查询词典 conical pendulum

By experiments, it is proved that the parabola method is faster and more precise than the golden section method and the Fibonacci method in searching for extremum of compound pendulum. Furthermore, the method can offer some references for the study of other extremum in physics.

文章通过实验采集数据并加以分析，证明了抛物线法搜寻复摆极值点比黄金分割法和Fibonacci法有更好的搜寻效果，并且该方法对于搜寻物理学中其它极值点问题具有参考价值。

The crank and rocker mechanism is very important t o the compound pendulum jaw crusher.

在对复摆颚式破碎机曲柄摇杆机构进行运动分析的基础上，以排料口处动颚特性值最小为优化目标，建立其优化设计数学模型。

There are many type of jaw crusher used in our country, Compound pendulum jaw crusher structure is simple, easy to manufacture, reliable, convenient use of maintenance , so jaw crusher is used very common.

国内使用的颚式破碎机类型很多，复摆颚式破碎基结构简单，制造容易、工作可靠、使用维修方便，所以常见的还是传统的复摆颚式破碎机。

The compound pendulum of alterable centroid has extremum of period which can be searched for by the golden section method and the Fibonacci method under laboratory condition.

钟摆式复摆的质心可以变化，因此具有极小周期点位置，在实验室条件下，这个极值点可以采用黄金分割法和Fibonacci法来搜索。

In this article, we will use this novel finite particle method to analyse several important and interesting dynamics problems in neat/insighting style, including the maximum and minimum period problem of the compound pendulum oscillation, plane impact problem and the spin and precession direction problems of the oblate and prolate satellites.

本文将透过先进的有限质点法，以极简的风格来分析几种重要而有趣的动力问题，包括复摆的最大及最小周期、刚体的角碰撞问题、薄碟型人造卫星公自转反向问题以及细长型人造卫星公自转同向问题。

Key words:incremental revolving encoder;compound pendulum;impulse;slow loading;impact loading

本文分析了编码器的基本特征，建立了一套以编码器为核心的复摆冲量测量系统，给出了编码器在冲量缓慢加载阶段复摆系统参数标定及冲击加载阶段最大摆角测量的应用结果。

A lens and a paraboloid nozzle were used to focus pulsed CO2 laser and generate impulse.Effects of single pulse energy on impulse coupling coefficient was studied with a high-accuracy compound pendulum and a light figure system.Extension range of pulse energy from 5 J to 70 J was obtained through adjusting working voltage of the laser and energy attenuation of silicon combinations in the experiment.

利用透镜聚焦，抛物面喷管约束，结合复摆和光指针测量系统研究了单脉冲能量对吸气式激光推进冲量耦合系数的影响，实验中通过调节激光器工作电压和硅片衰减实现了脉冲能量5-70 J范围的有效拓展；进一步采用纳秒分幅高速相机拍摄了24 J能量下的流场纹影照片。

The approximate linear model of the three-string pendulum and its computational formula for the moment of inertia are discussed.

对三线摆的线性近似模型和转动惯量计算公式的由来作了简要说明。

This concept was based on the n ive notion that the pendulum would "fall over" as the rocket turned at the peak of the trajectory.

这个概念的基础上， n ive概念，即钟摆会"跌倒"作为火箭拒绝在高峰期的轨迹。

If every heartbeat, every swing of a pendulum, every unfolding of wings of a cormorant are all harmonized together, how could a traveler know that he has passed to a new zone of time?

如果心的每一跳，钟的每一摆，鹈鹕翅膀的每一扇动都那么和谐，旅行者又怎么知道他进入了新的时域？

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。