Articles with "laser photoacoustic" as a keyword



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Laser Photoacoustic Detection of Residual Stresses in Metal Plates with a Hole

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Published in 2019 at "Doklady Physics"

DOI: 10.1134/s1028335819010075

Abstract: The character of variation in a photoacoustic signal around a hole in duralumin samples is studied. The experimental results are compared with the solution of the classical problem for the distribution of stresses around a… read more here.

Keywords: photoacoustic detection; detection residual; residual stresses; laser photoacoustic ... See more keywords
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Ammonia Concentration in Ambient Air in a Peri-Urban Area Using a Laser Photoacoustic Spectroscopy Detector

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Published in 2022 at "Materials"

DOI: 10.3390/ma15093182

Abstract: Measuring ammonia from the environmental air is a sensitive and prioritized issue due to its harmful effects on humans, ecosystems, and climate. Ammonia is an environmental pollutant that has an important role in forming secondary… read more here.

Keywords: ammonia concentration; spectroscopy; air; laser photoacoustic ... See more keywords