*Francis Jhun Tin-ao Macalam^1,2、Kunyang Wang¹、Shin-chi Onodera¹、Mitsuyo Saito¹、Yuko Nagano³、Masatoshi Yamazaki⁴ (1.Graduate School of Advanced Science and Engineering, Hiroshima University、2.Department of Environmental Science and Technology, College of Science and Mathematics, University of Science and Technology of Southern Philippines, Cagayan de Oro City, 9000, Philippines、3.Japan Forest Technology Association, Rokubancho, Chiyoda-ku, Tokyo 102-0085, Japan、4.PASCO Corporation, PASCO Meguro Sakura Bldg, 1-7-1 Shimomeguro, Meguro-ku, Tokyo 153-0064, Japan)