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3D integer model of spillway and frusta of brake are established and numerical computation of 3D viscous flow over spillway is completed. The influence of frusta of brake for design parameters such as shape of free surface,pressure on dam,flux coefficient is computed aim at type of frusta of brake and disposal on dam and compute result of different type of frusta and disposal model is compared.

6通过建立溢流坝和闸墩的三维整体模型,完成了对三维过坝水流粘流场的数值计算,针对闸墩的型式及在坝面的布置计算了闸墩对水面线形状、坝面压力、流量系数等设计参数的影响,并将不同墩型与布置形式的计算结果进行比较。

The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 A type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam; Obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0.2.(7)The 3D free surface turbulent model established in the paper is comparatively well and truly simulates 3D flow over spillway with frusta of brake and series waterpower computation can be completed aim at different type of dam, type of frusta and disposal on the dam and different water height on peak of

结果表明,闸墩河海大学博士论文的存在抬高了水面线的位置,其中在闸墩头部尤其明显;墩型对流量系数和坝面压力影响较大,3A型闸墩相对于2型闸墩具有更大的流量系数和更小的坝面压力:不同的墩厚闸宽比t/b对泄流能力也将产生显著的影响,随着墩厚闸宽比的增加,坝面压力降低,而当t/b二0.2时溢流坝具有更大的流量系数。7本文建立的三维自由面湍流场模型能够比较准确地模拟带闸墩溢流坝三维过坝水流湍流场,可以针对不同的坝型、墩型、坝面布置形式以及不同的坝顶水头完成系列水力计算,为泄水工程建筑物的设计提供可靠的分析依据

Also, by using a novel offset architecture, as opposed to completely overlapped architecture, for the differential transmission pair, a 33% reduction of thickness is achieved in the design of a miniaturized common-mode filter with multi-layer LTCC technology. In view of increasing need of high-speed clock and data circuits to control their skew problems, a design of LTCC delay line is then conducted. To improve the waveform distortion associated with the microstrip/stripline-type meander delay line, a miniaturized high-frequency 3-D delay line with grounded guard traces is introduced. By means of 3-D structure, the 233 ps delay time, which requires extra board space amounting to a factor of 2.34 by stripline type meander delay line, can be shrunk into an EIA 1206 form factor.

为因应高速时脉及高速线路的不断发展,用於控制讯号、时脉同步的延迟线路需求日益增加,接著讨论的题目便是应用低温共烧陶瓷制程技术设计多层的延迟线路元件,为了改善在微带线/带线型折线式延迟线路波形失真的问题,论文中提出以接地的防护线来设计小型化的三维多层延迟线路元件,比较应用带线型折线式延迟线路和应用三维架构设计的延迟线路元件,同样提供233 ps的延迟时间,多层架构设计之延迟线路可缩小至EIA 1206 的尺寸,省下2.34倍的电路板面积。

Currently, the company possesses products of such four sections as andriatrics, gynae, ultrasonic and data processing of medical information, totally 20-odd models.

企业简介 Introduction 三维医疗设备有限公司系江苏省高新技术企业和联合国采购中标企业, 1987 年成立以来,自一直致力于三维牌生殖健康系列产品的研制和开发,现有产品为男科,妇科,超声,医疗信息数据处理等四大类共二十余种。

In this research, a 3-D hexahedral finite element model of left foot including bones, cartilages, and soft tissues was developed. Besides, three finite element models of footwear including flat insole, total contact insole, and flat insole combined heel pad were also built, respectively.

本研究建构一组包含骨骼、关节软骨与完整软组织之左足三维六面体有限元素模型,并分别建构平板式鞋内垫、全触式鞋内垫与平板式鞋内垫加上足跟垫之简易鞋具三维六面体有限元素模型。

The stitch structure of honeycomb three-dimensional fabric are analysed.

文章主要分析了蜂窝状三维织物的组织结构,介绍了蜂窝状三维织物组织的设计及用有梭织机织造的方法,并对部分机构作了改进。

The three-dimensional model looked like a horseshoe-shaped structure, and contained 12 α-helices and 21 β-sheets, and the center LRR structural domain was composed of 10 tandem LRRs motifs. The expression of FaPGIP was found in root, stem, leaf, flower and fruit of strawberry.

采用SyPred3D软件预测了该基因所编码的蛋白质的三维结构,表明FaPGIP蛋白质的三维模型类似马蹄的结构,含12段α-螺旋和21段β-折叠,中心LRR结构域由10个串联的LRRs基序组成。

A 3D lithosphere model of the Indo-Australian plate is constructed and numerical simulation of the tectonic stress field of the Indo-Australian plate is performed by using the pseudo-3D finite element method and adopting the WSM2000 observed stress data and stress state as constraints, and then the influence of the boundary forces applied at the Indo-Australian plate on the intraplate stress field is discussed.

本文采用伪三维有限元方法,利用 WSM2000观测应力场数据的应力取向和应力状态作为主要约束,建立了印度—澳大利亚板块岩石层三维模型,对印度—澳大利亚板块构造应力场进行了数值模拟,进而探讨印度—澳大利亚板块所受边界力对板块内部应力场的影响。

Through indoor and outdoor experiments, it was proved that the designed 3-D intelligent measurement system for field landscape and Laser leveling aided decision-making support system can work stably. The 3-D intelligent measurement system can achieve an accuracy of 2cm in attitude measurement. The measurement efficiency is two times higher than that of using measure pole of imported equipments. The measurement system developed can provide basic decision-making support for laser controlled field leveling.

通过室内和室外试验表明:自主设计研发的智能三维地形测量系统和激光平地辅助决策支持系统可以正常稳定工作;智能三维地形测量系统高程测量的误差小于2cm,工作效率同比同类设备高2倍多;激光平地辅助决策支持系统能为激光平地作业提供必要的决策支持。

Laser leveling aided decision-making support system was equipped with multi functions, including run route planning, digging and filling, work time estimation, advanced analysis. The functions were realized by adopting MapObject Control module in Microsoft Visual C ++6.0 developing environment.

作为智能三维测量系统输出数据的处理系统一激光平地辅助决策支持系统,以Microsoft Visual C++6.0为开发环境,调用GIS的MapObjects控件进行组件式开发,实现了行走路线的选取、挖填土方量的计算、工作效率分析、三维成图等功能。

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