Piezoelectric materials are capable of actuation and sensing and have been used in a wide variety of smart devices and structures.Active fiber composite and macro fiber composite are newly developed types of piezoelec...Piezoelectric materials are capable of actuation and sensing and have been used in a wide variety of smart devices and structures.Active fiber composite and macro fiber composite are newly developed types of piezoelectric composites,and show superior properties to monolithic piezoelectric wafer due to their distinctive structures.Numerous work has focused on the performance prediction of the composites by evaluation of structural parameters and properties of the constituent materials with analytical and numerical methods.Various applications have been explored for the piezoelectric fiber composites,including vibration and noise control,health monitoring,morphing of structures and energy harvesting,in which the composites play key role and demonstrate the necessity for further development.展开更多
目的评估医院感染管理持续性质量改进对长期留置(>6个月)透析导管相关性感染(HCRI)的影响。方法调查某院2009年1月至2011年12月长期留置HCRI的发生率和相关感染管理的不足。通过医院感染管理持续性质量改进后,再次评估2012年1月至201...目的评估医院感染管理持续性质量改进对长期留置(>6个月)透析导管相关性感染(HCRI)的影响。方法调查某院2009年1月至2011年12月长期留置HCRI的发生率和相关感染管理的不足。通过医院感染管理持续性质量改进后,再次评估2012年1月至2014年1月HCRI的发生情况。结果 2009年1月至2011年12月,某院在针对HCRI的控制过程中存在一定的不足,主要表现为:透析科医护人员的感染预防和技术规范教育和培训不足;感染预防制度执行的依从性差;手卫生不达标;无菌操作技术不规范等。通过医院感染管理持续性质量改进,结合采用最新的、具有循证医学证据的感染预防措施,HCRI的发生率明显下降(6.3 vs 2.1次/1 000导管日,P=0.02)。结论医院感染管理持续性质量改进可以明显降低HCRI的发生。展开更多
基金Project(51072235) supported by the National Natural Science Foundation of ChinaProject(11JJ1008) supported by the Natural Science Foundation of Hunan Province,China+2 种基金Project(20110162110044) supported by the PhD Program Foundation of Ministry of Education of ChinaProject(7433001207) supported by Hunan Provincial Innovation Foundation for Postgraduate,ChinaProject(2001JF3215) supported by Hunan Provincial Science and Technology Plan,China
文摘Piezoelectric materials are capable of actuation and sensing and have been used in a wide variety of smart devices and structures.Active fiber composite and macro fiber composite are newly developed types of piezoelectric composites,and show superior properties to monolithic piezoelectric wafer due to their distinctive structures.Numerous work has focused on the performance prediction of the composites by evaluation of structural parameters and properties of the constituent materials with analytical and numerical methods.Various applications have been explored for the piezoelectric fiber composites,including vibration and noise control,health monitoring,morphing of structures and energy harvesting,in which the composites play key role and demonstrate the necessity for further development.
文摘目的评估医院感染管理持续性质量改进对长期留置(>6个月)透析导管相关性感染(HCRI)的影响。方法调查某院2009年1月至2011年12月长期留置HCRI的发生率和相关感染管理的不足。通过医院感染管理持续性质量改进后,再次评估2012年1月至2014年1月HCRI的发生情况。结果 2009年1月至2011年12月,某院在针对HCRI的控制过程中存在一定的不足,主要表现为:透析科医护人员的感染预防和技术规范教育和培训不足;感染预防制度执行的依从性差;手卫生不达标;无菌操作技术不规范等。通过医院感染管理持续性质量改进,结合采用最新的、具有循证医学证据的感染预防措施,HCRI的发生率明显下降(6.3 vs 2.1次/1 000导管日,P=0.02)。结论医院感染管理持续性质量改进可以明显降低HCRI的发生。
