About HARAGUCHI Noburo
About National Agricultural Res. Center for Kyushu Okinawa Region, Kumamoto, JPN
About NAKAISHI Katsuya
About Ibaraki Univ., Ibaraki, JPN
About Clay Science
About soil aggregate
About aggregate
About fracture
About Air
About concentration (ratio)
About Bentonite
About kaolinite
About montmorillonite
About wetting (humidity)
About swelling
About dispersion
About slaking
About 電解質濃度
About 捕捉空気
About Soil physics
About 電解質
About 空気調節
About 凝集体
About 破壊過程