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Hiroshi SAKIYAMA
Department of Science, Faculty of Science, Yamagata University, Kojirakawa 1-4-12, Yamagata 990-8560, Japan
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Rjoji MITSUHASHI
Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University, Gakuen 2-1, Sanda 669-1337, Japan
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Masahiro MIKURIYA
Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University, Gakuen 2-1, Sanda 669-1337, Japan
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Katsushi WAKI
Department of Science, Faculty of Science, Yamagata University, Kojirakawa 1-4-12, Yamagata 990-8560, Japan