| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | Parity nonconservation in dielectronic recombination of multiply charged ions
多电荷离子双电子复合中的宇称不守恒效应 |
| 5. | Experiments revealed that the decay probabilities of right - spinning and left - spinning cobalt atoms were different . this phenomenon of symmetry breakdown is called the violation of the principle of parity conservation
右旋和左旋的钴获实验证明它们的衰变率并不相同，即所谓宇称不守恒。 |
| 6. | Experiments revealed that the decay probabilities of right - spinning and left - spinning cobalt atoms were different . this phenomenon of symmetry breakdown is called the violation of the principle of parity conservation
右旋和左旋的钴获实验证明它们的衰变率并不相同，即所谓宇称不守恒。 |
| 7. | This immediately tells us that the virtual quanta necessarily have to be short lived . thus the vacuum has a non - zero and very large value of energy density associated with it
能在极短时间内复归于无，在不违反能量时间测不准定理的情况下，短暂的能量不守恒是容许的，所以真空可拥有一个非零而非常大的能量密度。 |
| 8. | Today , many scientists believe that we are living in a universe made primarily of matter , instead of one comprising equal amounts of matter and anti - matter . this may be attributed to the violation of parity conservation
不少科学家相信我们今天之所以生活在一个主要由物质而非由同等数量的正反物质所组成的宇宙，与此宇称不守恒有莫大关系。 |
| 9. | Today , many scientists believe that we are living in a universe made primarily of matter , instead of one comprising equal amounts of matter and anti - matter . this may be attributed to the violation of parity conservation
不少科学家相信我们今天之所以生活在一个主要由物质而非由同等数量的正反物质所组成的宇宙，与此宇称不守恒有莫大关系。 |
| 10. | In chapter 3 , we discussed the propagation of the atom laser beam , with the transverse independent of gravitate direction , which had non - conservation quality factor based on the theory of abcd formulation of propagation of a time - dependent quantum system
第三章：本章在含时量子系统的schrdinger形式理论的基础上初步讨论原子激光? ?这种品质因子不守恒的含时量子系统的传输问题。 |
