Search Results - "Izumi, Katsuyuki"

Colorimetric NOx sensor based on a porous glass-based NO2 sensing chip and a permanganate oxidizer by Izumi, Katsuyuki, Utiyama, Masahiro, Maruo, Yasuko Y.

“…•The new NOx sensor is composed of a NO2 sensing chip and a permanganate oxidizer.•The oxidizer based on porous glass (PG) is sufficiently active to convert NO…”
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Estimates of ratios of anthropogenic halocarbon emissions from Japan based on aircraft monitoring over Sagami Bay, Japan by Yokouchi, Yoko, Inagaki, Toshiharu, Yazawa, Kenji, Tamaru, Takashi, Enomoto, Takateru, Izumi, Katsuyuki

“…Regional‐ and national‐scale emission rates of halocarbons have been a great concern in the field of global environmental studies and policy making. Emissions…”
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A porous glass-based KI/α-CD chip for ozone sensing: Improvement in the humidity response of the chip through optimizing reagent concentrations in the impregnation process by Izumi, Katsuyuki, Utiyama, Masahiro, Maruo, Yasuko Y.

“…•The performance of a porous glass-based O3 sensing chip has been improved.•This chemical chip is impregnated with potassium iodide and α-cyclodextrin.•The…”
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A porous glass-based ozone sensing chip impregnated with potassium iodide and α-cyclodextrin by Izumi, Katsuyuki, Utiyama, Masahiro, Maruo, Yasuko Y.

“…•A porous glass-based chip for passive O3 sensing has been fabricated.•The chemical chip is impregnated with potassium iodide and α-cyclodextrin.•Absorbance of…”
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A porous glass-based KI/a-CD chip for ozone sensing: Improvement in the humidity response of the chip through optimizing reagent concentrations in the impregnation process by Izumi, Katsuyuki, Utiyama, Masahiro, Maruo, Yasuko Y

“…To improve the performance of our previously-reported KI/α-CD ozone sensing chip, the present work carried out a series of experiments based on exposing these…”
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A porous glass-based ozone sensing chip impregnated with potassium iodide and a-cyclodextrin by Izumi, Katsuyuki, Utiyama, Masahiro, Maruo, Yasuko Y

“…A chemical sensing chip for gaseous ozone (O3) has been fabricated by impregnating a porous glass sheet (8 mm square and 1 mm thick) with potassium iodide (KI)…”
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Formation and deposition of ozone in a red pine forest by UTIYAMA, Masahiro, FUKUYAMA, Tsutomu, MARUO, Yasuko Yamada, ICHINO, Toshihiro, IZUMI, Katsuyuki, HARA, Hiroshi, TAKANO, Kenichi, SUZUKI, Haruko, AOKI, Masatoshi

“…Concentrations of ozone and nitrogen oxides, together with air temperature and solar radiation intensity, were measured at several heights on a tower standing…”
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Development of formaldehyde sensing element using porous glass impregnated with Schiff's reagent by Maruo, Yasuko Yamada, Nakamura, Jiro, Uchiyama, Masahiro, Higuchi, Masanori, Izumi, Katsuyuki

“…We developed a sensor element for detecting formaldehyde. The sensor element was made of a porous glass impregnated with both a Schiff's reagent and an acid…”
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Aerosol formation by the photooxidation of cyclohexene in the presence of nitrogen oxides by Izumi, Katsuyuki, Murano, Kentaro, Mizuochi, Motoyuki, Fukuyama, Tsutomu

“…Photochemical aerosol formation from cyclohexene (C sub(6)H sub(10)) was studied in a ppm concentration range in the presence of nitrogen oxides. It was found…”
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Estimates of ratios of anthropogenic halocarbon emissions from Japan based on aircraft monitoring over Sagami Bay, Japan by YOKOUCHI, Yoko, INAGAKI, Toshiharu, YAZAWA, Kenji, TAMARU, Takashi, ENOMOTO, Takateru, IZUMI, Katsuyuki

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EXPERIMENTAL AND THEORETICAL ANALYSIS OF MECHANICAL COATING PROCESS OF PARTICLES WITH THE THETA COMPOSER by ENDOH, SHIGEHISA, SZEPVOLGYI, JANOS, IZUMI, KATSUYUKI, HOTTA, TADASHI, NAITO, MAKIO

“…Studies were carried out on coating glass beads with fine hematite particles by use of the theta composer, a newly developed high-shearing-type mixer. Topics…”
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Mineral Particles in Cloud Droplets Produced in an Artificial Cloud Experimental System (ACES) by Yamagata, Sadamu, Takeshi, Kuroda, Takehiko, Zaima, Naoto, Murao, Sachio, Ohta, Yasushi, Fujiyoshi, Toshio, Harimaya, Tadashi, Yamada, Katsuyuki, Izumi, Tsutomu, Fukuyama, Masahiro, Utiyama

“…An instrument that collects cloud droplets one by one was designed to measure the fraction of cloud droplets containing mineral particles. Sampling was…”
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Evaluation of air quality with simple and easy chemical sensors: Development of porous glass-based elements by Izumi, K., Utiyama, M., Maruo, Y.Y.

“…The authors are tackling the development of novel chemical sensor elements for detecting air pollutants. The base material of the sensor elements is porous…”
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Interferences of various gases on porous glass-based formaldehyde sensors by Tokumitsu, S., Izumi, K., Utiyama, M., Maruo, Y.Y.

“…In order to examine the influences of various gases on sensor elements developed recently for the detection of gaseous formaldehyde, experiments were made in…”
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Redetermination of the rate constant for the reaction of HO radicals with SO2 by IZUMI, K, MIZUOCHI, M, YOSHIOTA, M, MURANO, K, FUKUYAMA, T

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Dimer concentrations in supersonic molecular beams of argon and carbon dioxide by Ozaki, Yasushi, Murano, Kentaro, Izumi, Katsuyuki, Fukuyama, Tsutomu

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Redetermination of the rate constant for the reaction of hydroxyl radicals with sulfur dioxide by Izumi, Katsuyuki, Mizuochi, Motoyuki, Yoshioka, Masao, Murano, Kentaro, Fukuyama, Tsutomu

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Dimer concentrations in supersonic molecular beams of Ar and CO2 by OZAKI, Y, MURANO, K, IZUMI, K, FUKUYAMA, T

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