vacuum lamp

简明释义

真空管

英英释义

A vacuum lamp is an electrical device that uses a vacuum to allow the flow of electric current through a sealed glass bulb, typically containing a filament that emits light when heated.

真空灯是一种电气设备,利用真空使电流通过一个密封的玻璃灯泡,通常包含一个加热时发光的灯丝。

例句

1.The scientist explained how a vacuum lamp works by creating a vacuum inside the glass.

科学家解释了真空灯如何通过在玻璃内创建真空来工作。

2.In the museum, you can see a display of antique vacuum lamps from the early 20th century.

在博物馆里,你可以看到20世纪初的古董真空灯展览。

3.Many vintage radios used vacuum lamps for amplification.

许多复古收音机使用真空灯进行放大。

4.The old streetlights still use a vacuum lamp, which gives off a warm glow.

这条老街的路灯仍然使用真空灯,发出温暖的光芒。

5.Replacing a blown vacuum lamp can be tricky due to its delicate nature.

更换烧坏的真空灯可能很棘手,因为它很脆弱。

作文

The invention of the vacuum lamp revolutionized the field of electronics and lighting. Before its creation, incandescent bulbs were the primary source of light, but they had several limitations, such as short lifespan and inefficiency. The vacuum lamp, on the other hand, operates in a vacuum environment, which significantly reduces the amount of gas that can cause deterioration of the filament. This innovation allowed for longer-lasting and more efficient lighting solutions. The basic principle behind a vacuum lamp involves a sealed glass envelope that contains a filament, typically made of tungsten. When an electric current passes through the filament, it heats up and emits light. The vacuum inside the lamp prevents oxidation of the filament, allowing it to glow brighter and last longer than traditional incandescent bulbs. This advancement not only improved household lighting but also paved the way for various applications in technology and industry.Moreover, the vacuum lamp played a crucial role in the development of early electronic devices. In the early 20th century, these lamps were used in radio transmission and reception, enabling clearer signals and better sound quality. They were also integral components in the creation of early computers, where they functioned as switches and amplifiers. Without the vacuum lamp, the technological advancements we enjoy today might have taken much longer to achieve.As time went on, the vacuum lamp was eventually replaced by more modern technologies, such as transistors and LEDs. However, its impact on the world of electronics cannot be overstated. The principles of the vacuum lamp continue to influence various fields, including physics and engineering. Today, while we may not rely on vacuum lamps for everyday lighting, understanding their function and historical significance is essential for appreciating the evolution of technology.In conclusion, the vacuum lamp is more than just a source of light; it symbolizes a significant leap in technological innovation. Its ability to enhance efficiency and longevity has left a lasting legacy in both the lighting industry and the broader realm of electronics. As we continue to innovate and create new technologies, it is important to remember the foundational elements that have shaped our current landscape. The vacuum lamp serves as a reminder of the ingenuity and creativity that drive progress in science and technology, paving the way for future innovations.

真空灯的发明彻底改变了电子学和照明领域。在它问世之前,白炽灯泡是主要的光源,但它们有几个局限性,例如寿命短和效率低。另一方面,真空灯在真空环境中工作,这显著减少了可能导致灯丝劣化的气体的量。这一创新使得更持久和更高效的照明解决方案成为可能。真空灯的基本原理涉及一个密封的玻璃外壳,里面包含一个通常由钨制成的灯丝。当电流通过灯丝时,它会加热并发出光。灯内的真空防止了灯丝的氧化,使其能够比传统白炽灯泡发出更亮的光并持续更长时间。这一进步不仅改善了家庭照明,还为技术和工业中的各种应用铺平了道路。此外,真空灯在早期电子设备的发展中发挥了至关重要的作用。在20世纪初,这些灯被用于无线电传输和接收,使信号更清晰、音质更好。它们也是早期计算机创建中的重要组成部分,在那里它们作为开关和放大器工作。如果没有真空灯,我们今天享受的技术进步可能需要更长的时间才能实现。随着时间的推移,真空灯最终被更现代的技术所取代,例如晶体管和LED。然而,它对电子世界的影响不容小觑。真空灯的原理继续影响物理学和工程等各个领域。今天,尽管我们可能不再依赖真空灯进行日常照明,但理解它们的功能和历史意义对于欣赏技术的演变至关重要。总之,真空灯不仅仅是光源;它象征着技术创新的重要飞跃。它提高效率和耐久性的能力在照明行业和更广泛的电子领域留下了持久的遗产。在我们继续创新和创造新技术的同时,记住塑造我们当前格局的基础元素是重要的。真空灯提醒我们推动科学和技术进步的独创性和创造力,为未来的创新铺平道路。

相关单词

vacuum

vacuum详解:怎么读、什么意思、用法

lamp

lamp详解:怎么读、什么意思、用法