About MUTO JUN
About 東北大 大学院理学研究科
About NAGAHAMA HIROYUKI
About 東北大 大学院理学研究科
About MIURA TAKASHI
About ARAKAWA ICHIRO
About sliding friction
About rock
About phenomenon
About earthquake
About light emission
About 大気発光
About Electromagnetic Phenomena
About 放電発光
About Radiation,atmospheric optics
About 地震
About 大気
About 岩石
About すべり摩擦
About 放電
About 地震前兆
About 電磁気現象