*Hatena Osawa¹, Tatsuo Oji¹, Hideko Takayanagi², Pedro J. Marenco³, Koichi Mimura¹, Sersmaa Gonchigdorj⁴, Kano onodera¹ (1.Nagoya University, 2.Tohoku University, 3.Bryn Mawr College, 4.Mongolian University of Science and Technology)