1.
On the History of the Discovery of Parity Nonconservation and the Lee-Yang s Argument--In Commemoration of the 50th Anniversary of the Discovery of Parity Nonconservation;
宇称不守恒的发现史与“李杨之争”刍议——纪念宇称不守恒发现50周年
2.
It is important to remember that kinetic energy is not conserved in the collision.
必须记住，在碰撞中动能不守恒。
3.
Parity Non-conservation:Experiment Refute Decisively Theory
宇称不守恒——实验对理论的判决性反驳
4.
When the friction force acts alone, the total mechanical energy is not conserved.
当只有摩擦力作用时，总机械能就不守恒。
5.
It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.
必须记住，动量守恒甚至对于非弹性碰撞也是成立的，尽管这时动能已不守恒。
6.
THE UNCHANGEABLE NATURES OF CONSERVATION OF MOMENTUM AND MECHANIC ENGERGY IN GALILEO CONVERSION
动量守恒和机械能守恒在伽利略变换中的不变性
7.
Invariance under translation in time leads to conservation of energy.
在时间平移下的不变性导致能量守恒。
8.
The relationship between gauge invariance and the law of charge conservtion;
规范不变性与电荷守恒关系的再讨论
9.
Conformal Invariance and Conserved Quantities of Holonomic Mechanical Systems
完整力学系统的共形不变性与守恒量
10.
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。
11.
Energy is conserved, that is, none is lost and none is increased.
能量是守恒的，也就是说不会减少，也不会增加。
12.
To keep(a quantity) constant through physical or chemical reactions or evolutionary changes.
守恒在物理、化学反应过程中或演化过程中保持（一种数量）恒定不变
13.
Form invariance of Raitzin s canonical equations of holonomic nonconservative mechanical system;
完整非保守系统Raitzin正则方程的形式不变性和守恒量
14.
The conservation of energy does not require that a system be isolated.
能量的守恒并不要求系统必须是孤立的。
15.
Conformal Invariance and Conserved Quantities of Mei Symmetry for Mechanico-Electrical Systems
机电系统Mei对称性的共形不变性与守恒量
16.
Conformal invariance and conserved quantity for holonomic mechanical systems with variable mass
变质量完整动力学系统的共形不变性与守恒量
17.
Conformal invariance and conserved quantities of Mei symmetry for general holonomic systems
一般完整系统Mei对称性的共形不变性与守恒量
18.
The charge is conserved not only from "before" to "after" but also at every intermediate stage of the process.
电荷不仅由衰变“前”到衰变“后”是守恒的，而且在衰变过程的每一个中间的阶段也都是守恒的。