・ 2/1/2024　    Database updated (Zn 1 species, Ga 17 species, As 8 species).
　　・ 9/20/2023　  Database updated (Mn 1 species, Fe 1 species, Y 21 species, Er 1 species, Yb 1 species).
　　・ 2/22/2023　  Database updated (Ge 9 species, Ir 1 species).
　　・ 1/31/2023　  Database updated (Ti 1 species, V 1 species, Sr 26 species, Nb 1 species、Mo 1 species, Ta 1 species, W 1 species).
　　・ 11/24/2022　Manual updated.
　　・ 4/28/2022　  Link collection added.
　　・ 3/31/2022　  This homepage has been opened.