About KITA ITSURO
About 九大 大学院比較社会文化研究院
About HASEGAWA HIDENAO
About 環境科学技術研
About SATO TOKIYUKI
About 秋田大 工学資源
About HAYASHI TATSUYA
About 九大 大学院比較社会文化研究院
About KOJIMA MAKOTO
About 九大 大学院比較社会文化研究院
About microfossil
About nitrogen 15
About isotopic ratio
About oxygen 18
About Caribbean Sea
About period (cycle)
About climatic variation
About Nitric Acid
About consumption
About oceanic structure
About marine environment
About plan
About oxygen isotope ratio
About calcareous nannofossil
About nitrogen stable isotope ratio
About Milankovitch's cycle
About offshore drilling program
About 硝酸消費
About nitrogen isotope ratio
About Cenozoic
About Geochemistry of hydrosphere and biosphere
About Marine geology
About 後期新生代
About 環境指標
About 微古生物学
About 古海洋学
About 進展
About 石灰質ナンノ化石
About 窒素同位体比
About 相関
About 植物プランクトン
About 硝酸
About 消費
About プロセス
About 実証