^○Sara Arakawa¹, Yuusuke Dohi¹, Hideki Nagano¹, Tetsuya Yamamoto¹, Takashi Matsui¹, Issui Akishika¹, Tadafumi Daitoku² (1.JFE, 2.Akita Prefectural Univ.)

^○Kotaro Ishimoto¹, Kotaro Sakai¹, Masahito Kitao¹ (1.Kansai Coke and Chemicals)

Daisuke Watanabe¹, Takashi Haruna¹, Shinzi Iwakiri¹, Takahiro Harada¹, ^○Sho Shiratori¹, Yuuki Kimura¹ (1.Kansai Coke and Chemicals)