Robust and compact light-induced thermoelastic sensor for atmospheric methane detection based on a vacuum-sealed subminiature tuning fork.

Photoacoustics · 2025 · PMC11815697 · PMID 39944351

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an increasing trendno p-value reported

The average diurnal cycle of CH 4 concentrations showed an increasing trend from dusk to early morning, reaching a maximum of 2.93 ± 0.29 ppm.

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