| 摘要 |
A microorganism corrosion prevention method of one embodiment of the present invention prevents microorganism corrosion of a metal material disposed in either an underwater environment where microorganisms exist or an underground environment where microorganisms exist in moisture, wherein the method is characterized in that the metal material, which is disposed in either an underwater environment where microorganisms exist or an underground environment where microorganisms exist in moisture, has imparted thereto the negative voltage, that is in accordance with the type of metal material, of a potential window region in which current does not, substantially, flow. |
