查询词典 stiffness

A dynamic spinal stiffness assessment being conducted over the L4 spinous process using a modified spinal manipulation device.

脊柱的动态刚度评估正在进行腰椎棘突设备在使用过程中修改脊柱推拿。

The addition of triple wiring to the spinous processes does not significantly increase lateral mass construct normalized stiffness.

三道棘突钢丝的捆扎并不能加强侧块螺钉固定结构的强度。

Radiographic images of lumbar disc height have been compared to dynamic stiffness assessments obtained over the spinous processes of the respected vertebrae.

椎间盘高度的腰椎X线影像进行了比较尊重的动态刚度脊椎骨评估过程所得到的比棘突。

It analyses the influence of support stiffness on critical speed and unbalance response and vibration characteristics of the spiral bevel gear train system.

讨论了支承刚度对系统临界转速及不平衡响应等振动特性的影响，得出一些规律性结论，用以指导齿轮传动系统的设计。

Joints are modeled by spring and rigid beam elements based on their mechanical properties, and the stiffness of five typical joints are calculated.

根据接头的力学特性，利用弹簧单元和刚性梁单元对接头进行了模拟，计算了车身5种典型接头的刚度。

The frequency characteristics of this system are related to two ratios: the ratio of the beam and rigid hub inertia J＇, the ratio of the torsional spring and beam bending stiffness K＇.

实验和理论分析均表明，刚柔惯量比J＇和刚柔刚度比K＇对系统的频率有着重要的影响。

Design and Calculation of parallel connected machine tool single spur track ;2. The stiffness of the single spur track directly influences on the capability of the parallel machine tool.

为探讨并联机床单支路的刚度对并联机床性能的影响，利用ANSYS软件对并联机床的单支路进行静刚度有限元分析，找出了并联机床单支路的应力集中处，得到了单支路所加载荷与丝杠受力之间的关系，改进了单支路的结构设计。

To obtain the approximate solution, the pressure acting on the gate is divided into two parts, one is the fluctuating pressure of the flow underneath the stationary gate, which is investigated with experiment; the other is the hydrodynamic pressure due to the vibration, which is equivalent to the attached mass matrix, damping matrix and stiffness matrix of the equation.

为了获得方程的近似解，本文将作用在闸门上的水动力荷载分为两个部分，一是闸门无振动时的水流压力，用水力模型试验测定；二是由于闸门振动引起流场扰动的动水压力，通过运动方程中的附加质量阵，附加阻尼阵和附加刚度阵来等效。

Both motor car and each trailer of HST were modeled as a multi-rigid-body system with two suspensions, and LVT was modeled as an assembly of track segment elements with 24 degrees of freedom. The vertical vibration matrix equation of the system was established on the basis of the principle of the total potential energy with stationary value in elastic system dynamics and the rule of "set-in-right-position" for formulating system matrixes, and then Wilson-θ numerical integration method was used to solve the problem. The dynamic responses of the system were calculated when the train runs at the speed of 200 km/h. And the effects of vertical stiffness of rail fastener and block pad on vertical vibration responses of the system were investigated.

其原理是：将高速列车的动车和拖车模拟为具有二系悬挂的多刚体系统；将弹性支承块式无碴轨道模拟为具有24个自由度的轨段单元的集合；基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则，建立此系统竖向振动矩阵方程，并采用Wilson-θ数值积分法求解，计算速度为200 km/h时此系统竖向动力响应，研究轨道刚度对此系统竖向振动响应的影响规律。

Solve this problem, the best way is to turn valve stem with a tour, or rotary type control valve, and its thick stem stroke than a straight stem 2 to 3 times, and use long life of the graphite packing, valve stem stiffness Good, filling long life, but its friction torque is small, poor little back.

解决这个问题，最好的办法就是用旅转阀阀杆，即角行程类的调节阀，它的阀杆比直行程阀杆粗2～3倍，且选用寿命长的石墨填料，阀杆刚度好，填料寿命长，其摩擦力矩反而小、回差小。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。