查询词典 research engineering

Beijing Municipal Institute of Hydraulic Engineering Planning Design and Research,Beijing 100044,ChinaAbstract:Daning Surge Tank,the surge structure of the Channel of the South-to-North Water TransferProject,connects the PCCP pressure pipe on upper course,and the water delivery underdrain on lower course with the function of adjusting the pressure and the flow rate of water delivery and the function of recession,which is important to the security of the project and the water delivery.

大宁调压池是南水北调中线工程北京段总干渠上的调压建筑物，上游连接PCCP压力管道，下游连接钢筋混凝土低压输水暗涵，具有调节供水压力、供水流量和退水功能，对保证工程安全和供水安全具有重要作用。

Analysis of IR-drop and electro migration will greatly instruct the design of power supply network and the layout of the signal line. Associate with the research item of Garfiled SoC in our engineering center, we found if we affiliate our signal integrity control flow into the physical design flow, the out of line designs caused by the signal integrity problem reduce a great deal. In this experiment, the amount of violative path is been cut down 60%.

结合工程中心Garfiled SoC芯片研究项目，在后端物理设计流程中加入该信号完整性控制流程，大量减少了由于信号完整性问题引起的设计违规，在本文的实验中，存在时序违规的路径数量减少了60%以上，并将修复的迭代次数从八次减少到三次，加速了时序收敛。

In feature-based reverse engineering, with the research of surface feature handling done wieldy and deeply, a methodology of surface-feature based re-modeling has come into being, with which the quadric surface, simple free-form surface and blend surface feature can be directly extracted from point cloud conveniently.

目前，在基于特征的反求工程中，有关曲面特征处理的研究已经比较深入，可以方便的直接从点云数据中提取二次曲面特征、简单自由曲面特征和过渡曲面特征，基本形成了一种基于曲面特征的反求工程CAD建模方法。

Based on the research of work characteristics of engineering machine main clutch, this paper analyses the heat transmitting process, presents its mathematical model, and its exotherm expression, and obtains its results and temperature varing laws throught numerical solution.

在研究工程机械主离合器工作特点的基础上，分析了主离合器工作时的热传导过程，给出了热传导数学模型和温升表达式，并用数值解法求解，得出摩擦片的温度变化规律。

To stay ahead, the centre also strives to establish networks with local and external research institutions and formalise technical cooperation with renowned international bodies in the field of precision engineering.

为了保持在技术应用前沿，与国际和国内的与精密加工相关的知名单位建立密切合作关系形成网络。

Purpose of research work is realized by three main program module. The drafting aided tool on engineering draught is base on ActiveX Automation to develop the AutoCAD 2000. This module not only can enhance efficiency in plotting, but also offer base of creating and extracting information for the others.

课题分三个主程序模块完成，工程图样设绘辅助工具模块采用ActiveX Automation技术，对AutoCAD 2000软件平台二次开发，不但可以大大提高绘图效率，更重要的是为以后两个模块提供进行信息的建立与提取的基础。

Los Alamos National Laboratory is a premier national security research institution, delivering scientific and engineering solutions for the US's most crucial and complex problems.

洛斯阿拉莫斯国家实验室是一家一流的国家安全研究机构，提供科学和工程解决方案，美国的最重要和最复杂的问题。

And it has boosted the development of scientific research and engineering practice extremely.

极大地推动了涉及大规模数据管理的科学研究和工程实践的发展。

Law of dragon of Pan of director of research center of engineering of CD of Tsinghua university country denies afore-mentioned censuring to the utmost.

清华大学国家光盘工程研究中心主任潘龙法极力否认上述指责。

According to Maxwell' geomorphology theory and the standardization characteristic of surface texture feature based on GPS'(geometrical product specification) areal method, deeply research the change tree and Wolf pruning technology which were used in analyzing surface topography. Further standardized the Wolf pruning standard of area, line and point feature etc and the quantification parameters of charactering surface texture. And expound its feasibility in engineering practicability by taking an example.

基于Maxwell的地貌学理论及GPS(geometrical product specification)区域法表面结构要素的规范特点，深入研究应用于表面形貌分析中的变化树及Wolf修剪技术；进一步规范区域、线、点等要素的Wolf修剪标准及表征表面结构的量化参数；并以实例阐述其在工程实践中的可行性。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。