加速度

El Centro is input, simulation calculations are made on floating-peak tank with circular-ring energy dissipater. The research indicates this control system is effect to apply to decrease earthquake response. History time curves of displacement, absolute acceleration, shearing force and uplift angle are contrasted with and without control. The effect of sets of cirque costing-energy is discussed.

对实际应用的浮顶罐进行了数值仿真计算，所采用的控制体系具有较好的减震效果；对比了储液容器液固耦合质量无控与有控时的位移、绝对加速度和基底剪力和提离转角的时程曲线；探讨了圆环套数对减震效果的影响。

A picking arm model is established using three-dimension entity software Pro/E and the kinematics analysis and forward and reverse solution calculation of the picking arm are made using D-H method. The kinematics simulation function of ADAMS is used for the simulation analysis of the kinematics features of the forestry nut picking arm and the feature curves of displacement, velocity and acceleration of the end effecter of a machine under a specific motion status are obtained, which provides reference evidence for the motion control and the optimal design of picking arms.

利用三维实体软件Pro/E建立采摘臂模型，并采用D-H法对采摘臂进行运动学分析和正逆解计算；应用ADAMS的运动仿真功能对林木干果采摘臂的运动特性进行仿真分析，给出了机器在特定运动状态下末端执行器的位移、速度及加速度等特性曲线，为采摘机的运动控制及优化设计提供参考依据。

The impact velocity, head acceleration and encephalic stress peak during impact are important biomechanical parameters.

撞击速度、头颅的加速度和颅内压力峰值是反映颌面部撞击伤合并颅脑损伤的重要生物力学参数。

And it is verified that the simulation methods in this paper are rational and the model is feasible.(2)Using the unconditionally stable implicit Newmark time intergration algorithm, the effects of some key factors such as buried depth, condition of soil layers and the earthquake excitative orientation are studied.The results show that dynamic response of structure is considerably affected by the thickness of overburden layer, and horizontal slice is more dangerous than upright slice.

2采用无条件稳定的Newmark隐式积分法进行地震响应分析，讨论各种因素对地下结构动力响应的影响，如：结构埋深、土层分布条件和地震激励方向等，并通过对结构的应力、位移、加速度等结果的分析，发现上覆土层厚度对结构动力响应比较大，水平分层比竖向分层更容易使地下结构遭受破坏。

This text carries on the experiment, modeling and compensation to the temperature error in the flexuous gyro and accelerometer of the strapdown inertial navigation system.

本文针对捷联惯性导航系统中挠性陀螺和加速度计的温度误差进行温度实验、建模及补偿。

Moreover we formulize the optimal path according to the theory of B-spline Curve, so the path which is composed by the grid point can transform into a continuous and smooth curve. By formulizing path we can also calculate angular velocity, angle acceleration, and torque in dynamics.

另外我们根据B-spline Curve的理论将最佳路径参数化，使由格点所组成的最佳路径转换为一条连续且平滑的曲线，藉此我们也可以计算动力学中的瞬间角速度、角加速度与力矩。

Objective (1) To explore the mechanism of lung injury induced by sustained high headward gradient acceleration.

目的 (1)研究持续性高加速度导致肺损伤的作用机制。

The dissertation discusses the principle of interfereometer optic-fiber accelerometer using phase-generated-carrier and the homodyne detection technology in details.

论文详细阐述了相位载波干涉型光纤加速度计的基本原理和PGC零差检测技术。

Therefore, though it have horsehead move acceleration greater, balanced effect difference and efficiency lower, in grow stroke volume greater and heavy characteristic, but is present application as before the most extensive pumping unit.

因此，尽管它存在驴头悬点运动的加速度较大，平衡效果差、效率较低，在长冲程时体积较大和笨重的特点，但依旧是目前应用最广泛的抽油机。

This paper is also concerned with the nonlinearity measure of the PKM, which depend upon differential geometry curvature. The nonlinearity can be reflected by the curving of the solution loci and the equal interval input of joints mapping into inequable interval output of the end-effector.

从而解决了PKM设计中根据进给能力需求优化结构参数、确定关节伺服轴极限转速，以及在数控编程中由机床结构参数、关节伺服轴极限转速和加速度评价刀具进给能力的软极限的两类互逆问题。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！