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According to the cross wind ,the aerodynamic field inside and outside an air cooling tower is numerically simulated.

对侧风条件下空冷塔内外的空气动力场进行了数值模拟，分析了塔外速度分布、压力分布，并与相应条件下理想流体圆柱绕流的情况进行了比较。

The gas-solid two-phase flow in the cyclone separator is investigated experimentally and numerically in this thesis, the results are important to improve the design, research and separation efficiency measurement of the separator.

本文从理论和实验两方面对旋风分离器内的气固两相流动进行了研究，所提出的方法和所得到的结论对于提高分离器的研究、设计及测试水平都具有重要的意义。

Resin grinding wheel. Diamond polishing powder , our factory has advanced equipment and excellent tool for the detection of computer numerically controlled machine tools, large-scale penetration video device, according to the customer special requirements of size drawings Product Design, Product pan for optical lens.

树脂砂轮。钻石抛光粉等，本厂有优良的设备先进的检测工具电脑数控机床，大型透影仪，根据客户特殊要求尺寸图样设计制作产品，产品泛用于光学镜头。

It is not enough to resolve all of the problems related to the hydraulic stability only to analyze the stable field in passing components. Finally, the paper numerically simulated the transient field in prototype's draft tube under different operating conditions by means of Reynolds stress turbulence model and analyzed the law of motion of vortex rope as well as the performance of low-frequency pressure pulsation and compared with field test results.

仅仅对机组的过流部件进行稳定场的CFD数值分析还不足以解决所有与水轮机水力稳定性有关的问题，因此在本论文的最后，采用雷诺应力湍流模型对真机尾水管在不同运行工况下进行了非稳定场的CFD数值解析，分析涡带的运动规律及其产生的低频压力脉动特性，并与真机的试验结果进行了比较，结果比较吻合。

Modifications of the tube shape in a typical 3.6 · 2.1 industrial in-line tube bundle arrangement were considered initially and thus an elliptic and a drop-shaped arrangement were examined numerically and experimentally in terms of thermal and hydraulic characteristics as well as particle deposition rates.

管形的修改在一个典型的3.6 · 2.1 工业在网上管束的安排被认为是最初，从而椭圆和一个下拉型安排的数值研究和实验的热和水力条件特点以及粒子沉积速率。

Modifications of the tube shape in a typical 3.6 · 2.1 industrial in-line tube bundle arrangement were considered initially and thus an elliptic and a drop-shaped arrangement were examined numerically and experimentally in terms of thermal and hydraulic characteristics as well as particle deposition rates.

管形的点窜在一个典范的3.6 · 2.1 工业在网上束缚的安排被以为是起首，从而椭圆和一个下拉型安排的数值查究和实行的热和水力条目特征以及粒子沉积速度。

This paper presents the technical requirement machining of numerically controlled engine lathe,and analyzes the principle of the procedure dividing in the machining,and illustrates the principle of how to confirm the machining path.

简述了数控车床在加工零件时的工艺要求，分析了数控车床加工工序的划分原则以及举例说明了加工路线的确定。

Our company was established in 1982 ,possesses finish machining equipment numerically controlled machine ,engine lathe,high precision instrument lathe ,thread-rolling machine ,hobbing machine and milling machine etc ,specializes in producing textile machinery fittings,hydraulic fitting pipe ,automobile and moto-rcycle fittings and plastic fittings etc .

我公司创建于1982年，拥有数控车床，普通车床，高精度仪表车，滚丝机，注塑机，磨床，锯床，铣床设备等各种精加工设备，，专业生产液压管接头，纺织机械配件，汽摩配件及塑料配件等，产品销往全国各地，并通过外贸公司远销海外市场。

Fire smoke movement in large atriums and in the surrounding structures was analyzed numerically.

采用数值模拟的方法，对大空间中庭结构内火灾及周边房间火灾的烟气运动情况进行了分析。

Unsteady cavitating flow around a disc cavitator and its drag characteristics were studied numerically using the filter-based model.

应用基于滤波器的湍流模型对绕圆盘空化器空化非定常流动和阻力特性进行了数值计算和分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了