The generator of gauge transformation for Spinor QED has been constructed,the phase-space generating of Green function is obtained by the rule of path integral quantization of Faddeev-Senjanovic method,and canonical Ward identity is also derived in this system,finally quantal consernation laws are gived.
构造了旋量电动力学的规范变换生成元,用Faddeev-Senjanovic路径积分量子化方法给出系统Green函数的相空间生成泛函,导出了正则Ward恒等式,最后给出了该系统的量子守恒律。
A primary proof of a quantum equation;
一个量子恒等式的初等证明
The principle of conservation of momentum holds whatever the nature of the internal forces, conservative or not.
动量守恒原理则不管内力的性质如何（保守的或非保守的）都能适用。
In order for energy to be conserved, the final total kinetic energy must be greater than the initial by this amount.
要符合能量守恒原理，末总动能必须比初动能大这么多。
Conservation of Mass. Conservation of Momentum. Stress Tensor.
质量守恒，动量守恒，应力张量。
As it contracts, the principle of angular momentum conservation forces it to rotate faster[ see box on opposite page].
当它收缩时，角动量守恒的原理强迫它转得更快（右页〈体盘的诞生〉。
laws of conservation of energy and momentum
能量和动量守恒定律
Estimation of water amount in river network of Taihu Lake based on isotopic mass conservation
利用同位素质量守恒原理估算太湖河网受水量
principle of the conservation of molecularorbital symmetry
分子轨道对称守恒原理
Safety evaluation of road alignment based on energy conservation law
基于能量守恒原理的公路线形安全性评价
The maintenance of a physical quantity, such as energy or mass, during a physical or chemical change.
守恒在物理或化学变化过程中能量或质量等物理数量的维持原状
Conservation of momentum s theoritical calculate to electrical and magnetism field from a sham false question;
从一个佯谬对电磁场动量守恒的理论推证
For conservation of momentum, the atom must recoil with a momentum of this magnitude in the opposite direction.
因为动量守恒，原子必然以这样大小的动量向相反方向反冲。
The Application of the Law of Conservation of the Moment of Momentum and the Theorem of the Moment of Momentum in the Spiking Skill of Volleyball;
动量矩定理、动量矩守恒定律在排球扣球技术动作中的应用
The Application of the Law of Conservation of the Moment of Momentum and the Theorem of the Moment of Momentum in the Shooting Skill of Bdasketball;
动量矩定理及动量矩守恒定律在篮球投篮技术动作中的应用
Study of conservation laws of second-order nonholonomic systems of variable mass in event space by means of the principle of jourdain;
利用Jourdain原理研究事件空间中变质量二阶非完整系统的守恒律
The Law of Conservation of Momentum and the Law of Conservation of Angular Momentum for Charge System and Electromagnetic Field;
电磁场和电荷系统的动量守恒定律和角动量守恒定律
The artiocle shows us work-energy principle and law of mechanical energy conservation in the system of motion and inertia.
本文给出了动惯性系中的功能原理及机械能守恒定律。
Integrating factors and conservation theorems for variable mass nonholonomic Vacco dynamical systems;
变质量非完整Vacco动力学系统的积分因子和守恒定理
The law of conservation of angular momentum may be demonstrated with a gyroscope.
角动量守恒定律，可以用回转器来演示。