About TAKAHASHI TOORU
About TAKANO AKETOMI
About SAITO TAKAYUKI
About NAGANO NOBUHIRO
About HIRAI SHINJI
About SHIMAKAGE KAZUYOSHI
About phosphor
About 超音波撹はん
About Recycling of resources
About Inorganic compounds and elements in general
About Fluorescence and phosphorescence of inorganic molecules
About 共沈法
About 蛍光体
About スラッジ
About 赤色蛍光体
About Y2O3