cathode stream
简明释义
阴极电子溅射
英英释义
A cathode stream refers to the flow of charged particles, typically electrons, emitted from the cathode in an electronic device or vacuum tube. | 阴极流是指在电子设备或真空管中,从阴极发射的带电粒子(通常是电子)的流动。 |
例句
1.The direction of the cathode stream indicates the flow of electrons in the circuit.
阴极流的方向指示了电路中电子的流动。
2.The cathode stream in the electrochemical cell is crucial for the reduction reaction.
电化学电池中的阴极流对于还原反应至关重要。
3.The stability of the cathode stream affects the overall performance of the device.
阴极流的稳定性影响设备的整体性能。
4.By measuring the intensity of the cathode stream, we can determine the efficiency of the process.
通过测量阴极流的强度,我们可以确定过程的效率。
5.In a vacuum tube, the cathode stream emits electrons towards the anode.
在真空管中,阴极流将电子发射到阳极。
作文
In the realm of physics and electrical engineering, the term cathode stream refers to the flow of charged particles, specifically electrons, that are emitted from the cathode in an electronic device. This phenomenon is crucial for understanding how various devices operate, from simple vacuum tubes to complex semiconductor components. The cathode stream plays a significant role in the functioning of these devices by facilitating the movement of electrons through a vacuum or gas, which ultimately leads to the generation of electric current. To delve deeper into this concept, we first need to understand what a cathode is. In any electronic circuit, the cathode is the electrode through which current flows out of a polarized electrical device. It is typically associated with negative charge, which is why it emits electrons that constitute the cathode stream. When a voltage is applied, the cathode releases electrons due to thermal emission or field emission, creating a flow of these negatively charged particles. The significance of the cathode stream extends beyond just its basic definition; it is fundamental in various applications. For instance, in cathode ray tubes (CRTs), which were widely used in older television sets and computer monitors, the cathode stream is directed towards a phosphorescent screen. When the electrons collide with the screen, they cause it to emit light, thereby producing images. This principle is central to the operation of CRTs, showcasing the importance of the cathode stream in visual technology.Moreover, in the field of electrochemistry, the cathode stream is essential during processes such as electrolysis. During electrolysis, the cathode attracts cations, which are positively charged ions, and as these ions gain electrons from the cathode stream, they get reduced. This reduction process is vital for various applications, including metal plating and the production of chemical compounds. Thus, the cathode stream not only facilitates the flow of electrons but also plays a pivotal role in chemical transformations.As technology advances, the relevance of the cathode stream continues to evolve. In modern electronics, such as transistors and diodes, understanding the behavior of the cathode stream is critical for enhancing performance and efficiency. Engineers and scientists meticulously study this phenomenon to innovate and improve electronic devices, making them faster, smaller, and more energy-efficient.In conclusion, the cathode stream is a fundamental concept in the fields of physics and engineering, representing the flow of electrons from the cathode. Its implications are far-reaching, influencing the design and functionality of numerous electronic devices and applications. By grasping the significance of the cathode stream, one can appreciate the intricate workings of technology that we often take for granted in our daily lives.
在物理和电气工程领域,“cathode stream”一词指的是从电子设备的阴极发射的带电粒子,特别是电子的流动。这一现象对于理解各种设备的工作原理至关重要,从简单的真空管到复杂的半导体组件。“cathode stream”在这些设备的功能中扮演着重要角色,通过促进电子在真空或气体中的移动,最终导致电流的产生。为了更深入地探讨这个概念,我们首先需要了解什么是阴极。在任何电子电路中,阴极是电流流出极化电气设备的电极。它通常与负电荷相关,因此它发射构成“cathode stream”的电子。当施加电压时,阴极由于热发射或场发射释放电子,从而创造出这些带负电粒子的流动。“cathode stream”的重要性不仅仅在于其基本定义;它在各种应用中都是基础。例如,在阴极射线管(CRT)中,这种管子曾广泛用于旧式电视机和计算机显示器,“cathode stream”被引导到荧光屏。当电子与屏幕碰撞时,它们使屏幕发光,从而产生图像。这一原理是CRT操作的核心,展示了“cathode stream”在视觉技术中的重要性。此外,在电化学领域,“cathode stream”在电解等过程中的作用至关重要。在电解过程中,阴极吸引阳离子,即带正电的离子,当这些离子从“cathode stream”获得电子时,它们会被还原。这一还原过程对金属电镀和化合物生产等各种应用至关重要。因此,“cathode stream”不仅促进电子的流动,还在化学转化中发挥着关键作用。随着技术的进步,“cathode stream”的相关性也在不断发展。在现代电子产品中,如晶体管和二极管,理解“cathode stream”的行为对于提高性能和效率至关重要。工程师和科学家们仔细研究这一现象,以创新和改善电子设备,使其更快、更小、更节能。总之,“cathode stream”是物理和工程领域的一个基本概念,代表了从阴极流出的电子流动。其影响深远,影响着众多电子设备和应用的设计与功能。通过掌握“cathode stream”的重要性,人们可以欣赏到我们日常生活中常常被忽视的技术的复杂运作。
相关单词