About MITOMA YOSHIHARU
About EGASHIRA NAOYOSHI
About 日本化学会講演予稿集
About pollutant
About organic compound
About persistency
About polychlorinated biphenyl
About soil pollution
About prevention of pollution
About Calcium
About catalytic reaction
About abrasion
About ball mill
About roll mill
About Environmental sanitation and environmental pollution control in general
About Other pollutants
About カルシウム
About 残留性有機汚染物質
About 分解
About 研究