摆锤

摆锤的质量在地面各处都一样。

The mass of the pendulum bob does not change from one location to another on the earth 's surface .

本实用新型利用电磁铁控制移动摆锤的轴向位置来自动控制离合器的离与合。

The utility model uses the electromagnet to control and move the axial position of the pendulum bob for automatically controlling the separation and the combination of the clutch .

测流速的摆锤有时用于确定明渠中的流速。

The Hydrometric pendulum is sometimes used to determine flow velocities in open channels .

国家标准《钢材夏比V型缺口摆锤冲击试验仪器化试验方法》介绍和述评

Steel - Charpy V-notch pendulum impact test Instrumented test method

如果所讨论的质量是一摆锤，则重要的是F的水平分量。

If the mass in question is a plumb bob , the horizontal component of F is important .

摆锤w装在一根杆上，在轴A周围垂直移动，它由螺旋弹簧F所悬挂。

W is attached to a bar , movable vertically around an axis A and suspended by the helical spring F.

质量为m的子弹，以速度v飞行，击中摆锤并嵌入其中。

A bullet of mass m , traveling with a velocity v , strikes the pendulum and remains embedded in it .

采用夏比冲击试样，用摆锤式冲击试验机对重轨钢的动态断裂韧度K（Id）进行了试验研究。

With Sharpy impact specimen , an experimental study was carried out on the dynamic fracture toughness K_ ( Id ) of heavy rail steel using a pendulum impact tester .

结合线性波浪理论，对装置进行了数值模拟。建立起装置的数学模型，结合Matlab软件对摆锤进行了运动仿真，得到了运动曲线。

The mathematical model of the device is established with linear wave theory . The simulation of the pendulum is done with Matlab software , and motion curves of the pendulum are gained .

在摆锤式示波冲击试验机上采用小角度冲击方法测试了某船用低合金钢的动态弹塑性断裂韧度J（Id）。

The dynamic elastic-plastic fracture toughness J_ ( Id ) of a low alloy shipbuilding steel has been examined by low blow test using an instrumented Charpy impact machine .

以打击点尽量靠近打击中心为目标函数，建立了摆锤优化设计数学模型，并采用FORTRAN语言编程进行了优化设计；

Aiming at the center of strike approaches to the center of percussion , the mathematical model in optimal design of pendulum is established , and the optimal design carried out by using FORTRAN language .

基于Andrews的轴承间隙动力学模型，推导了不同工况下轴承应力的计算公式，并在摆锤碰撞试验台系统上进行了仿真，并编写了仿真软件。

An equation for calculating the bearing stresses under different operating condition was derived based on the Andrews dynamic model for the bearing clearance . The equation was applied to the simulation of the impact test bench with pendulum and a simulate program was compiled .

摆锤冲击荷载下岩石动态荷载位移全过程曲线的实验技术

Experimental techniques of measuring rock complete loading-displacement curve under pendulum impact

摆锤试验机冲击吸收功的计算机测量方法

Computer Measuring Method for Absorbed Energy of Pendulum Impact Testing Machine

单摆摆锤偏心引起的测量误差分析

The Measurement Error Caused by the Eccentric Weight of a Single Pendulum

摆锤式冲击试验机用高低温控制及送样装置

Temperature controlling and specimen feeding equipment for Pendulum-impact testing machine

基于轴承间隙模型的摆锤碰撞试验台仿真研究

Simulation of impact test bench with pendulum based on bearing clearance model

冲击试验机摆锤测重仪四角误差调修原理

Four Angle Error Adjustment Principle of Shock Tester Pendulum Weightometer

商用车摆锤正面撞击试验和仿真

Frontal Pendulum Impact Test and Computer Simulation of Commercial Vehicles

矢量网络法在摆锤式汽车碰撞试验台上的应用

Application of the Vector Network Method to Pendulum Type Automotive Crash Test Benches

GB/T8809-1988塑料薄膜抗摆锤冲击试验方法

Test method for pendulum impact resistance of plastic films

我们一转动螺母，就会升高或降低摆锤。

When we turn the nut , we raise or lower the bob .

商用车驾驶室摆锤碰撞实验的动态响应研究

Study on Dynamic Response of Commercial Vehicle Cab in the Pendulum Impact Test

对正在工作的罗盘来说，这样做比改变摆锤因数要更切合实际些。

This is more feasible than altering the pendulous factor on a running compass .

摆锤优化设计的数学模型

The mathematical model in optimal design of pendulum

伽利略发现，两个摆锤一直以相同的节奏一起摆动。

Galileo found that the two pendulums kept swinging together with the same rhythm .

RPSW/A摆锤示波冲击试验机测试系统改造

Modification to the Testing System of RPSW / A Pendulum Instrumented Charpy Impact Testing Machine

对JJG145-2007《摆锤式冲击试验机》检定规程中问题的商榷

Verification Regulation of Pendulum Impact Testing Machine

空冷贝氏体钢摆锤

Plate Hammer of Air Cooled Bainitic Steels

腕部的运动使得摆锤摇摆，自动使主发条上紧。

The movements of the wrist make the rotor swing and this winds the mainspring automatically .