About KITAGAWA YASUO
About SAITO MANNOSUKE
About ペドロジスト
About pedogenic parent material
About dust
About quartz
About ESR
About signal characteristic
About signal level
About dating
About sample(statistics)
About Asia
About continent
About wind direction
About isotope
About measurement
About gap
About base material
About アジア大陸
About 海洋同位体
About 強度測定
About 酸素空孔量
About signal strength
About 地質母材
About ESR
About 微細石英
About 風成塵
About Soil minerals
About 土壌母材
About 風成塵
About 石英
About 起源
About 同定
About 電子スピン共鳴
About 信号強度