theorem of principal axes

A new method using torsion pendulum to verify the parallel axis theorem;

用扭摆验证转动惯量平行轴定理的新方法

A new method using least square method to verify the parallel axis theorem is reported.

提出用最小二乘法验证转动惯量平行轴定理的新方法,并通过实验证明了该方法的可行性。

Combined with teaching,this thesis has advanced some argumentation on the parallel axis theorem of rotational inertia and has indicated some errors in the proving process in some teaching materials.

结合教学,提出对刚体转动惯量平行轴定理的几点教学讨论,指出不少教材里证明过程中的概念错误,并介绍一种较严谨的证明方法及该定理的一般推广式。

With teaching practice, we put forward some advice in the teaching how to use the perpendicular axis theorem to find the moment of inertia of a rigid body,which could enrich teaching context and expand students knowledge.

结合教学实践,提出对刚体转动惯量正交轴定理的教学,着重介绍一般推广式,继而得出相关引伸式。

Its relative error is less then 2% ,and it can test the theorem of parallel axis well.

利用复摆定轴转动原理和刚体平行轴定理设计的一种新型转动惯量测定仪。

In common mechanics textbooks, in inferring the theorem of parallel axis to calculate the moment of inertia of rigid body, there implies a condition, that is, turning axis must be vertical to the section of rigid body.

讨论了转轴不垂直于刚体截面时的平行轴定理 ,并指出普通的平行轴定理只是其特

The Teaching Debate on the Parallel Axis theorem of Rotational Inertia;

刚体转动惯量平行轴定理的教学讨论

Discussion on Teaching of the Perpendicular Axis Theorem of the Moment of Inertia of a Rigid Body;

刚体转动惯量正交轴定理的教学探讨

Parallel axis theorem and K?nig theorem are deduced from the two laws of rotation.

由两个转动定律导出了平行轴定理和柯尼希定理。

Angular Momentum Theorem of Variable Quality Objects around A Fixed Axis;

变质量物体绕定轴转动的角动量定理

When this process occurs, molecular chains can orient in the fiber direction.

在此处理过程中，分子键能沿纤维轴向定向排列。

Theoretical and Experimental Investigations on the Static Stability of Sleeved Compression Members;

轴压套管构件静力稳定性能的理论与试验研究

Experimental and Theoretical Research on Fatigue Properties of Plain Concrete under Triaxial Cyclic Loading with Constant Lateral Pressure;

定侧压下混凝土三轴疲劳性能试验与理论研究

A study of spatial relationship of Xi an based on "Pole-Axis Theory";

基于“点-轴系统”理论的西安地区空间关系定位

Pohlke-Schwarz Theorem and Computer Simulation of Axonometric Projection

波尔克定理与轴测投影过程的程序模拟

Study on Measuring Method and Data Processing Analysis of Centre of Gravity for Two-axle Vehicle

两轴道路车辆重心位置测定方法及数据处理

We have mentioned that independence of choice of coordinate axes is an important aspect of the law of physics.

与坐标轴选择无关，这一性质是物理学定律的一个重要方面。

Theory of width effect of isogyres of crystals with large optical axis angle and optical orientating method with fast rate

大光轴角晶体消光影宽度效应理论及其快速光学定向方法

In theoretical analysis, the effect on receiving signal by radial beat of galvanometer is given qualitatively.

理论分析中定性的给出了振镜转轴的径向跳动对信号接收的影响。

Instantaneous Turning Center Theory Analysis and the Second Axle Steering Angle Calculation of Dual-front Axle Steering System

双前桥转向系统瞬时转动中心理论分析及二轴转角的确定

Study on Isolation, Purification, Identification of Isoflavones in Trifolium Pratense and Its Physiological Functions;

红车轴草异黄酮的分离、纯化、结构鉴定及生理功能研究

The Theoretical and Test Studies on the Load-carrying Capacity in Integral Stability of Axial Compressed Cut T-shape Columns;

剖分T型钢轴心受压构件整体稳定承载力的试验与理论研究

Theoretical and Experimental Research on Azimuthal Alignment Method for PM-Fiber Based on Side-viewing Image;

基于侧视成像的保偏光纤定轴方法的理论与实验研究

Design of Control System of Three-Axis Simulation Table Based on Quadratic Stability Theory;

基于二次稳定理论的三轴模拟试验台控制系统设计