collisional

简明释义

英[kəˈlɪʒənəl]美[kəˈlɪʒənəl]

adj. 碰撞引起的

英英释义

单词用法

同义词

反义词

例句

1.When the stream is collisional, the negative energy nature changes to negative dissipative nature.

流束存在碰撞时，负能性质改变为负耗散性质。

2.Therefore, attention is paid to the collisional stresses in the study of rapid granular flows.

因此，碰撞应力是快速颗粒流研究的主要内容。

3.Influences of laser ellipticity on the ionization parameters of Ni-like Kr (NLK) system based on electron collisional scheme of optical-field ionization (OFI) were investigated.

研究了激光椭偏率对基于光场感生电离(OFI)电子碰撞机制类镍氪(NLK)系统电离参数的影响。

4.Some electron collisional transfer rates between excited states of the atom can be calculated from this model using experimental data of both sensitized and direct resonant fluorescence.

用敏化荧光和共振荧光的实验数据，可由该模型定出由于电子与原子碰撞而产生的原子能级间的转移速率。

5.Rock types of the post-collisional granitoids in Miaoergou, West Junggar, include K-feldspar granite, hornblende monzogranite and granodiorite.

西准噶尔庙尔沟岩体主要包括钾长石花岗岩、角闪二长花岗岩和花岗闪长岩。

6.In view of the high temperature in the plasma, we neglect the classical collisional term but consider the contribution of the turbulent collisional term to the distribution of the electrons.

对于高温等离子体，我们可不计经典碰撞项，只考虑湍流碰撞过程对电子分布的贡献。

7.The results show that the stronger the particle-particle collisional dissipation and gas-solid drag force, the more heterogeneous the flow structure.

计算结果表明颗粒间非弹性碰撞和气固间曳力的增大均使气固两相流动的非均匀性增大。

8.For different plasma-density profiles, the effects of the frequency of EM wave, collisional frequency and plasma density on the attenuation of electromagnetic wave were discussed.

给出了等离子体电子密度线性分布和指数分布时，雷达电磁波的频率、电子碰撞频率、等离子体密度对电磁波衰减的影响。

9.The researchers studied the effects of collisional 碰撞的 processes on the formation of new stars.

研究人员研究了碰撞的过程对新星形成的影响。

10.In astrophysics, collisional 碰撞的 interactions are crucial for understanding galaxy dynamics.

在天体物理学中，碰撞的相互作用对于理解星系动力学至关重要。

11.The collisional 碰撞的 behavior of particles can lead to significant energy loss in accelerators.

粒子的碰撞的行为可能导致加速器中显著的能量损失。

12.During a collisional 碰撞的 event, the momentum of the objects involved is conserved.

在一次碰撞的事件中，参与物体的动量是守恒的。

13.The simulation modeled the collisional 碰撞的 interactions between asteroids in the belt.

模拟模型模拟了小行星带中小行星之间的碰撞的相互作用。

作文

In the vast expanse of space, various celestial bodies interact with one another through a multitude of forces. Among these interactions, the most intriguing are the collisional events that occur between asteroids, comets, and even planets. These collisional phenomena can lead to significant changes in the orbits and compositions of the involved entities, reshaping our understanding of the solar system's dynamics. The study of collisional processes is crucial for several reasons. Firstly, it helps scientists comprehend the history of our solar system. For instance, the craters on the Moon and Mars serve as evidence of ancient collisional impacts. By analyzing these craters, researchers can estimate the frequency and scale of past impacts, providing insight into how many bodies once roamed our solar system. This historical perspective is essential for understanding the evolution of planetary bodies and the potential threats they pose to Earth today. Moreover, collisional interactions are not limited to large bodies; they also occur at smaller scales. Micrometeorites collide with Earth's atmosphere daily, creating streaks of light known as meteors. These small-scale collisional events contribute to our planet's meteorological phenomena and can even affect satellite operations in low Earth orbit. Understanding the frequency and impact of these smaller collisions is vital for ensuring the safety of our technological infrastructure. In addition to their historical significance, collisional events have practical implications for planetary defense. With the increasing number of near-Earth objects (NEOs) being discovered, the potential for a catastrophic collisional impact looms larger than ever. Scientists and engineers are actively researching ways to mitigate the risks posed by these NEOs, including deflection strategies that could alter an asteroid's trajectory before a possible collision with Earth. By studying collisional mechanics, we can better predict the outcomes of such encounters and develop effective countermeasures. Furthermore, the concept of collisional dynamics extends beyond just physical impacts. In the realm of particle physics, collisional interactions play a pivotal role in understanding fundamental forces and particles. When particles collide at high speeds in accelerators, they can produce new particles and reveal the underlying structure of matter. This research has profound implications for our understanding of the universe at its most fundamental level. Lastly, the advancements in technology have allowed for more detailed observations of collisional events in real-time. Space missions equipped with sophisticated instruments can now track the trajectories of asteroids and monitor their interactions with other celestial bodies. This data is invaluable for refining our models of collisional dynamics and improving our predictive capabilities. In conclusion, the study of collisional phenomena encompasses a wide array of scientific disciplines, from planetary science to particle physics. The insights gained from understanding these interactions not only enhance our knowledge of the cosmos but also equip us with the tools to protect our planet from potential threats. As we continue to explore the universe, the significance of collisional events will undoubtedly remain a focal point of scientific inquiry and discovery.

在广袤的太空中，各种天体通过多种力量相互作用。在这些相互作用中，最引人入胜的是小行星、彗星甚至行星之间发生的碰撞事件。这些碰撞现象可以导致参与实体的轨道和组成发生重大变化，从而重塑我们对太阳系动态的理解。 研究碰撞过程至关重要，原因有几个。首先，它帮助科学家理解我们太阳系的历史。例如，月球和火星上的陨石坑就是古代碰撞影响的证据。通过分析这些陨石坑，研究人员可以估算过去影响的频率和规模，为了解曾经在我们太阳系中游荡的天体数量提供了见解。这种历史视角对于理解行星体的演变及其对地球今天可能构成的威胁至关重要。 此外，碰撞相互作用不仅限于大型天体；它们也在较小的尺度上发生。微流星体每天与地球的大气层发生碰撞，形成被称为流星的光带。这些小规模的碰撞事件对我们星球的气象现象产生影响，甚至可能影响低地球轨道中卫星的运行。了解这些较小碰撞的频率和影响对于确保我们技术基础设施的安全至关重要。 除了历史意义之外，碰撞事件对行星防御也具有实际意义。随着越来越多的近地天体（NEOs）被发现，灾难性碰撞影响的潜力比以往任何时候都更大。科学家和工程师正在积极研究减轻这些NEOs所带来的风险的方法，包括在可能与地球发生碰撞之前改变小行星轨迹的偏转策略。通过研究碰撞力学，我们可以更好地预测此类遭遇的结果，并制定有效的对策。 此外，碰撞动力学的概念不仅限于物理影响。在粒子物理学领域，碰撞相互作用在理解基本力量和粒子方面发挥着关键作用。当粒子在加速器中高速碰撞时，它们可以产生新粒子并揭示物质的基本结构。这项研究对我们理解宇宙在其最基本层面上具有深远的影响。 最后，技术的进步使得实时详细观察碰撞事件成为可能。配备先进仪器的太空任务现在可以跟踪小行星的轨迹并监测其与其他天体的相互作用。这些数据对于完善我们的碰撞动力学模型和提高我们的预测能力至关重要。 总之，研究碰撞现象涵盖了从行星科学到粒子物理学的广泛科学学科。通过理解这些相互作用获得的见解不仅增强了我们对宇宙的知识，还为我们提供了保护地球免受潜在威胁的工具。随着我们继续探索宇宙，碰撞事件的重要性无疑将继续成为科学探究和发现的焦点。