vacuum lamp

简明释义

真空白炽灯

英英释义

例句

1.In vintage electronics, a vacuum lamp is essential for operation.

在复古电子设备中，真空灯对操作至关重要。

2.The museum has an exhibit on the history of the vacuum lamp.

博物馆有一个关于真空灯历史的展览。

3.Many audiophiles prefer vacuum lamps for their warm sound quality.

许多音响爱好者更喜欢真空灯因其温暖的音质。

4.He replaced the broken vacuum lamp in his guitar amplifier.

他更换了吉他放大器中坏掉的真空灯。

5.The old radio uses a vacuum lamp to amplify the sound.

这台老式收音机使用真空灯来放大声音。

作文

The invention of the vacuum lamp has played a pivotal role in the history of electrical engineering and lighting technology. Before the advent of the vacuum lamp, people relied on candles, oil lamps, and gas lighting for illumination. These sources, while effective to some extent, had numerous drawbacks including safety hazards, limited brightness, and poor energy efficiency. The vacuum lamp, however, revolutionized the way we think about light. A vacuum lamp consists of a glass envelope that contains a vacuum, which means it has had all the air removed from it. Inside this envelope, there is a filament that is heated to produce light when an electric current passes through it. The absence of air prevents the filament from oxidizing, allowing it to glow brightly without burning out quickly. This innovation not only increased the lifespan of the light bulb but also made it much more efficient compared to its predecessors. The first practical vacuum lamp was developed by Thomas Edison in the late 19th century. Edison's work built upon earlier experiments by inventors such as Sir Humphry Davy and Joseph Swan, who had laid the groundwork for electric lighting. However, it was Edison's design that led to the mass production of vacuum lamps, making electric light accessible to the general public. The impact of the vacuum lamp extended beyond just providing light; it transformed society. Factories could operate longer hours, streets became safer with electric streetlights, and homes were illuminated, enhancing quality of life. The widespread adoption of electric lighting catalyzed the growth of cities and changed social behaviors, as people could now engage in activities after dark. In addition to residential and commercial uses, vacuum lamps found their way into various industries. They became integral components in devices such as televisions and radios, where they were used to amplify signals. The versatility of the vacuum lamp demonstrated its importance in technological advancements during the 20th century. However, as technology progressed, the vacuum lamp began to face competition from newer lighting technologies, such as fluorescent and LED bulbs. These alternatives offered even greater energy efficiency and longer lifespans. Despite this, the vacuum lamp remains a significant milestone in the development of lighting. It is still used in specific applications, such as high-power broadcasting and certain types of scientific research. In conclusion, the vacuum lamp represents a remarkable achievement in the field of lighting technology. Its invention not only changed the way we illuminate our lives but also had far-reaching effects on society and industry. Although modern advancements have provided us with more efficient lighting solutions, the legacy of the vacuum lamp endures, reminding us of the ingenuity and creativity that drive technological progress. Understanding the significance of the vacuum lamp helps us appreciate the innovations that shape our daily lives and the historical context of modern technology.

真空灯的发明在电气工程和照明技术的历史上发挥了关键作用。在真空灯出现之前，人们依靠蜡烛、油灯和煤气灯来照明。这些光源虽然在某种程度上有效，但也有许多缺点，包括安全隐患、亮度有限和能效低下。然而，真空灯彻底改变了我们对光的看法。真空灯由一个玻璃外壳组成，内部是一个真空，这意味着里面的空气被完全抽走。在这个外壳内，有一个灯丝，当电流通过时，它会被加热以产生光。缺乏空气防止了灯丝氧化，使其能够明亮地发光而不会快速烧坏。这一创新不仅延长了灯泡的使用寿命，还使其比前身更加高效。第一款实用的真空灯是在19世纪末由托马斯·爱迪生开发的。爱迪生的工作建立在早期发明家如亨弗里·戴维和约瑟夫·斯旺的实验基础上，他们为电照明奠定了基础。然而，正是爱迪生的设计导致了真空灯的大规模生产，使电灯可供公众使用。真空灯的影响不仅限于提供光；它改变了社会。工厂可以延长工作时间，街道在电街灯的照明下变得更安全，家庭被照亮，生活质量得以提升。电照明的广泛应用催生了城市的发展，并改变了社会行为，因为人们现在可以在黑暗中进行活动。除了住宅和商业用途，真空灯还进入了各个行业。它们成为电视和收音机等设备中的重要组成部分，用于放大信号。真空灯的多功能性展示了它在20世纪技术进步中的重要性。然而，随着技术的发展，真空灯开始面临来自更新照明技术的竞争，例如荧光灯和LED灯。这些替代品提供了更高的能效和更长的使用寿命。尽管如此，真空灯仍然是照明发展的重要里程碑。它仍然在特定应用中使用，例如高功率广播和某些类型的科学研究。总之，真空灯代表了照明技术领域的一项显著成就。它的发明不仅改变了我们照亮生活的方式，还对社会和工业产生了深远的影响。尽管现代技术提供了更高效的照明解决方案，但真空灯的遗产依然存在，提醒我们推动技术进步的创造力和智慧。理解真空灯的重要性帮助我们欣赏塑造我们日常生活的创新以及现代技术的历史背景。