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Dive into the research topics where Yoshio Iwai is active.

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Featured researches published by Yoshio Iwai.


Archive | 1992

Fluorinating catalyst and method for fluorinating halogenated hydrocarbon

Yoshio Iwai; Satoru Koyama; Takashi Shibanuma; 哲 小山; 義雄 岩井; 俊 柴沼


Archive | 1995

Method for preparing fluorination catalyst used to fluorinate halogenated hydrocarbons

Takashi Shibanuma; Yoshio Iwai; Satoshi Koyama


Archive | 1993

Fluorination catalyst and process for fluorinating halogenated hydrocarbon

Takashi Shibanuma; Yoshio Iwai; Satoshi Koyama


Archive | 1999

Shield machine and excavation control system

Yasuhiko Asai; Yoshio Iwai; Konosuke Nakamura; Yuji Sakuma; Yoshiharu Shimizu; Toshio Suzuki; Masatake Yasumoto; Suguru Yoshida; 幸之助 中村; 裕治 佐久間; 英 吉田; 匡剛 安本; 義雄 岩井; 康彦 浅井; 義治 清水; 俊夫 鈴木


Archive | 1999

Slurry improving and dewatering system

Yasuhiko Asai; Yoshio Iwai; Konosuke Nakamura; Satoshi Tabata; Akio Uraya; Masaru Yasukochi; Masatake Yasumoto; 幸之助 中村; 匡剛 安本; 勝 安河内; 義雄 岩井; 康彦 浅井; 昭夫 浦矢; 覚士 田畑


Archive | 1998

Measuring device for nature of muddy water and cyclone device control system for use in muddy water construction method

Yasuhiko Asai; Takahisa Endou; Masakazu Hirose; Yoshio Iwai; Satoshi Tabata; Akio Uraya; Masaru Yasukochi; Masatake Yasumoto; 匡剛 安本; 勝 安河内; 義雄 岩井; 雅一 廣瀬; 康彦 浅井; 昭夫 浦矢; 覚士 田畑; 琢央 遠藤


Archive | 1995

SHAFT FOR SHIELD MACHINE START AND ARRIVAL, AND START AND ARRIVAL METHOD FOR THE MACHINE

Yasuhiko Asai; Yoshio Iwai; Iku Sato; Masatake Yasumoto; 郁 佐藤; 匡剛 安本; 義雄 岩井; 康彦 浅井


Archive | 1995

Method and apparatus for measuring size of solid in mixture fluid of solid and liquid

Yoshio Iwai; Toshimitsu Nozu; Iku Sato; Masatake Yasumoto; 郁 佐藤; 匡剛 安本; 義雄 岩井; 俊光 野津


Archive | 2005

Recovered solid material conveying system and conveying method in shield machine

Yoshio Iwai; Taizo Nakamura; Tsutomu Otsuka; 太三 中村; 努 大塚; 義雄 岩井


Archive | 1992

Chromoxid-Fluorierungskatalysator und Verfahren zur Fluorierung von halogenierten Kohlenwasserstoffen Chromia fluorination catalyst and process for the fluorination of halogenated hydrocarbons

Takashi Shibanuma; Yoshio Iwai; Satoshi Koyama

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