减

Phase Doppler Anemometry was applied to measuring the turbulent characteristics of drag reducing fluid.

结果表明，即使对同种减阻方式，CTAC减阻流体的减阻也存在极限和优选。

In this paper, coat is applied to the project of gas pipe flow from west to east. Thetechnique of constant temperature anemometry is used to study the mechanism ofdrag reduction for turbulent boundary layer coated on the surface of wall.

本文为了配合西气东输工程中采用管道壁面涂料减阻技术，应用热线测速技术，对风洞中壁面覆盖减阻涂料的平板湍流边界层进行减阻机理的实验研究。

A 6-RSS parallel mechanism is used as the main mechanism of six-dimension vibration absorber bemuse of its advantage on simple structure,the compact type,the high precision, easy-to-control and so on.

基于并联机构的多维减振平台系统是多维减振领域里的新理念，新突破，在减振领域有着重要的应用前景和开发价值。

This paper describes a quasi-linearization method for computing the anti-rolling behaviour of ships for the condition of the fin s saturation. In the evaluation of the lift of the fin s the interaction effects between the fin s and bilge keels, and between the fin$$...

本文给出减摇鳍装置工作在鳍角超过饱和点情况下的横摇性能计算方法，并分析了两艘装减摇鳍的船在波浪中的试验结果同理论计算结果的对比，通过理论与实际的比较说明这一方法在选择减摇鳍尺寸以及本装置在船上的布置将是有意义的，并可用来预报装减摇鳍的船舶在不规则海浪中的横摇运动性能。

Dynamic characteristic testing is applied to evaluate the damping system performance by comparing damping force, damping ratio and damping time constant on various designs.

接著对所完成的转轴涡电流减振系统进行动态特性的测试，以减振力、阻泥比和减振时间常数来评比减振系统之性能表现。

Based on qualitative analysis and comparison of several options for suppressing transverse vibration on deck type steel plate girder of railway bridge,conclusions are made as follows:with static reinforcing,the vibration amplitude can be suppressed to some extent,but quasi-resonance of the bridge can not be avoided,moreover,the construction is inconvenient and costly.

通过对目前抑制铁路上承式钢板梁桥横向振动的几种方案进行定性的分析和比较，认为：静力加固方案可以使桥梁振幅有所减小，但不能避免准共振现象的发生，而且工程造价较高，施工也不方便；两桥连接方案减振效果明显(减振率近50%)，比较经济也比较方便，但同样不能避免准共振现象的发生；动力减振方案可以有效的抑制桥梁的准共振现象(现场试验中减振率达51.83%)，而且工程造价较低，施工简单、方便。

In order to reduce the energy of that part, three kinds of pressure drop reducing structures are devised and experimented together, such as the straight stick pressure drop reduction frame, grid pressure drop reduction frame and the taper pressure drop reduction frame.

本文设计并实验了三种不同类型的减阻结构：直杆减阻框、栅格减阻框和锥形减阻框以降低排气管内的流动阻力损失。

The paper is based on the item the anti-rolling tank test setup among the school 211 key construction projects. Tank system design, control method of tank and correlation technique of simulation of the test rolling table are investigated mainly.

本论文U型减摇水舱和试验摇摆台实验研究是基于学校&211&重点建设项目&船舶减摇水舱试验装置&进行的，主要研究U型减摇水舱系统设计、U型减摇水舱控制方法和试验摇摆台模拟中的相关问题。

Test results show that the flowing resistance of ER fluid can be changed by varying its electric field,and then the damping force of ER shock absorber could be best controlled to meet the needs of vehicle's safety and comfort performance.

本文主要介绍ER流体在汽车减振器中的应用，即电流变减振器。传统的液压式减振器是一种被动形式的减振器，其阻尼力由节流阀压力产生。

From C to D double flat (= C to C, a unison, on the keyboard), a diminished second is less common than the diminished seventh or diminished fifth.

一些减音程形式并不常用。C到双降D（相当于C到C，键盘上的一度），减二度较减七度或减五度不常用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。