11:30 AM - 11:45 AM
*Kenji Ohta1, Yoshiyuki Okuda1, Takashi Yagi2, Kei Hirose3, Ryosuke Sinmyo3 (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, 3.Earth-Life Science Institute, Tokyo Institue of Technology)