Sodium hypochlorite and ozone are the principal active substances and usually employed in ballast water management systems. In the present study, the authors focus on the effect of these active substances to the maaix...Sodium hypochlorite and ozone are the principal active substances and usually employed in ballast water management systems. In the present study, the authors focus on the effect of these active substances to the maaix polymer of coating. In order to obtain such information, the authors investigated the penetration of active substances to the polymer from cross section of specimens introduced by SAICAS （surface and interracial cutting analysis system）, followed by FT-IR-ATR （Fourier transform infrared and attenuated total reflectance） spectroscopy analysis from Z direction of cross section. The corrosion test of coating panels by these active substances （control as artificial seawater） has been conducted for 120 days. The results show that the depth profile of each active substance is around few dozens of micrometers from coating surface. The criteria of corrosion test cannot be determined by these results due to lacking in actual corrosion data immersed for 15 years under active substances. However, the authors evaluated the effect on ballast tank coating systems by active substances using analytical methods of SAICAS and FT-IR-ATR spectroscopy.展开更多
日前，美卓与SAICA公司签署外包协议，将向位于英国的Saica Containerboard UK Ltd．公司Parting—ton纸厂提供纸厂维护业务。这项为期数年的协议于2011年1月11日生效。根据该协议，美卓将全面负责Partington纸厂的维护运行、电站、备...日前，美卓与SAICA公司签署外包协议，将向位于英国的Saica Containerboard UK Ltd．公司Parting—ton纸厂提供纸厂维护业务。这项为期数年的协议于2011年1月11日生效。根据该协议，美卓将全面负责Partington纸厂的维护运行、电站、备浆和造纸生产设备以及水处理设备的维护及项目管理等业务。合同金额未公布。展开更多
文摘Sodium hypochlorite and ozone are the principal active substances and usually employed in ballast water management systems. In the present study, the authors focus on the effect of these active substances to the maaix polymer of coating. In order to obtain such information, the authors investigated the penetration of active substances to the polymer from cross section of specimens introduced by SAICAS （surface and interracial cutting analysis system）, followed by FT-IR-ATR （Fourier transform infrared and attenuated total reflectance） spectroscopy analysis from Z direction of cross section. The corrosion test of coating panels by these active substances （control as artificial seawater） has been conducted for 120 days. The results show that the depth profile of each active substance is around few dozens of micrometers from coating surface. The criteria of corrosion test cannot be determined by these results due to lacking in actual corrosion data immersed for 15 years under active substances. However, the authors evaluated the effect on ballast tank coating systems by active substances using analytical methods of SAICAS and FT-IR-ATR spectroscopy.
文摘日前，美卓与SAICA公司签署外包协议，将向位于英国的Saica Containerboard UK Ltd．公司Parting—ton纸厂提供纸厂维护业务。这项为期数年的协议于2011年1月11日生效。根据该协议，美卓将全面负责Partington纸厂的维护运行、电站、备浆和造纸生产设备以及水处理设备的维护及项目管理等业务。合同金额未公布。
