About HIRAYAMA OSAMU
About 東京農工大 工
About トライボロジスト
About earthquake
About tribology
About magnitude
About spring-mass system
About computer simulation
About stick-slip
About experimental equipment
About model
About seismic intensity
About experimental result
About Gutenberg-Richter formula
About eaethquake model
About Burridge-Knopoffモデル
About macroseismic map
About Physical properties of earthquake
About Lubrication in general
About 地震
About トライボロジー
About モデル
About シミュレーション
About 実験
About マグニチュード
About 分布