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  1. Article

    Open Access

    Evaluation of X-ray doses and their corresponding biological effects on experimental animals in cone-beam micro-CT scans (R-mCT2)

    Studies show that the radiation dose received during a micro-CT examination may have adverse effects on living subjects. However, the correlations between the biological effects and the radiation doses have ne...

    Nobuyuki Miyahara, Toshiaki Kokubo, Yukihiro Hara in Radiological Physics and Technology (2016)

  2. Article

    Open Access

    NIRS external dose estimation system for Fukushima residents after the Fukushima Dai-ichi NPP accident

    The great east Japan earthquake and subsequent tsunamis caused Fukushima Dai-ichi Nuclear Power Plant (NPP) accident. National Institute of Radiological Sciences (NIRS) developed the external dose estimation s...

    Keiichi Akahane, Shunsuke Yonai, Shigekazu Fukuda, Nobuyuki Miyahara in Scientific Reports (2013)

  3. No Access

    Article

    The Fukushima Nuclear Power Plant accident and exposures in the environment

    The Great East Japan Earthquake has occurred on March 11, 2011, in the Tohoku District of Japan. Due to the earthquake, big tsunamis were induced, and they rushed to the Fukushima Nuclear Power Stations, causi...

    Keiichi Akahane, Shunsuke Yonai, Shigekazu Fukuda in The Environmentalist (2012)

  4. No Access

    Article

    Measurement of microdosimetric spectra produced from a 290 MeV/n Spread Out Bragg Peak carbon beam

    This study describes measurements on secondary particles produced by a 290 MeV/n Spread Out Bragg Peak (SOBP) carbon beam. Microdosimetric distributions of secondary fragments from the SOBP carbon beam have be...

    Satoru Endo, Masashi Takada, Hiroki Tanaka in Radiation and Environmental Biophysics (2010)

  5. No Access

    Chapter

    The Effects of Grain Size on Strength, Fracture Toughness, and Static Fatigue Crack Growth in Alumina

    Three point bending, fracture toughness and static fatigue crack growth tests of alumina specimens with various grain sizes were carried out to investigate the effects of grain size on bending strength, fractu...

    Nobuyuki Miyahara, Yoshiharu Mutoh in Grain Boundary Controlled Properties of Fi… (1992)