9:30 AM - 9:40 AM
*Koudai Hirono1, Kazuo Ohgaki1, VINH PHAM NGOC1, Yuya Hidekuma2, Syunta Sakurai2, Masashi Hattori3, Genta Goto3, Takeshi Miyashita4 (1. INSTITUTE of TECHNOLOGISTS, 2. Nippon Steel Chemical &Material, 3. Nippon Expressway Research Institute , 4. Nagaoka University of Technology)