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Kei Nakaji

Kyushu University

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Publication

Featured researches published by Kei Nakaji.

Transactions of the ASABE | 1980

Maturity Evaluation of Bananas by Delayed Light Emission

Yutaka Chuma; Kei Nakaji; Masanobu Ohura

ABSTRACT THE fundamental characteristics of the delayed light emission (DLE) of bananas, such as decay period, dark period, exciting time and illuminance, and fruit temperature were determined, and the changes of DLE due to ripening were investigated. Intensity of DLE had a high correlation with the ripening indices of bananas such as the hue of peel color, sugar content, and firm-ness. Hence, the intensity of DLE proved to be useful as a means of maturity evaluation of bananas.

Transactions of the ASABE | 1977

Delayed Light Emission As a Means of Automatic Selection of Satsuma Oranges

Yutaka Chuma; Kyaw Sein; Sumio Kawano; Kei Nakaji

ABSTRACT CONDITIONS effecting the delayed light emission (DLE) intensity were investigated for the Satsuma orange. DLE intensity indices were established for the fruit conditions such as peel temperature, chlorophyll con-tent, peel treatment in the packing house line (such as brushing or waxing), and correlated to the storage period for the purpose of providing an automatic mechanization of selecting process.

Journal of The Faculty of Agriculture Kyushu University | 2008

Development of an intelligent robot for an agricultural production ecosystem - new concept of robot and dynamics of a golden apple snail in paddy.

Alejandro Isabel Luna Maldonado; Kei Nakaji

Journal of The Faculty of Agriculture Kyushu University | 2008

Development of an Intelligent Robot for an Agricultural Production Ecosystem (II) : Modeling of the Competition between Rice Plants and Weeds

Alejandro Isabel Luna Maldonado; Yusuke Yamaguchi; Midori Tuda; Kei Nakaji

Journal of The Faculty of Agriculture Kyushu University | 2008

Development of an intelligent robot for an agricultural production ecosystem (III) - Modeling of the predation of rice plants and weeds by golden apple snail -

Alejandro Isabel Luna Maldonado; Yusuke Yamaguchi; Midori Tuda; Kei Nakaji

Journal of The Faculty of Agriculture Kyushu University | 2009

Development of an intelligent robot for an agricultural production ecosystem (IV): Experiments on growth and competition of rice plants against weeds.

Alejandro Isabel Luna Maldonado; Yusuke Yamaguchi; Kei Nakaji

Journal of The Faculty of Agriculture Kyushu University | 2011

Development of a Web-Based Greenhouse Monitoring System Using a Field Server

Kang Oh Lee; Yeonghwan Bae; Minsug Oh; Kei Nakaji; 敬 中司

Journal of The Faculty of Agriculture Kyushu University | 2010

Construction and Management Status of Agri-Food Safety Information System of Korea

Kang Oh Lee; Yeonghwan Bae; Kei Nakaji; 敬 中司

Journal of The Faculty of Agriculture Kyushu University | 2009

Development of an Intelligent Robot for an Agricultural Production Ecosystem (V) - Experiments on Predation of Paddy by Golden Apple Snails -

Alejandro Isabel Luna Maldonado; Yusuke Yamaguchi; Kei Nakaji

Journal of The Faculty of Agriculture Kyushu University | 1982

Delayed Light Emission as a Means of Automatic Sorting of Tomatoes

Yutaka Chuma; Kei Nakaji; Akio Tagawa; 豊 中馬; 敬 中司; 彰男 田川

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敬 中司

Kyushu University

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Alejandro Isabel Luna Maldonado

Kyushu University

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Yusuke Yamaguchi

Kyushu University

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Yutaka Chuma

Kyushu University

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Jun Sakai

Kyushu University

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Jiaolong Liu

Kyushu University

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Kang Oh Lee

Kyushu University

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Toshitaka Uchino

Kyushu University

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Yeonghwan Bae

Sunchon National University

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Cheng Zou

Kyushu University

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