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- W2359076287 abstract "Based on the analysis of the near infrared spectral absorption of methane in HITRAN Database, A 1651 nm Laser Diode is used as a light source. A novel methane gas-sensitive sensor Near-infrared Photoacoustic Spectroscopy is developed by using the combination of single-chip computer AT89C52, A/D transform circuit, communication circuit, display circuit, Canmengou monitoring circuit, etc. The concentration of methane can be monitored and displayed on the screen. A sensitivity of 1460 ppm/m has been achieved with this instrument. It also has the function of the sounding the alarm bell and communication. The study shows that the stability and the sensitivity of the sensor have been greatly improved. It is possessed of wide application in the areas of monitoring of coal mine gas, atmosphere environment, leakage of natural gas." @default.
- W2359076287 created "2016-06-24" @default.
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- W2359076287 date "2008-01-01" @default.
- W2359076287 modified "2023-09-26" @default.
- W2359076287 title "Design of Photoacoustic Spectroscopy Based on single-chip computer" @default.
- W2359076287 hasPublicationYear "2008" @default.
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