11:45 AM - 12:00 PM
*Hiroto NISHIYAMA1, Akira HAYASHIDA2, Yoshihiro SAWADA3, Tohru DANHARA4, Shigenori KAWANO5 (1.Sci. Environ. Math. Model., Grad. Sci.&Engi., 2.Dept. Environ. Sys. Sci., Doshisha Univ., 3.Shimane University, 4.Kyoto Fission-Track Co., Ltd., 5.Tochigi Prefectural Museum)