1 - internal organization data 2004-07-30
Record 1, English
Record 1, Subject field(s)
- Atmospheric Physics
- Acoustics (Physics)
Record 1, Main entry term, English
- sound propagation
1, record 1, English, sound%20propagation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The transmission of sound waves in the atmosphere. 1, record 1, English, - sound%20propagation
Record number: 1, Textual support number: 1 OBS
The speed [of sound waves] in humid air is greater than in dry air. 1, record 1, English, - sound%20propagation
Record 1, Key term(s)
- propagation of sound
- propagation of sound waves
- sound waves propagation
- sound wave propagation
Record 1, French
Record 1, Domaine(s)
- Physique de l'atmosphère
- Acoustique (Physique)
Record 1, Main entry term, French
- propagation du son
1, record 1, French, propagation%20du%20son
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- propagation des ondes sonores 2, record 1, French, propagation%20des%20ondes%20sonores
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Transmission des ondes sonores dans l'atmosphère. 1, record 1, French, - propagation%20du%20son
Record number: 1, Textual support number: 1 CONT
[Le] SODAR [...] mesure [...] la hauteur de l'inversion de température et des profils verticaux du vent qui utilise le principe de la propagation des ondes sonores dans l'atmosphère. 2, record 1, French, - propagation%20du%20son
Record number: 1, Textual support number: 1 OBS
[La] vitesse [des ondes sonores] dans l'air humide est plus grande qu'en air sec. 1, record 1, French, - propagation%20du%20son
Record 1, Key term(s)
- propagation des sons
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física de la atmósfera
- Acústica (Física)
Record 1, Main entry term, Spanish
- propagación del sonido
1, record 1, Spanish, propagaci%C3%B3n%20del%20sonido
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Transmisión de las ondas sonoras en la atmósfera. 1, record 1, Spanish, - propagaci%C3%B3n%20del%20sonido
Record number: 1, Textual support number: 1 OBS
[La] velocidad [de las ondas sonoras] en el aire húmedo es mayor que en el aire seco. 1, record 1, Spanish, - propagaci%C3%B3n%20del%20sonido
Record 2 - internal organization data 1999-10-18
Record 2, English
Record 2, Subject field(s)
- Acoustics (Physics)
Record 2, Main entry term, English
- sound propagation
1, record 2, English, sound%20propagation
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- propagation of sound 2, record 2, English, propagation%20of%20sound
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Origination and transmission of sound energy. 1, record 2, English, - sound%20propagation
Record number: 2, Textual support number: 1 CONT
... Pierre Gassendi ... attributed the propagation of sound to the emission and transfer of a stream of very small, invisible particles, which, after moving through the air, are able somehow to affect the ear. 3, record 2, English, - sound%20propagation
Record 2, French
Record 2, Domaine(s)
- Acoustique (Physique)
Record 2, Main entry term, French
- propagation des sons
1, record 2, French, propagation%20des%20sons
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- propagation du son 2, record 2, French, propagation%20du%20son
correct, feminine noun
- propagation sonore 1, record 2, French, propagation%20sonore
correct, feminine noun
- propagation acoustique 1, record 2, French, propagation%20acoustique
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La propagation du son doit se faire dans un milieu élastique : un gaz (l'air), un liquide (l'eau) ou un solide (un rail de chemin de fer). Il n'y a pas de propagation possible du son dans le vide. Un milieu est dit élastique lorsqu'il est capable de se déformer pour encaisser un choc ou laisser passer une onde, puis de reprendre son état initial [...] La propagation du son ne consiste pas en un déplacement de matière, mais en une perturbation qui, elle, se déplace à travers la matière. En effet, les molécules déplacées retrouvent toujours leur place après le passage de la perturbation. Ceci est dû à l'élasticité du milieu [...] Empiriquement, la propagation du son diminue avec la distance. Ceci est dû à l'amortissement du système : l'air oppose une résistance au son, comme il oppose une résistance aux corps qui le traversent. Il en est de même d'autres fluides comme l'eau. C'est cette résistance qui entraîne la diminution du volume sonore avec la distance, puis la disparition complète du son. 3, record 2, French, - propagation%20des%20sons
Record 2, Spanish
Record 2, Textual support, Spanish
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