Search Results - "Umekawa, Toyofumi"

TDLAS-based water vapor monitoring in narrow channels of polymer electrolyte fuel cells using a single-ended fiber-optic sensor by Nishida, Kosuke, Nakauchi, Ryoga, Umekawa, Toyofumi, Kawasaki, Masahiro

“…The dehydration of electrolyte membranes in polymer electrolyte fuel cells (PEFCs) operating under low-humidity conditions is a critical issue for achieving…”
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Measurements of water molecule density by tunable diode laser absorption spectroscopy in dielectric barrier discharges with gas-water interface by Tachibana, Kunihide, Nakamura, Toshihiro, Kawasaki, Mitsuo, Morita, Tatsuo, Umekawa, Toyofumi, Kawasaki, Masahiro

“…We measured water molecule (H2O) density by tunable diode-laser absorption spectroscopy (TDLAS) for applications in dielectric barrier discharges (DBDs) with a…”
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Measurement of regional distribution of atmospheric NO2 and aerosol particles with flashlight long-path optical monitoring by FUQI, Si, KUZE, Hiroaki, KAWASAKI, Masahiro, YOSHII, Yotsumi, NEMOTO, Masaya, TAKEUCHI, Nobuo, KIMURA, Toru, UMEKAWA, Toyofumi, YOSHIDA, Taisaku, HIOKI, Tadashi, TSUTSUI, Tsuyoshi

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Buffer-gas pressure broadening for the (3 0(0) 1)III <-- (0 0 0) band of CO2 measured with continuous-wave cavity ring-down spectroscopy by Nakamichi, Shinji, Kawaguchi, Yoshimitsu, Fukuda, Hisato, Enami, Shinichi, Hashimoto, Satoshi, Kawasaki, Masahiro, Umekawa, Toyofumi, Morino, Isamu, Suto, Hiroshi, Inoue, Gen

“…Buffer-gas pressure broadening for the (3 0(0) 1)(III)<--(0 0 0) band of CO(2) in the 1600 nm region was investigated with continuous wave cavity ring-down…”
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Measurement of Regional Distribution of Atmospheric NO sub(2) and Aerosol Particles with Flashlight Long-Path Optical Monitoring by Fuqi, Si, Kuze, Hiroaki, Yoshii, Yotsumi, Nemoto, Masaya, Takeuchi, Nobuo, Kimura, Toru, Umekawa, Toyofumi

“…The flashlight differential optical absorption spectroscopy technique, which is described, was applied to monitor atmospheric nitrogen dioxide and aerosol…”
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Measurement of regional distribution of atmospheric NO 2 and aerosol particles with flashlight long-path optical monitoring by Fuqi, Si, Kuze, Hiroaki, Yoshii, Yotsumi, Nemoto, Masaya, Takeuchi, Nobuo, Kimura, Toru, Umekawa, Toyofumi, Yoshida, Taisaku, Hioki, Tadashi, Tsutsui, Tsuyoshi, Kawasaki, Masahiro

“…We report on an air-pollution monitoring campaign in the urban Kyoto area conducted during December 2003 and January 2004. The method is based on the…”
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