Research keywords (14):
environmental radioactivity
, environmental ionizing radiation
, radiation protection
, gamma-ray spectrometry
, accelerator mass spectrometry (AMS)
, radioactive aerosol
, health physics
, carbon cycling
, global warming
, accelerator mass spectrometry
, radiocarbon
, carbon-14
, carbon isotope
, radon
Japan Health Physics Society
, Atomic Energy Society of Japan
, Japan Geoscience Union
, 日本地球化学会
, The Japan Society of Atmospheric Chemistry