2:30 PM - 2:45 PM
*Ryo Nakajima1, Yoko Ohtomo3, Tsubasa Otake2, Takeshi Kakegawa4, Tsutomu Sato2 (1.Division of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, 2.Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, 3.Faculty of Engineering, Hokkaido University, 4.Graduate School of Science, Tohoku University)