About Moriya Toru
About Center for Accelerator Mass Spectrometry, Yamagata University, Yamagata 999-3101, Japan
About Miyahara Hiroko
About Humanities and Sciences/Museum Carriers, Musashino Art University, Tokyo 187-8505, Japan
About Ohyama Motonari
About Botanical Gardens, Tohoku University, Miyagi 980-0862, Japan
About Hakozaki Masataka
About National Museum of Japanese History, Chiba 285-8502, Japan
About Takeyama Mirei
About Center for Accelerator Mass Spectrometry, Yamagata University, Yamagata 999-3101, Japan
About Sakurai Hirohisa
About Faculty of Science, Yamagata University, Yamagata 990-8560, Japan
About Tokanai Fuyuki
About Center for Accelerator Mass Spectrometry, Yamagata University, Yamagata 999-3101, Japan
About Tokanai Fuyuki
About Faculty of Science, Yamagata University, Yamagata 990-8560, Japan
About Radiocarbon
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About solar cycle
About 2 stroke cycle
About annual ring
About sunspot
About solar activity (phenomenon)
About peninsula
About ambiguity
About 長期変動
About 11-yr solar cycle
About Spoerer Minimum
About YU-AMS
About Dating related to geochemistry
About Environmental contamination and its prevention
About 年輪
About 太陽周期
About 研究