incandescent cathode

简明释义

白炽热阴极

英英释义

例句

1.Engineers are exploring new materials for incandescent cathode applications.

工程师们正在探索用于白炽阴极应用的新材料。

2.The efficiency of an incandescent cathode can affect the overall performance of the device.

一个白炽阴极的效率会影响设备的整体性能。

3.When the incandescent cathode is heated to high temperatures, it glows brightly.

当白炽阴极加热到高温时，会发出明亮的光。

4.In vacuum tubes, the incandescent cathode emits electrons when heated.

在真空管中，白炽阴极在加热时会发射电子。

5.The light bulb uses an incandescent cathode to produce light.

灯泡使用白炽阴极来产生光。

作文

The concept of the incandescent cathode is pivotal in understanding the functioning of various electronic devices, particularly in the realm of vacuum tubes and cathode ray tubes. An incandescent cathode refers to a type of cathode that emits electrons when heated to a high temperature. This phenomenon occurs due to the thermionic emission process, where the thermal energy provided to the cathode allows electrons to overcome the work function of the material, thus escaping into the vacuum. The materials typically used for incandescent cathodes are often metals such as tungsten or tantalum, which have high melting points and can withstand the intense heat required for efficient electron emission.In practical applications, incandescent cathodes are utilized in various devices. For instance, in traditional television sets, cathode ray tubes rely on the principles of incandescent cathodes to produce images. The cathode is heated, and as it glows incandescently, it emits a stream of electrons that are directed towards a phosphorescent screen, creating the images we see. This technology, although largely replaced by modern flat-screen displays, illustrates the essential role that incandescent cathodes played in the evolution of visual display technology.Moreover, incandescent cathodes are also found in other applications such as electron microscopes and certain types of lasers. In electron microscopes, the quality of the emitted electron beam is crucial for imaging at high resolutions, and the use of incandescent cathodes provides a stable and intense source of electrons. Similarly, in laser technology, certain configurations employ incandescent cathodes to achieve specific operational characteristics.The efficiency and effectiveness of an incandescent cathode depend on several factors including its temperature, the material properties, and the design of the overall system in which it operates. Optimizing these parameters can lead to significant improvements in performance, making research and development in this area quite vital. As technology advances, newer materials and methods may emerge, potentially leading to the development of more efficient alternatives to traditional incandescent cathodes.In summary, the incandescent cathode is a fundamental component in many electronic devices, playing a crucial role in the emission of electrons through thermal excitation. Understanding its workings not only provides insight into historical technologies but also paves the way for future innovations in electronics. As we continue to explore new materials and techniques, the principles behind incandescent cathodes will remain relevant, highlighting the enduring significance of this technology in the modern world.

“白炽阴极”的概念在理解各种电子设备的工作原理中至关重要，特别是在真空管和阴极射线管领域。“白炽阴极”是指一种在高温下发射电子的阴极。这种现象是由于热电子发射过程发生的，热量提供给阴极，使电子克服材料的功函数，从而逃逸到真空中。通常用于“白炽阴极”的材料是钨或钽等金属，它们具有高熔点，可以承受高效电子发射所需的强烈热量。在实际应用中，“白炽阴极”被用于各种设备中。例如，在传统电视机中，阴极射线管依赖于“白炽阴极”的原理来产生图像。阴极被加热，当它发出白炽光时，发出一束电子，定向到荧光屏上，形成我们看到的图像。这项技术虽然已被现代平面显示器大幅取代，但它展示了“白炽阴极”在视觉显示技术发展中的重要作用。此外，“白炽阴极”还出现在其他应用中，如电子显微镜和某些类型的激光器。在电子显微镜中，发射电子束的质量对于高分辨率成像至关重要，而使用“白炽阴极”提供了一个稳定而强大的电子源。同样，在激光技术中，某些配置采用“白炽阴极”以实现特定的操作特性。“白炽阴极”的效率和效果取决于多个因素，包括其温度、材料特性以及其运行的整体系统设计。优化这些参数可以显著提高性能，因此在这一领域的研究与开发非常重要。随着技术的进步，新的材料和方法可能会出现，可能导致比传统“白炽阴极”更高效的替代品的开发。总之，“白炽阴极”是许多电子设备中的基本组成部分，在通过热激发发射电子方面发挥着关键作用。理解其工作原理不仅提供了对历史技术的洞察，也为未来电子学的创新铺平了道路。随着我们继续探索新材料和技术，“白炽阴极”背后的原理将仍然相关，突显了这一技术在现代世界中的持久意义。