查询词典 damping

The invention concerns a vibration damping device comprising an element converting mechanical energy into electrical power mounted on a base designed to be fixed on a structure to be damped. Said converting element comprises an electrodynamic motor including a coil (20) mechanically connected to the base (1) and a magnetic circuit suspended by at least a spring (22), and the coil (20) is coupled with an electric charge having a resistive component and it includes a control device for varying the value of said resistive component based on at least two values.

本发明涉及一减震装置，所述装置包括一种把机械能转换为电能的能量转换装置，所述装置可安装在待减震结构的底座上，其特征在于，所述转换装置包括一电动机，所述电动机有一线圈(20)及一磁路，所述线圈采用机械方式连接底座(1)，所述磁路通过至少一根弹簧(22)悬置着，线圈(20)耦合着一具有一电阻元件的电载荷，并具有一控制装置，用于按至少两个值来改变所述电阻元件的阻值。

Some of experimental studies of the laminated rubber bearings and damping devices is investigated, their physical properties and hysteretic restoring force models are analysed.

通过对国内、外有关叠层橡胶垫和阻尼器的试验研究进行考察，分析了其恢复力模型和滞回性能参数。

It is concluded theoretically that when the signal pickup microphone is placed on one of these points, a corner in a rectangular room for example, any increment in open-loop gain of the secondary system will multiply the damping of reverberant sound field.

只要把次级系统的信号拾取传声器置于这类特征点上，比如在矩形空间中三面相交的墙角处，则次级系统开环增益的增大，就相当于增大了整个混响声场的阻尼。

More stories are added to a multi-storey RC frame using lead laminated rubber bearings. A program is developed with MATLAB language to conduct elastic-plastic time history analysis, according to the optimization results of lateral rigidness and damping ratio of isolation layer based on energy criterion, and two real ground motion records and a synthetic record are input.

结合一幢多层框架结构应用铅芯叠层橡胶支座进行加层改造的工程实例，在对隔震层的抗侧刚度和阻尼比基于能量准则进行优化的基础上，利用Matlab语言编制了弹塑性时程分析程序，输入两条实际地震动记录和一条人工波。

For the reason of noise control, we studied method of the improvement smooth running criterion and the damping ring in the high speed gear design.

此外，进行了一系列结构改进，对高速齿轮采取提高平稳性指标和采用阻尼环相结合的办法以降低振动和噪声。

Wantong Wenzhou Pump Co., Ltd., is a professional engaged in the production of fuel injector, tappet, up tight, and the damping plate, rocker arm, such as auto parts companies, in particular fuel injector technology, our company through years of research and exploration A number of technical personnel through the above efforts do not try and experiment, and finally mastered the production of fuel injector technology and methods.

温州市万通泵业有限公司，是一家专业从事生产喷油嘴，挺杆，涨紧器，阻尼板，摇臂等汽车配件的公司，尤其是喷油嘴技术，我公司经过多年的研究和探讨，通过多位技术人员的不段努力尝试和实验，终于掌握了制作喷油嘴的技术和方法。

In the analysis, a nonlinear wave vibration equation of the thin cylindrical shell including damping and items due to geometric nonlinearities was established and then transformed by Galerkin's method. With different combinations of modes different nonlinear differential equations in modal coordinates were obtained. The Runge Kutta method was used to solve the equations numerically and some features of nonlinear wave vibration were discussed.

在研究过程中，首先，考虑阻尼并引入几何非线性项，建立薄壁圆柱壳的非线性波动方程，然后，采用Galerkin方法对波动方程进行转换，选取不同的模态组合，得到相应模态坐标下的非线性微分方程，最后用Runge-Kutta法进行数值计算并对圆柱壳的非线性波动振动特性进行了分析。

By analyzing the result, three most main factors influencing the calculation accuracy are found: the constitution of wave scatter diagram, interpolating the irregular wave and the estimating of roll damping coefficient.

通过分析计算结果提出了影响计算精度的三个最主要的因素：海浪能量谱的构成、不规则波的合成方法、横摇阻尼的估算。

In spite of this, but the shaft of the X340 screen or control the damping force is very good, smooth adjustment process easy, accurate control of the screen angle can adjust to support the angle of 160 degrees Celsius.

虽然如此，但是 X340屏幕转轴的阻尼力还是控制得非常好，调节过程顺畅轻松，屏幕角度控制准确，可以支持160度左右调节角度。

Screen enclosures and the use of body-axis connection纯钢made of the damping degree of compaction to ensure that the screen at any angle, even if in use by a sudden accidental collisions will not share.

屏幕上盖和机身的连接轴采用纯钢制成，紧实的阻尼度可以保证屏幕维持在任何角度，即使在使用中受到意外碰撞也不会突然合住。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。