collision excitation

简明释义

碰撞激发

英英释义

例句

1.Astrophysicists often calculate the rates of collision excitation to predict the behavior of cosmic gases.

天体物理学家通常计算碰撞激发的速率，以预测宇宙气体的行为。

2.During experiments, scientists observed collision excitation in gas molecules when they were subjected to high-energy impacts.

在实验中，科学家观察到气体分子在受到高能冲击时发生了碰撞激发。

3.In plasma physics, collision excitation refers to the process where particles gain energy from collisions, leading to higher energy states.

在等离子体物理中，碰撞激发指的是粒子通过碰撞获得能量，从而导致更高的能量状态。

4.In laser technology, collision excitation can enhance the efficiency of the laser by increasing the population of excited states.

在激光技术中，碰撞激发可以通过增加激发态的数量来提高激光的效率。

5.The study of collision excitation is crucial for understanding how stars emit light.

研究碰撞激发对于理解恒星如何发光至关重要。

作文

In the realm of physics and chemistry, the concept of collision excitation plays a crucial role in understanding how particles interact with each other. This phenomenon occurs when two particles collide with sufficient energy to excite one or both of them to a higher energy state. The significance of collision excitation can be observed in various fields, including astrophysics, plasma physics, and even in the development of new materials. To illustrate, consider the case of gas molecules in a heated environment. As temperature increases, the kinetic energy of these molecules rises, leading to more frequent and energetic collisions. During these interactions, some molecules may experience collision excitation, which can result in the emission of light or other forms of radiation. This is particularly evident in neon signs, where the collision of electrons with neon gas atoms causes the atoms to become excited and emit a bright glow. Furthermore, collision excitation is fundamental in the study of stellar atmospheres. In stars, high-energy collisions between particles can lead to the excitation of hydrogen and helium atoms, producing spectral lines that astronomers use to determine the composition and temperature of celestial bodies. By analyzing the light emitted from these stars, scientists can gain insights into their age, distance, and even their potential for hosting life. In addition to its applications in astrophysics, collision excitation is also relevant in the field of plasma physics. Plasmas, which are ionized gases consisting of free electrons and ions, exhibit unique behaviors due to the high rates of particle collisions. These collisions can lead to collision excitation of ions, which is essential for understanding phenomena such as fusion reactions in stars or in experimental setups like tokamaks, where scientists attempt to replicate stellar conditions on Earth. Moreover, the principles of collision excitation are utilized in technological advancements, particularly in the development of lasers. In laser technology, atoms or molecules are often excited through controlled collisions, allowing for the release of coherent light. This principle is not only foundational in creating powerful laser beams but also has implications in telecommunications, medical devices, and manufacturing processes. In summary, the concept of collision excitation is integral to multiple scientific disciplines, providing a framework for understanding how particles interact under various conditions. From the glowing lights of neon signs to the distant twinkling of stars, the effects of collision excitation are omnipresent in our universe. As research continues to advance, our comprehension of this phenomenon will undoubtedly deepen, leading to further innovations and discoveries that harness the power of particle interactions. The ongoing exploration of collision excitation not only enhances our knowledge of fundamental physics but also paves the way for future technological breakthroughs that could transform our everyday lives.

在物理学和化学领域，碰撞激发的概念在理解粒子之间的相互作用中发挥着至关重要的作用。当两个粒子以足够的能量碰撞时，会发生这种现象，从而使其中一个或两个粒子激发到更高的能量状态。碰撞激发的重要性可以在多个领域中观察到，包括天体物理学、等离子体物理学，甚至是新材料的开发。举例来说，考虑在加热环境中的气体分子。随着温度的升高，这些分子的动能增加，导致更频繁和更有能量的碰撞。在这些相互作用中，一些分子可能会经历碰撞激发，这可能导致光或其他形式的辐射的发射。这在霓虹灯中尤为明显，电子与氖气原子的碰撞使原子变得激发并发出明亮的光芒。此外，碰撞激发在恒星大气的研究中是基础的。在恒星中，粒子之间的高能碰撞可以导致氢和氦原子的激发，产生天文学家用来确定天体成分和温度的光谱线。通过分析这些恒星发出的光，科学家可以获得关于它们的年龄、距离，甚至是否适合生命存在的见解。除了在天体物理学中的应用，碰撞激发在等离子体物理学领域也很重要。等离子体是由自由电子和离子组成的电离气体，由于粒子碰撞的高频率，展现出独特的行为。这些碰撞可以导致离子的碰撞激发，这对于理解诸如恒星中的聚变反应或在实验装置如托卡马克中科学家试图在地球上复制恒星条件等现象至关重要。此外，碰撞激发的原理在技术进步中也得到了应用，尤其是在激光的发展中。在激光技术中，原子或分子通常通过控制碰撞被激发，从而释放出相干光。这一原理不仅是创造强激光束的基础，而且在电信、医疗设备和制造过程中也具有重要意义。总之，碰撞激发的概念对于多个科学学科至关重要，为理解粒子在各种条件下的相互作用提供了框架。从霓虹灯的闪烁光到遥远星星的微弱光芒，碰撞激发的影响在我们宇宙中无处不在。随着研究的不断推进，我们对这一现象的理解无疑将加深，导致进一步的创新和发现，利用粒子相互作用的力量。对碰撞激发的持续探索不仅增强了我们对基础物理的知识，也为未来可能改变我们日常生活的技术突破铺平了道路。