cylindrical cathode

简明释义

圆柱形阴极

英英释义

例句

1.In many vacuum tubes, the cylindrical cathode is essential for electron emission.

在许多真空管中，圆柱形阴极对于电子发射至关重要。

2.The design of the cylindrical cathode allows for a more uniform electric field distribution.

这种设计的圆柱形阴极能够实现更均匀的电场分布。

3.The cylindrical cathode used in this experiment showed improved stability under high voltage.

本实验中使用的圆柱形阴极在高电压下表现出更好的稳定性。

4.Researchers are exploring the efficiency of a cylindrical cathode in plasma generation.

研究人员正在探索圆柱形阴极在等离子体生成中的效率。

5.We need to replace the damaged cylindrical cathode in the old device.

我们需要更换旧设备中损坏的圆柱形阴极。

作文

In the field of electrical engineering and physics, the term cylindrical cathode refers to a specific type of electrode that is shaped in a cylindrical form. This design is particularly significant in various applications, including vacuum tubes, gas discharge tubes, and certain types of batteries. The cylindrical cathode plays a crucial role in the emission of electrons, which are essential for the functioning of these devices. Understanding how a cylindrical cathode operates can provide insights into its importance in modern technology.The basic principle behind a cylindrical cathode involves the emission of electrons from a heated surface. When the cathode is heated, it provides enough energy for the electrons to escape from the material. This process is known as thermionic emission. The cylindrical shape of the cathode allows for a larger surface area compared to other geometries, which enhances its efficiency in electron emission. This characteristic is particularly useful in applications where high electron density is required.One of the primary applications of a cylindrical cathode is in vacuum tubes. These devices were widely used in early electronic equipment, such as radios and televisions. In a vacuum tube, the cylindrical cathode serves as the source of electrons, which are then directed towards an anode. The flow of electrons creates an electric current, allowing the tube to amplify signals. Although vacuum tubes have largely been replaced by transistors in modern electronics, the principles of operation remain foundational in understanding electronic components.Another significant use of the cylindrical cathode is in gas discharge tubes, which are commonly found in lighting applications. In these tubes, the cathode is surrounded by a gas that becomes ionized when an electric current passes through it. The cylindrical cathode facilitates this process by providing a stable environment for the ionization to occur. As the gas ionizes, it emits light, making it an essential component in fluorescent and neon lights.Additionally, the cylindrical cathode finds its application in certain types of batteries, particularly in lithium-ion cells. In these batteries, the cathode materials are often arranged in a cylindrical format to optimize space and enhance performance. The cylindrical design allows for better packing density, which is crucial for improving the energy storage capacity of the battery. As the demand for more efficient energy sources continues to grow, the role of the cylindrical cathode in battery technology becomes increasingly important.In conclusion, the cylindrical cathode is a vital component in various electronic devices and systems. Its unique cylindrical shape allows for enhanced electron emission, making it indispensable in vacuum tubes, gas discharge tubes, and batteries. As technology continues to evolve, the understanding and application of the cylindrical cathode will undoubtedly play a significant role in future innovations. By studying the characteristics and functions of the cylindrical cathode, engineers and scientists can develop more efficient electronic devices that meet the demands of our modern world.

在电气工程和物理学领域，短语cylindrical cathode指的是一种特定形状的电极，其外形为圆柱形。这种设计在各种应用中尤为重要，包括真空管、气体放电管以及某些类型的电池。cylindrical cathode在电子发射中起着至关重要的作用，电子是这些设备正常运行所必需的。理解cylindrical cathode的工作原理可以深入了解其在现代技术中的重要性。cylindrical cathode的基本原理涉及从加热表面发射电子。当阴极被加热时，它提供了足够的能量使电子逃离材料。这个过程被称为热电子发射。阴极的圆柱形设计相较于其他几何形状，允许更大的表面积，从而提高其电子发射的效率。这一特性在对高电子密度有需求的应用中尤为有用。cylindrical cathode的主要应用之一是在真空管中。这些设备曾广泛用于早期电子设备，如收音机和电视。在真空管中，cylindrical cathode作为电子源，然后这些电子被导向阳极。电子流动产生电流，使得管子能够放大信号。尽管真空管在现代电子产品中已被晶体管大多数取代，但其操作原理仍然是理解电子元件的基础。cylindrical cathode的另一个重要用途是在气体放电管中，这些管子通常用于照明应用。在这些管子中，阴极被一种气体包围，当电流通过时，这种气体会被电离。cylindrical cathode通过提供一个稳定的环境来促进这一过程。随着气体电离，它会发出光，因此它在荧光灯和霓虹灯中是一个不可或缺的组成部分。此外，cylindrical cathode还在某些类型的电池中得到了应用，特别是在锂离子电池中。在这些电池中，阴极材料通常以圆柱形格式排列，以优化空间并提高性能。圆柱形设计允许更好的包装密度，这对于提高电池的能量存储能力至关重要。随着对更高效能源的需求不断增长，cylindrical cathode在电池技术中的角色变得越来越重要。总之，cylindrical cathode是各种电子设备和系统中的一个重要组成部分。其独特的圆柱形状允许增强电子发射，使其在真空管、气体放电管和电池中不可或缺。随着技术的不断发展，对cylindrical cathode的理解和应用无疑将在未来创新中发挥重要作用。通过研究cylindrical cathode的特性和功能，工程师和科学家可以开发出更高效的电子设备，以满足我们现代世界的需求。