3:45 PM - 4:00 PM
*Naohiro Kishi1, Jonathan Macuroy2, Ryohei Takahashi1, Akira Hara3, Yoshinori Okaue3, Akira Imai4, Pearlyn Manalo1, Hinako Sato1, Andrea Agangi1 (1.Graduate School of International Resource Sciences, Akita University, 2.Center for Regional Revitalization in Research and Education, Akita University, Japan, 3.Sumitomo Metal Mining Co., Ltd., 4.Faculty of Engineering, Kyushu University, Japan)