查询词典 vibration point

This paper takes dynamic ice force function as the cut-in point to solve theice-induced structural vibration.

本文以确定冰激结构稳态响应下的激励函数作为解决冰激振动的切入点。

One, the physical quantity that the fundamental point that the physical quantity that describes mechanical vibration and mechanical wave is proposition of the university entrance exam describes physical quantity of simple harmonic motion to the; such as amplitude, periodic, frequency, speed, acceleration, phasic, phasic difference describes mechanical wave has amplitude, wavelengh, velocity of wave, periodic, frequency to wait.

一、描述机械振动和机械波的物理量是高考命题的基础点描述简谐运动物理量有振幅、周期、频率、速度、加速度、相位、相位差等；描述机械波的物理量有振幅、波长、波速、周期、频率等。

The characteristics of vibration in a submerged double shell connected by annular plate drived by a point force in inner shell is studied.

对水下由环形肋板连接的有限长双层柱壳在点激励下的稳态振动特性进行了研究。

Consisting of the protracting graph of hydrogen-like atom"s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, Bravias"s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, Computer Simulation of Phase Analysis by X-ray Diffraction.

内容包括类氢原子角度分布图的绘制，分子轨道对称性和反应机理的微机模拟，分子点群和对称元素显示，分子振动运动的微机模拟，布拉维晶格和晶格转化，平面点阵抽取，立体点阵抽取，等径网球的密堆积和金属单质结构，不等径圆球密堆积和典型离子晶体结构，X射线多晶衍射的微机模拟十个子模块。

By combining these indices with seven thermodynamic properties reported in literature of such PCBs, including standard entropy (S0),standard enthalpy(H0),standard free energy(G0),total energy,thermal energy correction,zero-point vibration energyand constant volume molar heat capacity (C0V), a series of quantitative structure property relationship .

本文在前面工作[13-14]的基础上，建构了一种新的定位指数mW及基团对应指数D，用mW结合D与多氯联苯的热力学性质进行关联，建立了良好的预测模型，取得了与文献方法[15]同样优良的估算和预测结果，而本法采用的变量较少，计算也较为简便。

Based on frequency spectrum of each point, amplitude spectrum of structure-borne noise and testing results of air-borne noise, the authors analyze the vibration characters and latent faults of double-ring gear reducer, coming to the value and the cause of the noise, providing theoretical basis f...

结合各测点频谱图、结构噪声幅值图谱和空气噪声测试结果，分析了双环减速器振动特性及可能存在的故障，得出其噪声值和噪声产生的原因，为设计双环减速器，减小其振动噪声提供理论依据。

To obtain more accurate energy result, stationary point energies were calculated. The vibration analysis and the IRC analysis testified the authenticity of intermediates and transition states.

振动分析和IRC分析结果证实了中间体和过渡态的真实性，计算所得的键鞍点电荷密度的变化情况也确认了反应过程。

The paper also simulate the vibration response of frame when suspension point were changed, which indicates, through comprehensive consideration with the mode of frame, that it can get better oscillation damping affection to position the suspension points to the node of mode shape.

本文还在模态集成模型上模拟分析了发动机悬置点的变化时车架振动响应，表明通过与车架的模态综合考虑，把发动机的位置变换到车架模态振型的节点位置也有较好的减振效果。

Simulation results of winding current wave under different frequencies show that much harmonic is generated in the winding currents because of the gap variation, and an enough amplitude of vibration can be obtained near the syntony point.

对不同频率下绕组电流波形的仿真结果表明，在发生谐振的时候，系统气隙的周期变化会在电流中产生很多谐波，并在谐振点附近可以获得足够的振幅。

There exists transition point in the free vibration of revolution shells at some special frequencies.

旋转薄壳的自由振动在特定频段存在转点现象。

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。