electron valve

简明释义

电子管

英英释义

例句

1.The design of the electron valve 电子阀 has evolved significantly over the past century.

过去一个世纪中，电子阀 electron valve的设计发生了显著变化。

2.Using an electron valve 电子阀 can improve the efficiency of your electronic devices.

使用电子阀 electron valve可以提高电子设备的效率。

3.The electron valve 电子阀 is crucial for the operation of old radio equipment.

对于旧式收音机设备来说，电子阀 electron valve至关重要。

4.In vacuum tubes, the electron valve 电子阀 controls the amplification of signals.

在真空管中，电子阀 electron valve控制信号的放大。

5.The electron valve 电子阀 in this circuit helps regulate the flow of electricity.

这个电路中的电子阀 electron valve有助于调节电流的流动。

作文

The invention of the electron valve has revolutionized the field of electronics and communication. An electron valve (电子阀) is a device that controls the flow of electric current in a circuit, allowing for the amplification and switching of signals. This technology laid the foundation for modern electronic devices, such as radios, televisions, and computers. Before the advent of the electron valve, electronic circuits relied on mechanical switches and vacuum tubes, which were bulky and inefficient. The introduction of the electron valve marked a significant turning point in the miniaturization and efficiency of electronic components.The principle behind the electron valve is relatively simple yet profound. It operates on the concept of thermionic emission, where electrons are emitted from a heated cathode and can be controlled by applying a voltage to an anode. This allows the electron valve to act as a switch or amplifier, making it possible to control larger currents with smaller ones. This capability is crucial in various applications, from audio amplification to radio frequency transmission.One of the most notable applications of the electron valve is in radio technology. Early radios used electron valves to amplify weak radio signals, making it possible to receive broadcasts over long distances. The ability to modulate and demodulate signals using electron valves paved the way for the development of AM and FM radio, which became staples of communication in the 20th century.Furthermore, the electron valve played a vital role in the development of computers. The first electronic computers used vacuum tubes, a type of electron valve, for processing information. Although these early computers were large and consumed a lot of power, they demonstrated the potential of electronic computation. With the eventual transition to transistors, which are much smaller and more efficient than electron valves, the computing industry saw exponential growth.Despite the rise of transistors and integrated circuits, the electron valve is not entirely obsolete. In fact, it continues to find niche applications, particularly in high-power and high-frequency devices. For example, audiophiles often prefer tube amplifiers, which utilize electron valves, for their warm sound quality. Additionally, certain scientific instruments, such as oscilloscopes and specialized communication equipment, still rely on the unique properties of electron valves.In conclusion, the electron valve (电子阀) has had a lasting impact on the field of electronics and continues to influence modern technology. Its ability to control electric current efficiently has enabled countless innovations, shaping the way we communicate and process information. As we look towards the future, it is essential to appreciate the historical significance of the electron valve and its role in the evolution of electronic devices. Whether in vintage audio equipment or advanced scientific instruments, the legacy of the electron valve remains a testament to human ingenuity and technological progress.

电子阀的发明彻底改变了电子和通信领域。electron valve（电子阀）是一种控制电流在电路中流动的设备，允许信号的放大和切换。这项技术为现代电子设备奠定了基础，如收音机、电视和计算机。在electron valve出现之前，电子电路依赖于机械开关和真空管，这些设备笨重且效率低下。electron valve的引入标志着电子元件小型化和高效化的重要转折点。electron valve的原理相对简单但深刻。它基于热电子发射的概念，其中电子从加热的阴极发射，并可以通过施加电压到阳极来控制。这使得electron valve能够作为开关或放大器，使得用较小的电流控制较大的电流成为可能。这种能力在各种应用中至关重要，从音频放大到无线电频率传输。electron valve最著名的应用之一是在无线电技术中。早期的收音机使用electron valves来放大微弱的无线电信号，使其能够在长距离接收广播。利用electron valves调制和解调信号的能力为AM和FM无线电的发展铺平了道路，这些技术在20世纪成为通信的主流。此外，electron valve在计算机发展中发挥了重要作用。第一台电子计算机使用真空管，一种electron valve，进行信息处理。尽管这些早期计算机体积庞大且耗电量大，但它们展示了电子计算的潜力。随着向晶体管的过渡，晶体管比electron valves小得多且更高效，计算机行业经历了指数级增长。尽管晶体管和集成电路的兴起，electron valve并未完全过时。事实上，它仍然在一些特定应用中找到利基市场，特别是在高功率和高频设备中。例如，音响爱好者常常偏好使用管式放大器，这些放大器使用electron valves，因为它们的声音质量温暖。此外，某些科学仪器，如示波器和专用通信设备，仍然依赖于electron valves的独特特性。总之，electron valve（电子阀）对电子领域产生了持久影响，并继续影响现代技术。它有效控制电流的能力使无数创新成为可能，塑造了我们沟通和处理信息的方式。当我们展望未来时，必须欣赏electron valve的历史意义及其在电子设备演变中的作用。无论是在复古音响设备还是先进的科学仪器中，electron valve的遗产仍然是人类创造力和技术进步的见证。