速度冲击

本文的基础是所谓首程显峰，假定即系统在速度冲击V下的响应峰值dm和am出现在第一行程中。

α am < α am , Throughout this paper , we assume that the peak values of response occur on the first stroke of the system motion .

以9.1m／s及10.0m／s速度冲击后宏观可见心脏挫伤，微观心肌挫伤改变明显，实验观察60min内心肌血管内皮损伤处已有血小板粘附集聚甚至血栓形成，心肌超微结构损害严重。

At impact velocity of 9.1m/s and 10 . 0m / s macroscopic cardiac contusions in associated with evident microscopic lesions were demonstrated . Platelet aggregation or thrombus formation occurred at the site of injured vascular endothelia . More severe ultrastructural damage was found .

高加速度冲击下固体推进剂药柱轴向形变的数值模拟

Numerical simulation for the axial deformation of solid propellant grains under the high acceleration shock

磨料颗粒以等效流体射流相同的速度冲击金属套管。

Abrasive particles impact on the metal adapting pipe at the same rate of the equivalent fluid jet .

不同速度冲击下，弯曲波动阶段表现为传播的弯曲波幅值增加，将引起结构响应阶段的相变含量分布不同。

The amplitude value of the flexural wave will increase as the impact velocity increasing , which will lead to distribution of the martensite is different .

高速铣削加工中圆弧过渡刀具补偿方法具有补偿曲线平滑、速度冲击小、加工表面质量好等优点。

Arc transition tool compensation ( ATTC ) technology has the merit of smooth curves , low strikes , and high surface precision in the field of high speed milling .

采用液压冲击方式，驱动冲击头以一定的速度冲击联接光学元件的冲击滑台，使光学元件产生满足技术指标要求的冲击加速度峰值与脉冲宽度。

Driving the Impact head impact the slide which joins a certain optical components in a speed by means of hydraulic impact , to generate the peak acceleration and pulse width that meet the requirements .

21世纪西方意识形态以前所未有的速度冲击着我国高校学生的世界观、人生观和价值观，也直接冲击着他们所接受的社会主义核心价值观和中国特色社会主义理论体系的教育。

The 21st century , western ideology is attacking Chinese university students ' world outlook , the outlook on life and the values at an unprecedented speed , also is directly attacking the socialism core values and the Chinese characteristic socialism theory system education which they accept .

根据复合材料冲击试验的特点和技术要求，完成了配套的冲击试验装置（FS冲击试验机）的研制，解决了对速度和冲击载荷两个参量同时进行实时采集的技术难题。

According to the peculiarity and technical requirement of the composite laminates , the FS blowing machine was manufacture , which can gather two parameters at one time : blowing velocity and force .

推导了球磨机中磨球的最大冲击速度和冲击功计算公式，依据Hertz弹性接触理论计算了磨球的最大冲击应力、冲击接触时间以及冲击接触区直径。

The maximum impact velocity and impact energy are determined . Based on the Hertz elastic contact theory , formulas to calculating the impact stress , the contact duration and the radius of the contact area are deduced .

基于实验结果和冲击波理论，研究了UHMWPE纤维复合材料受冲击时的表观破坏形态和微观损伤机理以及靶板面密度、冲击速度、冲击方式等因素对材料防弹性能的影响规律。

Based on the test result and the impact wave transmission theory , the surface damage status and micro crack mechanism of the UHMWPE composites under impact and the influence of butt area density , impact speed and impact method on the ballistic resistance performance are studied .

冲击破碎机冲击速度、冲击时间和破碎力的确定

Determination of impact crusher 's impact velocity , impact time and breaking force

打击速度对冲击性能的影响

Effect of Striking Speed on Impact Property

从而进一步给出了临界角速度与冲击速度和冲击角度所满足的定量关系。

Furthermore , the variation of critical angular velocity with the impact velocity and impact angle was presented .

井用计算机模拟计算不同间隙及织针初始飞离工作表面速度对冲击力的影响，计算结果与实验结果相吻合。

Effects of backlash and initial velocity of needle on the working face are simulated on the computer .

在此基础上，对柔性双摆系统进行仿真计算，得到了撞击力变化规律，并揭示了横向变形和角速度在冲击波传播过程中的突变现象。

The result shows the sudden change of angular velocity and the transverse deformation during the course of impact wave propagation .

在数值模拟中研究了桥上路面不平顺、桥梁损伤、汽车参数和汽车速度对冲击系数的影响。

Effects of road-surface roughness , bridge damage , vehicle parameters and vehicle speed on the impact are studied with numerical simulations .

每一次在游戏中碰撞到物体就会等到积分奖励，不同的速度和冲击角度得分各不相同。

I points are awarded for every collision with objects in the game , depending on the speed and angle of impact .

通过数值计算和分析，给出了临界速度与冲击质量、线性强化模量及临界时间间的关系。

By numerical computation and analysis the relationship among critical velocity and impact mass , hardening modulus , buckling time was given .

通过试验分析，建立了在不同圆锥头子弹以临界破裂速度正冲击下，金属薄板的破裂模式和子弹圆锥半角及金属薄板材料性能的关系。

A failure map was established to distinguish these rupture modes according to the cone half-angle of the missile and the target material properties .

布置47根接触电探针以确定2169钢和标准材料中的冲击波速度以及冲击波阵面形状。

An array of47 electrical pins was used to determine the shock velocities in the standard , in the2169steel sample , and the shape of the shock front .

龙卷风以每小时300千米（200英里）的速度持续冲击着大楼，不费吹灰之力就撕裂了泰勒手术室的外墙。

The tornado buffeted the building with winds blowing at 300 kilometers ( 200 mi ) per hour , tearing the outside wall right off of Taylor 's operating room .

当管道埋深较浅时，落石冲击速度对冲击深度的影响很明显，随着管道埋深加大，落石速度对冲击深度的影响逐渐减小。

When the pipeline depth is shallow , impact velocity of rockfall affects penetration depth apparently , as depth of pipeline increase , the effect of impact velocity on penetration depth gradually decrease .

随着internet网在全球的迅猛发展，IP电话以它惊人的速度猛烈地冲击着传统电话业务，并有着巨大的发展空间。

Along with the rapid expanding of Internet world wide , IP telephone has impacted the traditional telecom business fiercely with a tremendous space for developing .

分析表明：在低速冲击荷载作用下梁的变形与其动力特性、冲击体与梁的质量比Ms/Mb，冲击速度V0、冲击时间和冲击体形状密切相关。

The analysis shows that the beam deformation is related to its dynamic behavior , the mass ratio of the impact body to the beam M_s / M_b , impact velocity v_0 , impact time and the shape of the impact body .

冲击速度对冻土冲击韧度的影响

Effect of Pendulum Speed on Impact Toughness of Frozen Soil

滑坡型泥石流速度快，冲击力强，破坏性大。

It is characterized by high velocity , strong striking force and severe destruction .

位移、速度和加速度冲击响应谱

Displacement velocity and acceleration shock response spectrum

建立混凝土的喷射特性分析模型，确定混凝土射流截面上的速度，射流冲击力分布规律。

Establish concrete of the injection characteristics analysis model and determine regularity of speed , jet wallop distribution .

内冷却器对钢液的流动影响很大，可以减缓钢液的流动速度，减少冲击深度，并能使钢液的流动更加均匀，提高铸坯质量。

Inside-cooling apparatus can improve the billet quality due to relief the flow velocity and more homogeneous flow of liquid steel .