压下的
- 与 压下的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on the plasto-elastic bounding surface model, the dynamic characters of typical clay and silt were studied through several types of laboratory dynamic tests. The parameters of dynamic bounding surface model were given upon the tests. By using a nonlinear procedure for response analysis of horizontally layered sites subjected to multi-directional earthquake loading, the response of acceleration, pore pressure and dynamic stress in Shanghai area under different earthquakes were studied.
在弹塑性边界面模型的基础上,通过试验,研究了上海地区典型粘土和砂性土的动力特性,取得了针对边界面模型的计算参数,并采用多向地震作用下的水平地层弹塑性动力反应分析程序对以深厚软土覆盖地层为特点的上海地区典型的土层断面,以苏南核电站为主的地震输入进行了场地反应分析,在加速度特性、孔压特性和动应力特性等方面取得了相应的结果。
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Data applications are set up resources for interoperable model of heterogeneous database environment or file system connected to achieve implementation of the middleware connectivity; at Distributed System, the essential data are concentrated in the data storage server, they can be a relationship between the type, compound document type, with a variety of multimedia-based storage format, or are encrypted or compressed storage, such middleware for virtual buffer at the network access, format conversion, extracting and other convenient
是为了建立数据应用资源互操作的模式,对异构环境下的数据库实现联接或文件系统实现联接的中间件;在分布式系统中,重要的数据都集中存放在数据服务器中,它们可以是关系型的、复合文档型、具有各种存放格式的多媒体型,或者是经过加密或压缩存放的,这类中间件将为在网络上虚拟缓冲存取、格式转换、解压等带来方便
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This paper referred to simulating the supersonic double cone inlet" s flow field of ramjet pill assisted range projectiles at a variety of working circumstances, pressure contours, density contours and Mach number contours of inlet" s flow field were given When cone combination, relative location of cone core and cowl lip, the pressure of outlet, inflow Mach number and angle were changed, flow field and performance parameters of inlet can be affected. Simultaneity, productive mechanism and inducing factors of the inlet surge were also discussed. Then the best working conditions and the best model of inlet were obtained.
本文对冲压增程弹丸所用发动机的双锥超声速进气道在各种工况条件下的流场进行了数值模拟,给出了进气道流场的等压线图、等密度线图和等马赫线图,从而观察在不同的锥尖角组合、锥芯与外罩唇口的相对位置、出口反压、来流马赫数和攻角时,对进气道流场及性能参数的影响,并探讨喘振现象的产生机理及诱导因素,以便确定最佳的工作状态,得到最优的进气道模型。
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Also calculated are dynamic heat transfer characteristics in the fuel rod under different pressure and it is found that we can use the temperature raising speed at x=14.5 cm to calculate helium pressure in the fuel rod.
通过用RODTRAN程序计算各种不同压力情况下的燃料棒动态传热特性,发现利用x=14.5cm处的包壳表面升温速率可以推算燃料棒内的氦气压力,氦气压力的测量精度可小于5%,也就是说可以区分1.9MPa和2.0MPa的压力差别,此时的最大温差可达0.5℃,同时也发现压紧弹簧段的温度响应比铀芯块段要快。
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Based on the elastic theory of large deflection and by taking into account the variation of the axial force and its effects on bending deformation of the drillstring in vertical section,the vibration of the drillstring induced by fluctuating weight-on-bit is described by a parametrically excited system.A Mathieu equation describing the system is established by Galerkin Method.By extending the solution into a Fourier series,the curves of dynamic bifurcation values and the dynamically unstable regions surrounded by the curves are presented.
基于弹性大变形理论,考虑到轴力沿钻柱轴线的变化及其对钻柱弯曲变形的影响等因素,将受自重作用的铅垂井段钻柱在波动钻压激励下的振动转化为一个参数激励系统,用Galerkin方法首次得到了描述此系统的Mathieu方程,并通过将方程的解展成富里叶级数的方法,得到了该振动系统的动力分岔值曲线及其所包围的动力不稳定区。
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In the exploration enterprise internationalization's developing process the afterheat excess pressure recycling use which serves under somebody's banner (afterheat electricity generation excess pressure use and so on) the construction energy conservation transformation (wall energy conservation transformation applies LOW-E midheaven glass glass pastes transformations and so on membrane uses plate pile technology and so on) the central air conditioning energy conservation transformation technology (cooling tower energy conservation transformation ice accumulation of cold technology source water source air conditioning technology Leng Meibeng cooled pump transformation and so on) three big prop energy conservation industry to be coquettish in respective domain each collar has won the global prestige and the oral traditions; The Group devotes for a long time to the new building materials the tidal current science and technology research the development passed the BSI IS09001 authentication becomes the world three big glass function membrane core manufacture manufacturer is the present global glass pastes one of membrane service industry largest scale enterprises.
ACER位于美丽的加拿大蒙特利尔市。是全球新型建材知名企业,集团在全世界范围内拥有 6400多名员工,以及数十家实力相当的亲密合作伙伴,为全球70多个国家提供一流服务。在探索企业国际化的发展过程中,旗下的余热余压回收利用建筑节能改造(墙体节能改造,应用LOW-E中空玻璃,玻璃贴膜等改造,采用支盘桩技术等),中央空调节能改造技术(冷却塔节能改造、冰蓄冷技术、地源水源空调技术、冷媒泵冷却泵改造等)三大支柱性节能型产业在各自领域各领风骚,赢得了全球性的声誉和口碑;集团公司长期致力于新型建材、潮流科技的研究、开发,通过了BSI的IS09001认证,成为世界三大玻璃功能膜核心制造厂商,是目前全球玻璃贴膜服务行业最具规模的企业之一。
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It is significant to investigate the stress-strain relationship of green sand to control the molding quality.
利用侧限压缩试验,研究了松散型砂在侧限应力状态下的力学行为,描述型砂压实状态的物理量,提出了型砂的瞬时压缩模量与压缩状态相关的假设。
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The rolling experiments were performed in the rolling mill of laboratory with lead, the roll pass scale is 1:5 according to the actual size of 310 Z shape steel. The effect of rolling design and the reduction to the molding of the 310 Z shape is the topic of the research works. We can conclude that the
本文针对孔型系统,将孔型缩小为实际尺寸的1/5,利用实验轧机轧制铅试样的实验方法,研究了孔型形状参数、道次压下量等因素对310乙字钢成型的影响,为改变孔型系统、提高产品质量提供了解决的方向。
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The map symbolization is the first key in this model. The spatial data can be compiled through map symbols. For publishing paper map, some approaches, for examples, area feature symbolization, feature covering, making mask and so on, are accomplished on the process. It is the second key that spatial attribute database management is applied in digital mapping.
本文指出解决空间数据的地图表达是实现一体化生产模式的第一个关键,其中地图数据符号化技术贯彻全部过程,实现了基于地图符号的空间数据生产,并在地图出版阶段,通过面状符号配置、要素压盖、蒙片等地图出版处理技术,实现地图出版;本文把属性管理技术应用在地图制图中,实现了属性数据库支持下的地图编辑。
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The influence of thedifferent parameters, such as blank-holder condition, thickness of blank sheetand material pattern on the wrinkle and the crack is analyzed. FLD is used tojudge the crack on the multi-point forming process successfully. The predictionof crack accords with the experiment ones, which shows choosing the properparameters can eliminate or restrain the defects, and also benefits the MPFtechnique and the shaping analysis.
本文对使用弹性介质和无弹性介质的多点成形过程进行了对比,指出使用弹性介质时在满足成形精度的前提下可以明显改善工件的成形质量,并通过对不同厚度和弹性模量的弹性介质对压痕的抑制作用进行了对比分析,探讨了最佳的弹性介质参数。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。