The introduction of fillers boosts the performance of polymer coatings and extends their service life.However,single component fillers are not sufficient for intelligent coatings,and compatibility between the polymer ...The introduction of fillers boosts the performance of polymer coatings and extends their service life.However,single component fillers are not sufficient for intelligent coatings,and compatibility between the polymer matrix and the filler remains a major challenge.In this study,functional polydopamine(PDA)modified CeO_(2)/sodium-based montmorillonite(Na-MMT)or CeO_(2)/calcium-based montmorillonite(Ca-MMT)fillers were designed and fabricated via facile in-situ method.The coatings incorporated with MMT-based fillers that were prepared demonstrated remarkable anti-corrosion capabilities,exceptional antimicrobial resistance,and rapid selfhealing properties.Specific ally,the low-frequency impedance(|Z|_(0.01Hz))values of PDA/CeO_(2)/Na-MMT/EP and PDA/CeO_(2)/Ca-MMT/EP,after being immersed for 30 days,were sustained at 2.24×10^(7)and 1.70×10^(7)Ωcm^(2),respectively.Additionally,the bacteriostatic rates of the filler against E.coli and S.aureus can both reach above 99.9%,respectively,due to the photothermal effect and synergistic bacteriostatic mechanism of PDA and CeO_(2).The scratches healed rapidly within 40 s under near-infrared(NIR)irradiation.This work provides valuable guidance for the utilization of MMT-based sheet fillers for enhanced corrosion-resistant,antimicrobial,and repairable coatings.展开更多
在遥测垂线坐标仪、遥测引张线仪尚未普及,且其可靠性有待进一步完善的情况下,传统的垂线、引张线的人工观测仍占居主导地位。因传统方法的数据记录使内业数据处理工作量大大增加,采用基于Windows Mobile系统的PDA作为记录器,并利用Visu...在遥测垂线坐标仪、遥测引张线仪尚未普及,且其可靠性有待进一步完善的情况下,传统的垂线、引张线的人工观测仍占居主导地位。因传统方法的数据记录使内业数据处理工作量大大增加,采用基于Windows Mobile系统的PDA作为记录器,并利用Visual Studio 2008开发环境对其功能进行实现,取得了较好的运行效果,已试验性地运用于三峡工程安全监测项目中。阐述了垂线、引张线数据采集及处理系统的目标和主要功能,介绍了系统的设计目标、系统功能的实现以及系统的操作流程。展开更多
利用PDA自身具有蓝牙通信功能、扩展SD卡、使用方便等特点,在Visual Studio 2008环境下开发一套基于Windows Mobile操作系统PDA的核数据处理与显示软件,将其设计成一种便携式核仪器的处理与显示终端。利用蓝牙通讯技术使操作人员远程操...利用PDA自身具有蓝牙通信功能、扩展SD卡、使用方便等特点,在Visual Studio 2008环境下开发一套基于Windows Mobile操作系统PDA的核数据处理与显示软件,将其设计成一种便携式核仪器的处理与显示终端。利用蓝牙通讯技术使操作人员远程操控仪器并利用便携式掌上电脑(PDA)对数据的分析,实现对放射性的快速评价,最大程度上保护操作者的安全。展开更多
基金financially supported by the National Natural Science Foundation of China(No.52261045)Hainan Provincial Natural Science Foundation of China(No.625QN266)the Scientific Research Starting Foundation of Hainan University(No.XJ2400005319)
文摘The introduction of fillers boosts the performance of polymer coatings and extends their service life.However,single component fillers are not sufficient for intelligent coatings,and compatibility between the polymer matrix and the filler remains a major challenge.In this study,functional polydopamine(PDA)modified CeO_(2)/sodium-based montmorillonite(Na-MMT)or CeO_(2)/calcium-based montmorillonite(Ca-MMT)fillers were designed and fabricated via facile in-situ method.The coatings incorporated with MMT-based fillers that were prepared demonstrated remarkable anti-corrosion capabilities,exceptional antimicrobial resistance,and rapid selfhealing properties.Specific ally,the low-frequency impedance(|Z|_(0.01Hz))values of PDA/CeO_(2)/Na-MMT/EP and PDA/CeO_(2)/Ca-MMT/EP,after being immersed for 30 days,were sustained at 2.24×10^(7)and 1.70×10^(7)Ωcm^(2),respectively.Additionally,the bacteriostatic rates of the filler against E.coli and S.aureus can both reach above 99.9%,respectively,due to the photothermal effect and synergistic bacteriostatic mechanism of PDA and CeO_(2).The scratches healed rapidly within 40 s under near-infrared(NIR)irradiation.This work provides valuable guidance for the utilization of MMT-based sheet fillers for enhanced corrosion-resistant,antimicrobial,and repairable coatings.
文摘在遥测垂线坐标仪、遥测引张线仪尚未普及,且其可靠性有待进一步完善的情况下,传统的垂线、引张线的人工观测仍占居主导地位。因传统方法的数据记录使内业数据处理工作量大大增加,采用基于Windows Mobile系统的PDA作为记录器,并利用Visual Studio 2008开发环境对其功能进行实现,取得了较好的运行效果,已试验性地运用于三峡工程安全监测项目中。阐述了垂线、引张线数据采集及处理系统的目标和主要功能,介绍了系统的设计目标、系统功能的实现以及系统的操作流程。
文摘利用PDA自身具有蓝牙通信功能、扩展SD卡、使用方便等特点,在Visual Studio 2008环境下开发一套基于Windows Mobile操作系统PDA的核数据处理与显示软件,将其设计成一种便携式核仪器的处理与显示终端。利用蓝牙通讯技术使操作人员远程操控仪器并利用便携式掌上电脑(PDA)对数据的分析,实现对放射性的快速评价,最大程度上保护操作者的安全。
