About NAGATO KENKICHI
About ENOKIDA TATSUMI
About ダイキン工業
About OKAMOTO YOSHIO
About ダイキン工業
About air cleaning
About indoor air pollution
About equipment
About mass spectrometry
About carbonate ion
About hydrogencarbonate ion
About anion
About water vapor
About nitrate ion
About atmospheric pressure ionization mass spectrometry
About Environmental Pollution
About ionizer
About corona discharge type static eliminator
About Air purification
About 室内環境
About 放電
About イオン発生器
About イオン
About 解析