查询词典 potential energy

Based on definition of strain energy function,increment formula of stationary potential energy of finite displacement theory were derived in terms of Kirchhoff stress tensor and Green strain tensor.

基于有限位移理论应变能密度函数的定义，利用Kirchhoff 应力张量和Green应变张量，推出了非线性分析中增量形式的势能驻值公式，并证明了由势能增量驻值原理得到的增量平衡方程形式与由虚位移原理所得的结果完全一致。

Firstly, kinetic energy and potential energy expressions are obtained by a series of derivation, considering the extrinsic momentum. In the symplectic system, control equations of longitude and transverse coupling vibrations of rotating elastic structures, or Hamilton canonical equations are described. So the solution of the problem is boiled down to the eigenvalues and eigensolutions in the symplectic space.

首先，从能量的观点出发，通过一系列的理论推导，给出旋转结构的动能和势能表达式，并考虑外动量的影响，从而得到在辛体系中描述旋转结构纵向和横向耦合振动的控制方程，即哈密顿正则方程，于是将问题归结为辛几何空间的本征值和本征向量问题。

We have measured the translational energy and the angular distributions of the fragments. The C-Br bond fission dynamics in the ultraviolet photodissociation has been analyzed. The effect of coupling between the potential energy surfaces on the product channels has been discussed.

第二部分是利用离子速度影像技术对1，2-C2H4Br2、tert-C4H9Br和iso-C4H9Br的紫外光解动力学的研究，获得了光解产物的平动能分布和角度分布信息，分析了这些分子的断键机理，研究了势能面间的相互耦合对光解产物状态的影响。

Studies on the potential energy curves of halogenate calcium molecules CaX (X=Br, Cl, F) in ground and low excited states using energy consistent method

欢迎光临《原子与分子物理学报》网站！用能量自洽法研究部分卤化钙分子CaX (X=Br， Cl， F)的解析势能函数

The obtained potential energy curves disclosed that a four-state cycle existed in the ground and excited states. It was also found that the activation energy for the methyl transfer was higher compared to the phenyl transfer, which was consistent to the experimental results that the photoisomerization of the phenyl substituted derivative was more rapid than the methyl substituted derivatives.

对反应势能面的研究发现，在光异构化反应中化合物M21和M21、M31的基态和激发态虽然都可以构成四能级反应过程，但由于M21异构化过程的活化能较高，使其所构成的四能级反应难以进行，这就从理论上解释了迁移基团为甲基的M21变色性能低于迁移基团为苯基的M31的实验结果。

From the view·point of electric potential energy the thesis analyses the cause ofthe formation of chromatic dispersion energy among poleless molecule s,i.

本文从电势能的观点，分析了无极分子之间的色散力形成原因，即瞬时电偶极矩的相互作用，无极分子组成物质，正说明了能量最小原理的普遍性。

According to the principle of mutual transformation between potential energy and kinetic energy,the vertically falling law of power law fluid by the action of unconstant static pressure and the relation between rheological parameter and time were studied,thus providing a theoretical basis for calculating the rheological parameters of fluid in funnel viscomete...

根据位能与动能的变化关系，作者研究了在非恒定静压作用下幂律流体垂直下落的规律及流变参数与时间的关系，从而为计算漏斗粘度计中流体的流变参数提供了理论依据。

The potential energy created by lifting so much of your body mass above the water on the insweep is converted into kinetic energy going forward.

您在内划期间抬出水面的身体质量产生多少势能，就转化出多少向前运动的动能。

Each time an electron recombines with a positive charge, electric potential energy is converted into electromagnetic energy.

每一次一电子recombines一个正电荷，电势能转化为电磁能量。

The calculation mechanics model is used for the curtain wall decussate rope net structure, including m horizontal ropes and n vertical ropes. The balance and displacement equations, alse the potential energy and kinetic energy equations, are constituted for the points with distributive loads and tensile force after the rope net distortion. Using the theory of finite analysis method, these groups of the n horizontal ropes' 2m+5 and m vertical ropes' 2n+5 equations are founded and the numerical solution is calculated.

建立幕墙由m根横向索、n根竖向索组成的正交索网结构的计算力学模型，在网点分配荷载及预张力作用下，列出钢索变形后的平衡方程、位移方程和弹性变形位能与外力作功方程，用有限分析方法将竖向索包含n个由2m+5变元组成的非线性方程组，将横向索包含m个由2n+5变元组成的非线性方程组寻求数值解。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了