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PHOTOACOUSTIC SPECTROSCOPY [1 record]
Record 1 - internal organization data 2007-03-27
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Acoustics (Physics)
- Analytical Chemistry
Record 1, Main entry term, English
- photoacoustic spectroscopy
1, record 1, English, photoacoustic%20spectroscopy
correct
Record 1, Abbreviations, English
- PAS 1, record 1, English, PAS
correct
Record 1, Synonyms, English
- photo-acoustic spectroscopy 2, record 1, English, photo%2Dacoustic%20spectroscopy
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The study of the non-radiative de-excitation processes which take place after samples have absorbed radiation and the release of this absorbed energy by thermal transfer ... producing an acoustic signal which can be detected and measured. 1, record 1, English, - photoacoustic%20spectroscopy
Record number: 1, Textual support number: 1 CONT
CANMET scientists characterized coal samples using Fourier transform infrared spectroscopy and surface techniques such as photo-acoustic and diffuse reflectance spectroscopies. 2, record 1, English, - photoacoustic%20spectroscopy
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Acoustique (Physique)
- Chimie analytique
Record 1, Main entry term, French
- spectroscopie photo-acoustique
1, record 1, French, spectroscopie%20photo%2Dacoustique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
En spectroscopie photo-acoustique, l'échantillon est placé dans une cellule remplie de gaz où est situé un microphone. L'échantillon est irradié par le faisceau laser continu [...] Le microphone va détecter le changement de pression du gaz lié à la variation de température causée par l'échauffement périodique de l'échantillon avec lequel il est en contact. 2, record 1, French, - spectroscopie%20photo%2Dacoustique
Record number: 1, Textual support number: 2 CONT
Les chercheurs du CANMET ont caractérisé des échantillons de charbon en utilisant la spectroscopie infrarouge à transformer de Fourier ainsi que des techniques de mesures superficielles comme la spectroscopie photo-acoustique et la spectroscopie de réflectance diffuse. 3, record 1, French, - spectroscopie%20photo%2Dacoustique
Record 1, Spanish
Record 1, Textual support, Spanish
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