About GREENFIELD M. B.
About International Christian Univ., Mitaka, Tokyo 1818585, JPN
About ITO N.
About International Christian Univ., Mitaka, Tokyo 1818585, JPN
About IWATA A.
About International Christian Univ., Mitaka, Tokyo 1818585, JPN
About KUBO K.
About International Christian Univ., Mitaka, Tokyo 1818585, JPN
About ISHIGAKI M.
About International Christian Univ., Mitaka, Tokyo 1818585, JPN
About KOMURA K.
About Low Level Radioactivity Lab., Kanazawa Univ., Ishikawa 923122, JPN
About Journal of Applied Physics
About radioactivity measurement
About gamma dosimetry
About daughter nuclide
About age
About rainfall
About concentration(enrichment)
About lead isotope
About bismuth isotope
About radiative life
About secular variation
About equilibrium
About droplet
About radioactivity
About gamma-ray spectrum
About energy distribution
About Radon Daughters
About 永年平衡
About 降雨年齢
About Measuring methods and instruments of natural radioactivity
About ラドン娘核種
About γ線
About 降雨
About 年齢