查询词典 axial surface

Based on Chen's model about axial flow induced vibration of a rod bundle in an unbounded domain, a mathematical model concemed with circular domain is presented, and the expressions for fluid forces are given in detail.

三、基于Chen关于无界域轴向流动中棒束流致振动的模型，推导了有界域棒束轴向流致振动的数学模型，得到了关于流体力的表达式。

This article first antenna, microstrip theory, the circular polarization technology, the theoretical discussion, in this based on the microstrip antenna of circular polarization method - corner square microstrip antenna, and has done a design simulation , and then do the design and further research to improve and eventually get a resonant frequency (S11 reflection coefficient corresponding to the minimum frequency) for the 1.5GHz and 1.43GHz, the frequency of circular polarization for the 1.46GHz, S11 is less than -10dB relative bandwidth, the VSWR is less than 2 is about 8.8% relative bandwidth, axial ratio less than 3dB relative bandwidth of about 2.2% of the right circular polarization microstrip antenna design case, which proved very good the circular polarization microstrip antenna theory, also fully confirmed by a square corner design is a practical program, and select the appropriate regulation of sticks is indeed able to improve the performance of the antenna.

本文先对天线、微带理论、圆极化技术等进行了理论论述，在此基础上，提出圆极化微带天线的实现方法——切角方形微带天线，并对此做了设计仿真，后又对这一设计方案做了改进及进一步研究，最终得到一个谐振频率（反射系数S11 的最小值所对应的频率）为1.5GHz和1.43GHz，圆极化频率为1.46GHz，S11 小于-10dB 的相对带宽、驻波比小于2 的相对带宽约为8.8%，轴比小于3dB 的相对带宽约为2.2%的右旋圆极化微带天线的设计案例，从而很好的印证了圆极化微带天线理论，也充分证实了切角方形是一种切实可行的设计方案，而选取合适的调节枝则确能提高天线的性能。

An exact solution of velocity distribution for Couette shear flow in a non circular conduit with axial symmetry section is obtained in this paper.

从N S方程出发，得到了轴对称异型断面管纯剪切流动速度分布的一般解，进而推出了纯剪切流动有限宽度矩形断面管的速度分布和流量计算公式，证明了库特剪切流是有限宽度矩形断面管当宽度趋向无穷大时的一种特例。

Characteristics of axial light intensity of planar wave diffractedby small circular aperture.

陈建农，闫金良，王德法，于永江，"受孔径约束抛物面折射系统的分数傅里叶变换"，中国光学快报 5，

The European Axial Coffer is now adage it will afresh inject added clamminess into the banking arrangement to try and ensure adherence afterwards the agitator attacks.

欧洲中央银行说它将再次向金融系统注入资金，以保障这次恐怖袭击后的金融稳定。

It shows that if confined pressure σ3 and temperature T are constant, theeffect of axial stress σ1 on creep and creep rate is similar to that of clay stone.

通过对盐岩进行的不同温度和应力水平下的三轴蠕变试验表明，在围压σ3 和温度 T 不变时，轴压σ1 对蠕变和蠕变率的影响与泥岩相同。

Accretion of aduct-diameter and emission speed also can freeze more axial area, but for the influence of radial thickness close-by orifice ,it is less.

管径和出口流速增大均能使结冰区域的轴向范围增大，但对近排放口处的厚度影响较小。

The cable now needs to contain 3 normal 24 gauge conductors and 1 small co-axial cable.

这种电缆需包含3个正规的24个XXX（3 normal 24 gauge 我也不明白）和一个小的同轴电缆。

Micable will provide high performance and low cost microwave co-axial cable assemblies for Chinese and global customers.

迈可博电子科技有限公司的成立是美国的高技术与中国的低制造成本完美的结合，通过美国SSI CABLE CORPORATION公司和福州伟博电讯有限公司在国际和中国的完善的市场营销网络，可以为全球的微波射频同轴电缆组件用户提供高性能、低成本的产品解决方案。

MICable Inc. is a high-tech enterprise formed by SSI CABLE CORPORATION of the USA to manufacture and sell microwave co-axial cable assemblies.

迈可博电子科技有限公司是美国SSI CABLE CORPORATION公司在华成立的生产经营微波射频同轴电缆组件的高新技术企业。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。