查询词典 damping-off

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。

The inherent frequency of the stretcher bed is 2.7 Hz, which is out of the sympathetic vibration area of decubital body. Through adjusting and optimizing the stiffness and damping of vibration reduction equipment, the stretcher bed is more comfortable.

该担架床的固有频率为2.7Hz，避开了与卧位人体的共振区，并且可通过调整、优化担架床减振装置的刚度和阻尼，改善乘员的乘坐舒适性。

The characteristics of damping plates with mixing the rubber powder instead of synthetic rubber and resin were studied in this paper.

根据胶粉的混炼特性和硫化特性，通过实验探讨了它在阻尼板材中的应用，研究了胶粉用量对产品性能的影响。

When the speed of cam is increased,the hydraulic tappet stiffness value and damping are reduced.Then the effects of the regular patterns are analyzed.

其液压挺柱的刚度值和阻尼系数值随凸轮轴转速增加是减小的，并分析了形成这种规律的机理。

An investigation is made of the damping effect of EHD oil film in cam—tappet contact surface to the exciting vibration caused by error of cam profile.

在考察弹流油膜动力学效应的同时，讨论了凸轮—挺杆表面弹流油膜对由凸轮轮廓误差产生激振的阻尼作用。

The values of stiffness and damping of hydraulic tappet are used in the two masses dynamic model.The results of calculation and measurement are identical fundamentally.

将测得的刚度值与阻尼系数值带入作者所建立的BN489Q汽油机液压挺柱配气机构二质量动力学模型中，计算结果与实测结果基本一致。

At first in the preliminary design this paper computes the linear damping coefficient of the viscous damper employed in this project using Composite Response Spectra approach, meantime, this paper proves that reducing the exponent of velocity of the piston can increase the magnitude of the dissipative energy, because of the viscous damper employed in the practical project character nonlinear behavior; next this chapter performs analysis and comparison between the building without and with the viscous dampers aforementioned when the building suffers from various Time Domain Response, from the angle of displacement, interstroy drift, velocity, interstory velocity, acceleration, energy, maximum axial force of the dampers and of the column etc., in order to prove that the incorporating the viscous dampers into the buildings has great superiority on enhancing its aseismic performance ; furthermore, this chapter also expatiates on diverse assembly form of the viscous dampers that results in the adverse impact on the internal force of the structural member in this building, on the ground of which this segment bring about the preference of the assembly form of the viscous damper; finally this chapter points out the sphere of application of the analysis and computation using Composite Response Spectra approach in design: it is available in well-proportioned stiffness structures and isn抰 available in the structures that contain weak story. It is recommendable, particularly, to incorporate the fluid viscous dampers into this structure that contain weak story to refrain earthquake and reinforce, such as the Central Hall of Shanghai Exhibition Hall.

首先使用了反应谱分析法设计出欲附设的粘滞阻尼器的线性阻尼系数，由于实际工程所用的粘滞阻尼器具有非线性的特性，故而笔者又证明了降低速度指数对提高粘滞阻尼器的耗能量的优势所在；接着分别从位移、层间位移、速度、层间速度、加速度、能量、最大阻尼出力和柱轴力等不同的角度对结构在附设粘滞阻尼器前后的时程反应进行了分析对比，籍此在实际工程中证明了附设粘滞阻尼器对于提高结构的抗震性能的优越性；再者，笔者还阐述了采用不同的粘滞阻尼器布置方式对结构中构件内力特别是柱轴力和基座竖向反力产生的不利影响，并在此基础上提出了布置方式的优选；最后，指出了反应谱法在设计中的适用范围：对于均匀结构反应谱法能够使用，而对于含有薄弱层的结构反应谱法并不适用；对于类似于上海展览馆中央大厅的含薄弱层的结构尤其值得使用粘滞阻尼器的方法进行抗震加固。

When autoloading,the stiffness coefficient and damping coefficient of the torsion spring have influence on ejecting force so as to affect the result of ejecting process.

自动装弹时，扭簧的刚度系数和阻尼系数会影响抛壳力的大小，从而影响抛壳过程能否顺利完成。

The feedback effect of viscous heating on fluid damping force is considered based on a three-parameter model and a dynamic model including a heat transfer and energy transformation equation is developed,and the state of heat balance of the damper is discussed.

主要针对长阻尼孔形式下的流体阻尼器进行分析，在三参数模型的基础上研究了流体粘性发热对流体阻尼力的反馈作用，从而建立了含热能转换与热交换的阻尼器的动力学模型，同时对系统的热平衡状态进行了分析。

A trapezoid specimen with a quasi-uniform stress field is developed on the basis of the traditional damping experimental equipment.

在传统阻尼实验装置的基础上，开发了具有准均匀应力场的梯形等强度梁试件。

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％。