About ARATA K
About Hokkaido Univ. Education, Hakodate, JPN
About HINO M
About Hakodate Technical Coll., Hakodate, JPN
About Materials Chemistry and Physics
About acidity (degree)
About Salts
About Catalytic reactions(heterogeneous system)
About 金属酸化物
About 超酸
About 触媒作用