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Dive into the research topics where Hiromi Izumi is active.

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Featured researches published by Hiromi Izumi.


Journal of Terramechanics | 1991

A measurement of basic mechanical quantities of off-the-road traveling performance☆

Y. Nohse; Kouichi Hashiguchi; Masami Ueno; T. Shikanai; Hiromi Izumi; F. Koyama

Abstract A new test apparatus was developed for the precise measurement of mechanical properties related to the traveling performance of off-road vehicles. In particular the apparatus is capable of performing the experiment under the condition of constant contact load between the wheel and the soil, which most of the existing apparatus do not fulfill satisfactorily, and of measuring the displacement of soil particles beneath the wheel. The test results obtained by the apparatus for a rigid wheel on sand are discussed with some mechanical interpretations.


NIPPON SHOKUHIN KOGYO GAKKAISHI | 1980

Visco-elastic Behavior of Air classified Wheat Flour Dough

Yoshihiro Kohda; Toshimichi Baba; Takayoshi Akinaga; Hiromi Izumi

小麦粉の蛋白質含量を変えて用途を拡大する技法の開発の一環として,空気分級をした小麦粉の粘弾性的挙動を求めた。WW種小麦に内麦30%及び10%を加えた粉を,前者については微粉砕したうえで,それぞれ空気分級して蛋白質含量の異なる5画分を作り,加水量が50%になるように水を加えてドウとし,水平振動位相差法で動的粘弾性を求めたところ,振動数の増大に応じて弾性値も増大し粘性値は減少した。また蛋白質含量が増大すると蛋白質含量の高い範囲では蛋白質含量に応じて粘弾性も増大した。蛋白質含量が少ないときに必ずしも蛋白質含量に比例して粘弾性が増大しない理由として,グリアジンとグルテニンの含量配分の差を生じたか,またグルテンの網目形成に関する脂質の影響の可能性を検討したが,いずれからも明確な結論を得られなかった。空気分級で蛋白質含量を増大させた場合とグルテンを加えて蛋白質含量を増大させた場合の効果を比較したところ,同じ蛋白質含量では空気分級をした粉の方が常に粘弾性が大であった。


Journal of the Japanese Society of Agricultural Machinery | 1967

Bruise and Respiration Characteristics of Citrus Unshiu as Related to Material Handling and In-transit Injury

Yutaka Chuma; Hiromi Izumi; Takahisa Matsuoka


沖縄農業 | 1998

[創立35周年に寄せて]回顧・活性化の足取り

裕巳 泉; Hiromi Izumi


Science bulletin of the Faculty of Agriculture, Kyushu University | 1994

Study on the Traveling Performances of a Rubber Coating Wheel

正実 上野; Masami Ueno; 公一 橋口; Kouichi Hashiguchi; 裕巳 泉; Hiromi Izumi; 春樹 後藤; Haruki Gotou; 行則 能勢; Yukinori Nohse; 健志 鹿内; Takeshi Shikanai


Science bulletin of the Faculty of Agriculture, Kyushu University | 1993

Development of an Analyzing System for Soil Deformation beneath a Traveling Wheel

正実 上野; Masami Ueno; 公一 橋口; Kouichi Hashiguchi; 裕巳 泉; Hiromi Izumi; 春樹 後藤; Haruki Gotou; 行則 能勢; Yukinori Nose; 健志 鹿内; Kenshi Shikanai


南方資源利用技術研究会誌 = Journal of the society tropical resources technologists | 1988

[報文]ギンネムのバイオマスエネルギー化に関する基礎研究(第1報)

裕巳 泉; 正実 上野; Hiromi Izumi; Masami Ueno; 琉球大学農業工学科


Journal of Terramechanics | 1984

Effect of soil dressing on heavy clay farmland in Okinawa

Hiromi Izumi; Masami Ueno


琉球大学農学部学術報告 = The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus | 1982

小麦粉ドウの熱レオロジー的挙動 : ドウの動的粘弾性の一般化(農業工学科)

佳弘 國府田; 宏樹 山本; 孝義 秋永; 裕巳 泉; 正実 上野; Yoshihiro Kohda; Hiroki Yamamoto; Takayoshi Akinaga; Hiromi Izumi; Masami Ueno


Journal of the Japanese Society of Agricultural Machinery | 1982

Multipurpose Sorter for Fruits and Vegetables Produced in Okinawa

Takayoshi Akinaga; Yoshihiro Kohda; Hiromi Izumi; Masami Ueno

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Masami Ueno

University of the Ryukyus

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Yoshihiro Kohda

University of the Ryukyus

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裕巳 泉

University of the Ryukyus

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春樹 後藤

University of the Ryukyus

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