查询词典 constant acceleration

For a given mechanism, the coupler points passing through two acceleration poles are the double points on the loci of acceleration poles described on the coupler plane. Furthermore, the two mechanisms with a coupler point tracing through two acceleration poles are synthesized by utilizing the derived parametric equations.

接著，利用耦杆平面之加速度极心轨迹的交点，作为机构中可通过两个加速度极心的耦杆点，并且配合已推导出来之参数式，合成通过两个加速度极心的机构。

The results show that,(1) the ion acceleration and energization mainly occur in the middle of dipolarization at distance of -12 R to -8 R,(2) the ion acceleration and energization along the direction perpendicular to magnetic field are faster than along parallel direction,(3) variations of speed and energy for lighter ion are faster than that of heavier ion,(4) the higher the initial energyis, the faster the ion acceleration is, and the more energy is obtained by the ions.

主要结果为：(1)离子的加速及能量变化主要发生在磁场偶极化过程的中期，对应的地心距离位於-12R到-8R之间；(2)垂直於磁场方向上离子加速及能量变化较快，平行方向上较慢；(3)轻离子较重离子加速及能量变化快，磁场偶极化终结，3种离子的能量均可增加200倍左右；(4)初始能量较高时，离子加速及能量变化较快，离子最终获得的能量较大。

Therefore, the acceleration damp in concrete, the lateral and longitudinal propagation law on the acceleration in concrete, and relationship between acceleration and slip forming quality were tested and analysed theoretically and regressively.

本文因此就滑模摊铺过程中加速度在混凝土中的衰减、横向和纵向传播规律以及与成型质量关系进行了试验、理论分析和统计回归分析。

Test results are as follows: Ballastless track structures can effectively improve the dynamic action of train loads on subgrade beds, the measured stresses and acceleration rates are far smaller than those measured with ballasted track structures; axle loads have remarkable influence on dynamic stresses of ballastless track subgrades and have some influence on acceleration responses; speeds of either motor car units or freight trains all have limited effect on dynamic embankment responses; after attenuating over 3 meters high embankment, neither dynamic stresses nor acceleration rates are influential to net cushions at the bottom of column-net structure subgrades

结果表明：采用无砟轨道结构可以有效改善列车荷载对路基基床的动力作用，测得的动应力与加速度值均远小于有砟轨道结构测得的值；列车轴重对无砟轨道路基的动应力影响明显，对加速度响应也有一定影响；无论是动车组还是货物列车，其运行速度对路堤部分的动响应影响均有限；动应力与加速度经3 m 高的路堤后衰减，对桩网结构路基下部的网垫层已基本无影响。

The acceleration of penetrator weapon when it irrupts into ground firm substance is twenty thousand times to hundreds thousand of times of gravity acceleration, the acceleration sensor that was required not only oppugns work circumstance but also identifies the process of concussion and irruption.

不能下载请报告错误，谢谢软件简介：侵彻武器穿入地面等坚硬物质的加速度可达重力加速度的2 万倍至几十万倍，要求所用加速度传感器既能抗击该工作环境，又能识别冲击与钻入的整个过程。

The acceleration of piston has the sine acceleration,through calculation and analysis,gets that the piston′s displacement,speed and acceleration are all continuous.

通过计算与分析，可以得到活塞位移、速度和加速度均连续的运动规律。

This paper discusses the calculation formula of outline for disc cam about roller follower of linear motion along the axis,it analyses the maximum angle of pressure and position for disc cam,from several ordinary motions of follower constant speed motion,constant acceleration and constant deceleration motion,simple harmonic motion and pendulum motion.

从从动件几种常用运动规律—等速运动、等加速等减速运动、简谐运动和摆线运动入手，讨论了对心直动滚子从动件盘形凸轮廓线长度的计算式，分析了盘形凸轮的最大压力角及其位置。

If the acceleration is constant, what is the value of the acceleration?

如果加速度是恒定的，则加速度的值是多少？

This could be mapped on to a clock acceleration theory, which means all clocks would be changing in relation to a constant acceleration.

这个结论可以被映射到时钟加速理论上，意味着所有的时钟都会有变化，这种变化跟一个常值加速度有关。

First, by the composition theorem of acceleration of influence move, strict mechanical analysis and accurate mathematical computations, we have acquired the presentation formula of acceleration of the movable mass of the gyroscope rotating in a constant angular velocity in an inertia coordinate system.

利用牵连运动的加速度合成定理，通过严格的力学分析和严密的数学演算首先得到其活动质量当陀螺仪在惯性坐标系中作定常角速度转动时的加速度表达式。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。