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  1. No Access

    Chapter

    Electrochemistry on Corrosion Engineering

    Base metals, such as iron, copper, zinc, and so on, in contact with water, corrode in nature. The loss of energies and materials caused by corrosion is terribly large, resulting in very large economic loss. Mo...

    Nobumitsu Hirai in Electron-Based Bioscience and Biotechnology (2020)

  2. Article

    Open Access

    In-situ detection based on the biofilm hydrophilicity for environmental biofilm formation

    A biofilm has a unique structure composed of microorganisms, extracellular polymeric substances (EPSs), etc., and it is layered on a substrate in water. In material science, it is important to detect the biofi...

    Nobuyuki Tanaka, Takeshi Kogo, Nobumitsu Hirai, Akiko Ogawa in Scientific Reports (2019)

  3. No Access

    Chapter

    Surface Analysis

    Surface analyses have been one of the key technologies for corrosion control and surface finishing. It is very important that the most appropriate apparatus for the purpose of the analyses should be selected f...

    Nobumitsu Hirai in Corrosion Control and Surface Finishing (2016)

  4. No Access

    Chapter

    Energy Problems—Fuel Cell

    Microbial fuel cells (MFCs) are one of the fuel cells which use the biological function of microorganisms. Biofilm formed on the electrodes of an MFC may affect the performance of the MFC. In this chapter ther...

    Nobumitsu Hirai in Biofilm and Materials Science (2015)

  5. No Access

    Article

    Intrinsic contact angle and contact interaction between liquid silver and solid graphite

    The intrinsic contact angle between liquid metal and a solid substrate is important for interpreting the contact interaction between them. However, the apparent contact angle revealed in a wetting test does no...

    Joonho Lee, Kazufumi Seo, Nobumitsu Hirai in Metals and Materials International (2007)