Faculty Profiles - NAMBA Kazuhiko

MISC - NAMBA Kazuhiko

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Next SAR specification at terrestrial ecosystem observation -Kojima reclaimed land observation project of various SAR-

ISHITSUKA Naoki, SAITO Genya, OGAWA Shigeo, OUCHI Kazuo, MOURI Kentaro, SHIOMI Jun, NANBA Kazuhiko, URATSUKA Seiho, SATAKE Makoto, NADAI Akitsugu, UMEHARA Toshihiko, KAZUKI Noboru

27 155 - 158 1999.11

SARデータによる農地の判読とALOS/SARの利用計画農業関連利用と関連研究 (資源協会地球科学技術推進機構S)

斎藤元也, 石塚直樹, 浦塚清峰, 梅原俊彦, 毛利建太郎, 難波和彦, 森山隆, 大内和夫, 香月昇

ALOS/PALSAR CRL&NASDA/PI-SARワークショップ報告書平成11年 1999

Solar Energy Required and Predicted in Okayama and Giza(Egypt)

Elbatawi Ibrahim E. A., Mohri Kentaro, Elbatawi I.E.A.

Scientific reports of the Faculty of Agriculture, Okayama University ( 87 ) 187 - 193 1998.2

Language：English

Egypt as a developed country still has no electricity in many villages but at the same time has enough natural energy such as solar energy. Solar radiation data is not always available in many areas of the world and they have to be estimated using some sort of empirical model. The results of this prediction are compared for the measured data of two different countries: Japan (Okayama City) and Egypt (Giza City). The comparison shows an acceptable level of prediction between both of them. On a June day, actual accumulated insolation through one day was 18.88 MJ/m2 in Okayama and 22.79 MJ/m2 in Giza. On the other hand on a January day, actual accumulated insolation through one day was 4.93 MJ/m2 in Okayama and 5.49 MJ/m2 in Giza. We can see also that in January the worst solar month, solar water heaters still provide 35.25% of the energy for Okayama and 40.37% for Giza, That was because in Okayama the number of sunny days was only 6 but there were 19 in Giza.

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Other Link： http://ousar.lib.okayama-u.ac.jp/11116

Studies on Heat Transfer in Agricultural Products by Far-infrared Ray

Liu Houqing, Mohri Kentaro, Namba Kazuhiko

Scientific reports of the Faculty of Agriculture, Okayama University ( 87 ) 175 - 180 1998.2

Language：Japanese

Heat is transferred when the objected has temperature differences. In this research, the difference of two heating methods (far-infrared ray heating and hot wind heating) was analyzed. To compare their differences, the heat flux was measured by setting a heat flux meter beneath the surface of the object at different depths, then the heat conductivities and heat diffusion rates were analyzed. 1. Compared with hot wind, far-infrared ray heating has more heat flux before reaching a definite depth. 2. The heat conductivity and heat diffusion ratesby hot wind heating have specific properties with special objects. The heat conductivity and heat diffusion rate of far-infrared heating are higher than those of hot wind heating. The differences are considered to be caused by far-infrared rays.

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Other Link： http://ousar.lib.okayama-u.ac.jp/11113

Bruise Detection Using Complexity for Oorin Apples

CHEN Y. B., Mohri Kentaro, Namba Kazuhiko

Scientific Reports of the Faculty of Agriculture Okayama University ( 87 ) 181 - 186 1998.2

Language：English

The complexity of binary image for apples as normal, bruised around centerbruised around edge, and bruised around both edge and center were analyzed. Amulti-threshold method (thresholds determined by area rates 0.3,0.4,...0.7 for complexity rates analysis) was used successfully for bruise classification. Leaving out apples with bruising around the edge, apples were classified 85.7% correctly.

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Other Link： http://ousar.lib.okayama-u.ac.jp/11115

Effects of sound field on plant vital reactions. Temporal changes of stomatal aperture on various sound stimuli.

難波和彦, 平松康平, 毛利建太郎

農業機械学会年次大会講演要旨 57th 1998

Monitoring of Plant Stoma Using Microscopic Image.

難波和彦

生体システムを利用した植物生産工学に関する研究平成7-9年度 No.07306012 1998

Effect of sound stimulation on plant stomatal aperture degrees.

平松康平, 毛利建太郎, 難波和彦

農業機械学会年次大会講演要旨 56th 1997

Research on drying of agricultural products by far infrared ray. Heat permeability of far infrared ray.

劉厚清, 毛利建太郎, 難波和彦, 李勇

農業機械学会年次大会講演要旨 56th 1997

Measurement of Magnetic Field : Measuring Method and Effect on Plant Growth of Magnetic Field

NAMBA Kazuhiko

JOURNAL of the JAPANESE SOCIETY of AGRICULTURAL MACHINERY 58 ( 5 ) 96 - 98 1996.9

Effect of Alternating Magnetic Field on Plant Growth

Nanba Kazuhiko

Scientific reports of the Faculty of Agriculture, Okayama University ( 85 ) 115 - 117 1996.2

Language：Japanese

This paper describes the effect of alternating magnetic fields on plant germination. Experiments were conducted utilizing various frequencies and two states of polarity.Electromagnetic coils were used to generate the fields and 'Komatsuna' plants were chosen as subjects. The frequency was varied from 1 to 1000 Hz,at a fixed intensity of 5 Gauss. The magnetic polarity was controlled by reversing the current direction. Measured parameter was the germination rate. The results indicated that magnetic fields do influence plant germination, and that frequency of the fields is a more important factor in germination rates than polarity. Maximum germination rates,which were 20% higher than control rates,were obtained at around 10 Hz.

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Other Link： http://ousar.lib.okayama-u.ac.jp/11146

Research on drying of agricultural products by far infrared radiation. (2 ). Drying test on a few agricultural products.

毛利建太郎, 難波和彦, 劉厚清

日本農業気象学会全国大会日本生物環境調節学会大会合同大会講演要旨 1995-33rd 1995

磁気の植物に与える影響 (第2報) 低周波パルス状印加磁場のコマツナ種子発芽に与える影響

難波和彦, 毛利建太郎, 笹尾彰, 渋沢栄

農業機械学会年次大会講演要旨 54th 1995

磁気の植物に与える影響パルス状磁場の印加について

難波和彦, 笹尾彰, 渋沢栄

農業機械学会関東支部年次報告 29th 1993

磁気の植物に与える影響 (第1報) パルス状磁場の印加について

笹尾彰, 難波和彦

農業機械学会年次大会講演要旨 52nd 1993

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