thermionic valve

简明释义

热阴极电子管

英英释义

例句

1.The radio uses a thermionic valve to amplify the sound signals.

这款收音机使用热电子阀来放大声音信号。

2.You can find thermionic valves in high-end guitar amplifiers.

你可以在高端吉他放大器中找到热电子阀。

3.In early computers, a thermionic valve was essential for processing data.

在早期计算机中，热电子阀对于数据处理至关重要。

4.Many vintage audio equipment still rely on thermionic valves for their warm sound.

许多复古音频设备仍然依赖于热电子阀来产生温暖的声音。

5.The thermionic valve operates by heating a filament until it emits electrons.

热电子阀通过加热灯丝直到它发射电子来工作。

作文

The invention of the thermionic valve (热阴极阀) marked a significant turning point in the field of electronics. Before its introduction, electronic devices were limited in their capabilities and efficiency. The thermionic valve operates on the principle of thermionic emission, where electrons are emitted from a heated cathode and flow towards an anode. This process allows for the control of electrical current, making it possible to amplify signals and switch currents in a more effective manner than previous technologies. The thermionic valve was first developed in the early 20th century, with John Ambrose Fleming being credited with its invention in 1904. This innovation quickly found applications in various fields, particularly in radio technology. The ability to amplify weak radio signals revolutionized communication, leading to the development of radio broadcasting and long-distance communication systems. Without the thermionic valve, the rapid advancement of technology in the 20th century would have been significantly hindered.One of the most notable features of the thermionic valve is its role in audio amplification. Early audio equipment relied heavily on these valves to produce sound. The warm, rich tones generated by thermionic valves became a hallmark of high-fidelity audio systems, and many audiophiles still prefer equipment that utilizes these components. The unique sound quality produced by the thermionic valve is often described as more natural and pleasing compared to modern solid-state devices.However, the thermionic valve is not without its drawbacks. These valves can be bulky, fragile, and require a significant amount of power to operate. Additionally, they generate heat, which can lead to thermal instability and reduced lifespan if not managed properly. As technology progressed, solid-state devices such as transistors began to replace thermionic valves in many applications due to their smaller size, greater reliability, and energy efficiency.Despite this shift, the legacy of the thermionic valve continues to influence modern electronics. Many enthusiasts and professionals in the audio industry still seek out vintage equipment that employs these valves, appreciating the distinctive sound they offer. Furthermore, the principles behind the thermionic valve laid the groundwork for future innovations in electronics, including the development of vacuum tubes and other semiconductor technologies.In conclusion, the thermionic valve (热阴极阀) represents a pivotal advancement in the history of electronics. Its ability to control and amplify electrical signals transformed communication and audio technology, leaving an enduring impact on the industry. While newer technologies have largely supplanted thermionic valves in practical applications, their unique characteristics continue to captivate the interest of enthusiasts and professionals alike. Understanding the significance of the thermionic valve helps us appreciate the evolution of electronic devices and the innovations that followed.

热阴极阀的发明标志着电子领域的重要转折点。在其引入之前，电子设备的能力和效率受到限制。热阴极阀的工作原理是热电子发射，即电子从加热的阴极发射并流向阳极。这个过程使得电流的控制成为可能，从而能够以比以前的技术更有效的方式放大信号和切换电流。热阴极阀最早是在20世纪初开发的，约翰·安布罗斯·弗莱明被认为是其发明者，时间是在1904年。这项创新迅速找到了在各个领域的应用，尤其是在无线电技术中。放大微弱无线电信号的能力彻底改变了通信，导致了无线广播和长距离通信系统的发展。如果没有热阴极阀，20世纪技术的快速进步将会受到显著阻碍。热阴极阀最显著的特点之一是它在音频放大中的作用。早期音频设备在很大程度上依赖这些阀门来产生声音。热阴极阀产生的温暖、丰富的音调成为高保真音频系统的标志，许多音响爱好者仍然偏爱使用这些组件的设备。热阴极阀产生的独特音质常被描述为比现代固态设备更自然、更愉悦。然而，热阴极阀并非没有缺点。这些阀门可能体积庞大、易碎，并且需要大量电力来操作。此外，它们会产生热量，如果管理不当，可能导致热不稳定和使用寿命缩短。随着技术的发展，晶体管等固态设备开始在许多应用中取代热阴极阀，因为它们体积小、可靠性强且能效高。尽管发生了这种转变，热阴极阀的遗产仍然影响着现代电子产品。许多音频行业的爱好者和专业人士仍然寻求使用这些阀门的复古设备，欣赏它们所提供的独特音色。此外，热阴极阀背后的原理为未来电子技术的创新奠定了基础，包括真空管和其他半导体技术的发展。总之，热阴极阀（thermionic valve）代表了电子历史上的一个重要进步。它控制和放大电信号的能力改变了通信和音频技术，对行业产生了持久的影响。虽然较新的技术在实际应用中大多取代了热阴极阀，但它们独特的特性仍然吸引着爱好者和专业人士的兴趣。理解热阴极阀的重要性帮助我们欣赏电子设备的发展及其后续的创新。