碰撞

By using damping force between steel and columniation after pre-deformation, adjusting the type, quantity, length and position of the steel bar, and changing pre-deforrnation of the steel bars, all kinds of deceleration curves can be repeated.

介绍了自行设计的汽车模拟碰撞吸能器的特点及原理，利用LS—DYNA有限元分析软件对吸能器的波形复现原理进行了仿真分析，利用销柱间钢筋预变形产生阻尼力，改变钢筋的属性并调节钢筋的类型、数量、长度和位置，改变钢筋预变形量，复现出不同车重、不同碰撞车速所期望的减速度波形。

Before and after their collision, they meet law of conservation of momentum and law of conservation of energy.

两个物体的运动轨迹相交时，将发生碰撞、干涉，在碰撞前后满足动量守恒和能量守恒定律。

For demonstrating about free fall、horizontal cast、stant cast、the conservation law of mechanical energy、the rule of collision、the formula of Centripetal-Force、simple periodic vibration and the vibration graph.etc.

能完成自由落体、平抛、斜抛、机械能守恒、弹性碰撞、完全非弹性碰撞、向心力、简谐振动、振动图象等高中力学实验。

Based on momentum balance and the law of momentum conservation, two new graphic methods are developed to determine the pre-impact vehicle momentum or collision speed in this paper.

本文根据动量平衡和动量守恒定律的基本原理，提出了两种推算碰撞前汽车动量或碰撞速度的图解方法。

For each pair of phases, specify a constant restitution coefficient.

除了为每一对颗粒相之间的碰撞指定归还系数外，你也得为同相颗粒之间的碰撞指定归还系数。

No one in the place survived the crash; it crashed down into splinters.

没有人能在那场碰撞中幸免，碰撞使一切化为灰烬。

With the J/y anomalous suppression as a signal of QGP phase transition, on the basis of absorption of nucleons and comovers, the differential cross section of J/y production in high energy heavy ion collisions under the condition of the occurrence of phase transition is derived out, and the experimental data of NA50 collaboration in Pb-Pb collisions at 158A GeV/c is analysed.

以J/y反常抑制现象为夸克-胶子等离子体相变信号，在核与随动者吸收理论的基础上，导出了有相变产生时高能重离子碰撞中的J/y微分产生截面，并对NA50合作组给出的入射动量为158A GeV/c的Pb-Pb碰撞中的实验数据进行了分析，较好地解释了实验结果。

Cezhuang crowded occur, the bulk of the collision energy must be assumed by B doorpost, but usually the horizontal edge Liang resistance capacity is limited.

侧碰撞发生时，碰撞能量的大部分必须由B门柱承担，但通常该梁抵抗横向力的能力十分有限。

However, momentum is always conserved in a collision , whether or not the collision is elastic.

然而，不管碰撞是不是弹性的，在碰撞过程中动量总是守恒的。

Using the result about colliding time in elastic collision theory and the impulse formula explained the relationship between improvement effect and hammer quality, hammer dimension, modulus of elasticity of soil.

运用弹性碰撞理论中关于碰撞时间的计算结果及强夯过程的冲量公式，解释了强夯加固效果与夯锤质量、夯锤尺寸以及土的弹性模量之间的关系。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。