About CHO AKIO
About 産業技術総合研
About KANEMA TSUYOSHI
About 中村ボーリング
About velocity of elastic wave
About boring core
About frequency (statistics)
About distribution
About wetting (humidity)
About P wave speed
About crack model
About ground pressure the initial stage
About rock pressure
About 検層速度
About rock pressure
About 頻度分布
About Mechanical properties of rocks
About 検層
About コア
About 弾性波速度
About 初期地圧
About 推定法