4:30 PM - 4:45 PM
*Hirochika Sumino1, Urumu Tsunogai2, Takanori Kagoshima3, Kaori Kawana1, Toshiya Mori4, Takeshi Ohba5 (1.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 2.Graduate School of Environmental Studies, Nagoya University, 3.AORI, The University of Tokyo, 4.Geochemical Research Center, Graduate School of Science, The University of Tokyo, 5.Department of Chemistry, School of Science, Tokai University)