为探究可建体系(Broad Sustainable Building System,BSBS)钢结构的防火设计及构件耐火性能是否满足设计标准,以广西某医院工程的钢结构设计为例,通过有限元分析方法建立钢结构网格模型,模拟火灾发生时的钢柱形变过程和温度变化,研究了...为探究可建体系(Broad Sustainable Building System,BSBS)钢结构的防火设计及构件耐火性能是否满足设计标准,以广西某医院工程的钢结构设计为例,通过有限元分析方法建立钢结构网格模型,模拟火灾发生时的钢柱形变过程和温度变化,研究了屈曲约束支撑钢框架BRBF(Buckling Restrained Braced Frame)的耐火性能。结果表明:设计的防火设计满足设计标准;BRBF钢柱的耐火极限均不低于3.0h;钢柱使用0.5cm×0.5cm×0.007cm轻钢龙骨,里面嵌入0.5cm的容重为80kg/m3的防火岩棉,并在外层包裹一层0.08cm的厚水泥纤维板作为防火措施,具有较好防火隔热效果。可见屈曲约束支撑钢框架具有较好的防火性能,可以满足工程的防火需求,有利于预防火灾,以减少火灾带来的损失。展开更多
面向服务体系结构(Service-Oriented Architecture SOA)的核心理念是业务驱动,采用松耦合的、灵活的体系结构来满足随需应变的业务需求,支持动态的企业应用集成。针对目前企业业务和数据的紧密耦合缺陷,本文提出了一种以业务服务总线(Bu...面向服务体系结构(Service-Oriented Architecture SOA)的核心理念是业务驱动,采用松耦合的、灵活的体系结构来满足随需应变的业务需求,支持动态的企业应用集成。针对目前企业业务和数据的紧密耦合缺陷,本文提出了一种以业务服务总线(Business Service Bus)和数据服务总线(Data Service Bus)为核心的企业应用集成参考模型,并且给出了业务服务总线和数据服务总线的具体设计,实现了企业业务和数据的松散耦合。展开更多
Based on the bosonization approach, the supersymmetric Burgers(SB) system is transformed to a coupled bosonic system. By solving the bosonized SB(BSB) equation, the difficulties caused by the anticommutative fermionic...Based on the bosonization approach, the supersymmetric Burgers(SB) system is transformed to a coupled bosonic system. By solving the bosonized SB(BSB) equation, the difficulties caused by the anticommutative fermionic field of the SB equation can be avoided. The nonlocal symmetry for the BSB equation is obtained by the truncated Painlev′e method. By introducing multiple new fields, the finite symmetry transformation for the BSB equation is derived by solving the first Lie's principle of the prolonged systems. Some group invariant solutions are obtained with the similarity reductions related by the nonlocal symmetry.展开更多
文摘面向服务体系结构(Service-Oriented Architecture SOA)的核心理念是业务驱动,采用松耦合的、灵活的体系结构来满足随需应变的业务需求,支持动态的企业应用集成。针对目前企业业务和数据的紧密耦合缺陷,本文提出了一种以业务服务总线(Business Service Bus)和数据服务总线(Data Service Bus)为核心的企业应用集成参考模型,并且给出了业务服务总线和数据服务总线的具体设计,实现了企业业务和数据的松散耦合。
基金Supported by the National Natural Science Foundation of China under Grant Nos.11675146,11305106,11472177,11275129the Natural Science Foundation of Zhejiang Province of China under Grant No.LZ15A050001
文摘Based on the bosonization approach, the supersymmetric Burgers(SB) system is transformed to a coupled bosonic system. By solving the bosonized SB(BSB) equation, the difficulties caused by the anticommutative fermionic field of the SB equation can be avoided. The nonlocal symmetry for the BSB equation is obtained by the truncated Painlev′e method. By introducing multiple new fields, the finite symmetry transformation for the BSB equation is derived by solving the first Lie's principle of the prolonged systems. Some group invariant solutions are obtained with the similarity reductions related by the nonlocal symmetry.