About ISHIDA TOSHIFUMI
About NAKABAYASHI ICHIRO
About OKAMOTO TERUHIKO
About 鳴門塩業
About HIRASHIMA YASUSHI
About Coal Ash
About Manufacturing of ceramics and ceramic whiteware
About 高圧力
About 溶液
About 石炭灰
About 水熱処理
About ケイ酸カルシウム
About 硬化体