ejected electron

简明释义

放出电子

英英释义

例句

1.When an atom absorbs energy, it may result in the emission of an ejected electron from its outer shell.

当原子吸收能量时，可能会导致外壳中一个被弹出的电子的发射。

2.The photoelectric effect demonstrates how light can cause an ejected electron to be released from a metal surface.

光电效应展示了光如何导致金属表面释放出一个被弹出的电子。

3.The energy of the incoming photon must exceed the work function to free an ejected electron.

入射光子的能量必须超过功函数才能释放出一个被弹出的电子。

4.In a vacuum tube, the flow of current is due to the movement of ejected electrons from the cathode.

在真空管中，电流的流动是由于从阴极发射的被弹出的电子的运动。

5.In semiconductor devices, the movement of ejected electrons contributes to electrical conductivity.

在半导体设备中，被弹出的电子的运动有助于电导性。

作文

The phenomenon of an ejected electron is a fundamental concept in the field of physics, particularly in the study of atomic structure and quantum mechanics. When we talk about an ejected electron, we are referring to an electron that has been removed from its atom, typically as a result of absorbing energy. This process can occur through various means, such as the photoelectric effect, where light photons strike a material and impart enough energy to some of its electrons, causing them to be released from the atomic bonds. Understanding this process not only helps us grasp the behavior of electrons but also illuminates the principles behind many modern technologies, including solar panels and photodetectors.In essence, when an electron gains sufficient energy, it can overcome the attractive forces binding it to the nucleus of the atom. The energy required to achieve this is known as the ionization energy. For instance, in metals, the ejected electron can contribute to electrical conductivity, as these free electrons are able to move through the lattice of atoms, allowing for the flow of electric current. This principle is crucial in the design of electronic devices, where control over the movement of electrons is essential for functionality.Moreover, the study of ejected electrons has significant implications in the realm of chemistry as well. When atoms interact with one another, the sharing or transfer of electrons can lead to the formation of chemical bonds. In many reactions, particularly those involving high-energy processes, electrons may be ejected, leading to the formation of ions. This process is vital in understanding how reactions occur and how substances transform into different products.The importance of ejected electrons extends into the field of astrophysics as well. For example, during stellar explosions, such as supernovae, the immense energy released can cause electrons to be ejected from atoms, contributing to the formation of new elements and influencing the evolution of galaxies. The study of these high-energy environments helps scientists understand the lifecycle of stars and the dynamics of the universe.In conclusion, the concept of an ejected electron is not just a mere academic term; it represents a key mechanism that underlies much of the physical world around us. From the conductivity of materials to the nature of chemical reactions and even the processes governing celestial bodies, the implications of ejected electrons are vast. As technology continues to advance, our understanding of these fundamental particles will undoubtedly lead to new innovations and discoveries, shaping the future of science and engineering. Thus, studying the behavior and properties of ejected electrons remains a crucial area of research, promising to unlock further secrets of the universe.

“被弹出的电子”现象是物理学领域中的一个基本概念，特别是在原子结构和量子力学的研究中。当我们谈论“被弹出的电子”时，我们指的是从其原子中移除的电子，通常是由于吸收了能量。这个过程可以通过多种方式发生，例如光电效应，其中光子撞击材料并给予一些电子足够的能量，使它们从原子键中释放出来。理解这个过程不仅有助于我们掌握电子的行为，而且还阐明了许多现代技术背后的原理，包括太阳能电池板和光电探测器。从本质上讲，当电子获得足够的能量时，它可以克服束缚在原子核上的吸引力。实现这一点所需的能量被称为电离能。例如，在金属中，“被弹出的电子”可以促进电导率，因为这些自由电子能够在原子晶格中移动，从而允许电流的流动。这个原理在电子设备的设计中至关重要，因为对电子运动的控制对功能性至关重要。此外，“被弹出的电子”的研究在化学领域也具有重要意义。当原子彼此相互作用时，电子的共享或转移可能导致化学键的形成。在许多反应中，特别是涉及高能过程的反应中，电子可能被“弹出”，导致离子的形成。这个过程对于理解反应如何发生以及物质如何转变为不同的产物至关重要。“被弹出的电子”的重要性还延伸到天体物理学领域。例如，在恒星爆炸（如超新星）期间，释放的巨大能量可以导致电子从原子中被“弹出”，促成新元素的形成并影响银河的演化。对这些高能环境的研究帮助科学家理解恒星的生命周期和宇宙的动态。总之，“被弹出的电子”这一概念不仅仅是一个学术术语；它代表了一种关键机制，支撑着我们周围物理世界的许多方面。从材料的导电性到化学反应的性质，甚至是支配天体的过程，“被弹出的电子”的影响是广泛的。随着技术的不断进步，我们对这些基本粒子的理解无疑将导致新的创新和发现，塑造科学和工程的未来。因此，研究“被弹出的电子”的行为和特性仍然是一个至关重要的研究领域，承诺解锁宇宙的进一步秘密。