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The study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy-dissipation capacity of D shape and K shape eccentrically braced steel frames have been some studied before. This paper fills the black in the filed factor of high-span ratio, brace stiffness and brace-to-beam connections to be changed affectenergy-dissipation capacity of D shape and K shape eccentrically braced steel trames and any factor to be changed affect energy-dissipation capacity of Y shape eccentrically braced steel frames.
对耗能梁段的长度、耗能梁段腹板的厚度、耗能梁段翼缘的厚度、耗能梁段加劲肋的间距、耗能梁段加劲肋的厚度、支撑的夹角等因素的改变对D形、K形偏心支撑钢框架耗能的影响,前人已有一些研究,本文对这些因素的影响进行了全面系统的分析,完善了理论分析的不足;而结构高跨比、支撑刚度、支撑与梁的连接形式等因素对D形、K形偏心支撑钢框架破坏机理的研究以及各种因素对Y形偏心支撑钢框架破坏机理的影响,则很少有人涉及,本文对此也进行了深入系统的分析,填补了这一研究空白。
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The thesis studies the difference between GWSs composition and traditional workflow applications, proposes the implement mechanism and technical architecture of GWSs composition and defines the reference model of GWSs composition platform, which provide holistic framework and top-level guidance for studying dynamic GWSs composition technology, designing GWSs composition platform, and implementing representative composite service applications.2、Theories and methods of composite process modeling and process analysis. This thesis proposes a meta-model of Geo-spatial Web services composition process defining from two aspects, i.e. process and resource. According to the process definition meta-model, we propose a new Geo-spatial Web services composition Process/Resource model based on extended WF-net, which effectively resolves the problems on uncertain activity option and dynamic variation of service in composite process model. A notion with regard to soundness of process model is proposed from three aspects, i.e. the structural correctness of process model, validity of data link and validity of resource. The notion of soundness definitely gives a dividing line on correctness of composite GWS process. This thesis analyzes sufficient and essential terms of soundness, and studies compositional property of WSCP/R-net models which provides an effective method to construct a soundness WSCP/R-net model. According to WSCP/R-net, the thesis proposes composition algebra and studies the properties of it. Based on the composition algebra, 6 kinds of composite process reduction rules are induced to optimize the process.3、Geo-spatial Web service QoS model and its application architecture. This thesis proposes an extendable GWS QoS model from three aspects, i.e. Geo-spatial Web Service itself, networking conditions and service consumer which can be used to distinguish GWSs with overlapping or identical functionality. We work over the QoS evaluation methods of composite GWS process which can be used to guide the execution, monitor and service selection of composition process. Aming at some disadvantages in traditional Web service discovery model for its lacking of QoS supporting, this thesis proposes a new service discovery model SDMQ supporting QoS constraints.4、Technologies of composite service executing. SSPL, a new composite service process language, is defined to overcome the disadvantages of existing composite services process languages which can not adapt to the dynamic variation of Geo-spatial Web Services. An algorithm is described to translate WSCP/R-net model into SSPL. The thesis studies the model of dynamic services selection with QoS global optimization, presenting an algorithm GODSS to resolve dynamic services selection with QoS global optimization in GWSs Composition.5、Design and implement experimental system and representative applications. According to the research findings presented above, we design and implement an experimental system and construct two representative applications to show that our achievements are effective and practical.
针对当前空间信息服务聚合研究中存在的若干不足,本文重点在基于工作流的空间信息服务聚合框架、空间信息服务聚合流程建模和分析技术、空间信息服务QoS模型及应用体系以及空间信息服务聚合流程执行等几个方面进行深入研究,主要工作和创新点包括:1、基于工作流的空间信息服务动态聚合框架:研究了空间信息服务动态聚合和传统工作流应用的不同,在此基础上提出了基于工作流技术的空间信息服务动态聚合实现机制、技术体系和参考模型,为研究空间信息服务聚合的关键技术、开发服务聚合支撑平台以及在此基础上构造特定的空间信息服务聚合应用提供了总体框架和顶层指导。2、空间信息服务聚合流程建模和分析技术:首先基于动态服务聚合流程建模的需求和空间信息服务动态变化的应用实际,从服务聚合的过程维和资源维出发定义了服务聚合流程定义元模型;与之相对应,对基本的WF-net进行扩展,提出服务聚合流程/资源网作为空间信息服务聚合流程的形式化描述模型,有效解决了现有的基于基本Petri网和工作流网的服务聚合建模方法所不能解决的不确定路径选择和服务的动态变化性问题;从流程结构正确性、数据依赖有效性和资源实现有效性三个方面提出了WSCP/R-net健壮性的概念,明确界定了聚合流程正确性的标准,并对WSCP/R-net模型的健壮性分析方法和WSCP/R-net模型的组合特性进行了研究;提出了空间信息服务聚合代数算子并对其性质进行了研究,在此基础上提出了6种聚合流程约简规则,从而可达到优化聚合流程、提高聚合流程执行效率的目的。3、空间信息服务QoS模型和应用体系:从服务本身、网络环境和服务消费者三个层次出发,提出了一个可扩展的空间信息服务QoS模型GSQM,实现了对空间信息服务的度量和评价,并对GSQM不同质量要素信息的客观、公正采集方法进行了研究;研究了空间信息服务聚合流程QoS评价方法,有效支持了空间信息服务聚合流程的执行、监控以及服务选择等操作;针对目前的服务发现模型仅支持服务功能性描述、不能有效满足空间信息服务应用需求的现状,提出了一种新的支持QoS约束的服务发现模型SDMQ,并对模型的实现框架进行了研究。4、空间信息服务聚合流程执行技术:针对现有的服务聚合流程描述语言不能有效满足空间信息服务动态聚合流程描述的特点,基于BPEL4WS提出了一种新的空间信息服务聚合流程描述语言SSPL;研究了满足健壮性要求的WSCP/R-net模型向SSPL的转换算法,在此基础上可以满足用户无显式编码来实现空间信息服务聚合应用的目的;研究了服务动态选择QoS全局优化模型,并在此基础上提出了一种解决服务动态选择QoS全局优化问题的实现算法GODSS.5、基于论文研究成果,设计实现了"空间信息服务聚合实验系统",并构建了"矿产资源评价"和"城市消防应急响应"两个典型应用案例,对论文所述模型、方法的可行性和有效性进行了验证。
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CORVUS : a cognitive radio approach for usage of virtual unlicensed spectrum R .
认知无线电技术的出现,为解决频谱资源不足,实现频谱动态管理及提高频谱利用率提供了强有力的技术支撑。
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CORVUS : a cognitive radio approach for usage of virtual unlicensed spectrum .
认知无线电技术的出现,为解决频谱资源不足,实现频谱动态管理及提高频谱利用率提供了强有力的技术支撑。
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Insufficient adjuster torque will not support the ring gear correctly and can cause excessive differential case free-play and ring gear noise.
调整器扭力不足将不能正确地支撑环齿轮并会导致过度的差速箱游隙和环齿轮噪音。
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After reforming and opening of our country, although our High-Tech Industry and capital market have been developing quickly, the system arrangement of inosculation and fine mutual action of capital market and High-Tech Industry still exists prodigious limitation and deficiency. So the study on system arrangement about supported system of capital market has quite important values to advance High-Tech Industry development as well as capital market development of our country.
改革开放以来,我国高新技术产业和资本市场虽然都取得了较快的发展,但高新技术产业与资本市场融合并获得良性互动的制度安排还存在很大的缺陷和不足,因此,研究我国高新技术产业发展的资本市场支撑体系制度安排对加快推进我国高新技术产业和资本市场发展具有十分重要的作用。
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A rational procedure is presented to solve finite element problem mixing nonlinear and elastoplastic materials. To avoid numerical problem, the incremental finite element analysis of geometrically altered structures is adopted, and a corresponding automatic finite element mesh strategy is proposed for simulating construction process of excavation.
本文采用变结构有限元分析方法,建立了一种可以灵活模拟基坑工程各种施工工况的有限元网格方法,该方法克服了现有的一些网格方法无法模拟加支撑、加锚杆或拆支撑的缺点,以及不便于计算机自动生成有限元网格的不足,可以更全面、准确地模拟施工过程,大大方便了有限元前处理工作。
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Its organization loop has serious information filtering phenomena lengthwise and also has some problems locally breadthwise. Organization conflict has mild characteristics which result from equalization and the highest wage system in the local area. Dongsheng has a clear management strategy, but its system needs to be improved and enhanced. Its cost and technique management are advanced than the large-sized state-owned enterprises in this field, but its finance and human resources management need to be improved. The company's culture has played a great role in the development of Dongsheng, but the rapid enlargement of the enterprise and the insufficiency support of culture system result in its weakness in practice. The employees have excellent diathesis and the company emphasizes training, but there are large difference between some position setting and employee's ability and the company also doesn't pay enough attention to the core capability.
其部门之间、母子公司之间,部门与子公司之间都有许多方面需要改进;其组织循环在纵向上存在较严重的信息过滤,横向上局部也存在问题;组织冲突以平和为基本特点,带有平均主义色彩并在本区域收入最高的薪酬制度是形成这个特点的主要原因;有明确的公司经营战略,但公司的战略管理体系有待进一步完善和提高水平,其成本管理和技术管理明显高于同业大型国企,其财务和人力资源的管理还有待进一步提高;企业文化曾对公司的发展起了巨大的推动作用,但随着企业的迅速扩大,外来人员迅速增加,加上文化的制度支撑不足,出现了弱化和与实际不一致的状况;员工素质较高,公司注重培训,但相当一部分的岗位设置与员工能力水平存在较大差异。
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Based on the relation between the performance parameters of cylinderpressure and the single cylinder fault of underpower, a fuzzy diagnosis system formarine diesel engine by using fuzzy interfere principle is investigated, which canautomatically identify the single cylinder underpower. The researches provide thefoundation for the practical application of the instantaneous angular speed and thecylinder pressure methods.
6利用故障仿真计算所确定的单缸功率不足故障与示功图性能参数间的相互关系,应用模糊逻辑推理原理,建立了柴油机模糊诊断系统,可实现船舶柴油机单缸功率不足故障的自动识别,为瞬时转速法和示功图法的工程应用提供了技术支撑。
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A planet on the other hand is built up out of the dust that surrounds a star. When a star is formed there is still a disk of gas surrounding it. As this gas cools, it condenses and forms solid grains. These grain particles accrete into large bodies called planetesimals, which then collide and accrete to make protoplanets. These protoplanets evolve into planets like the planets in our own solar system.
行星演化与恒星不同:恒星形成之后,周边的气体尘埃云冷却之后凝结形成,成为行星雏形,众多小行星雏形聚合碰撞,演化成成熟的行星;没有内部的核聚变;质量超过木星13.6倍,就会产生核聚变,如果还未至木星86倍,尚处于棕矮星的阶段,将会向恒星演化;持久的核聚变需要足够大的质量来支撑,温度也不足支撑氢向氦的转变。
- 更多网络解释与支撑不足相关的网络解释 [注:此内容来源于网络,仅供参考]
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underbody:车身底座 船体水下部分
underboarding /垫板/衬板/ | underbody /车身底座/船体水下部分/ | underbraced /自下支撑的/支撑不足/
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underbred:教养不良的/没教养的/下流的
underbraced /自下支撑的/支撑不足/ | underbred /教养不良的/没教养的/下流的/ | underbridge /桥下/
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underbraced:自下支撑的 支撑不足
underbody /车身底座/船体水下部分/ | underbraced /自下支撑的/支撑不足/ | underbred /教养不良的/没教养的/下流的/
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underbraced:自下支撑的
underbraced 支撑不足 | underbraced 自下支撑的 | underbred 教养不良的
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underbraced:支撑不足
underbody 船体水下部分 | underbraced 支撑不足 | underbraced 自下支撑的