2:35 PM - 2:50 PM
*Shuji Tamamura1, Takuma Murakami1, Tamotsu Kiyama1, Akio Ueno1, Satoshi Tamazawa1, Hidenori Inomata1, Kunihiko Yoshida2, Shinji Yamagushi2, Tomoo Sasaki2, Toshifumi Igarashi1 (1.Horonobe Research Institute for the Subsurface Environment, 2.Mitsubishi Materials Corporation)