mercuryvapour lamp
简明释义
水银灯
英英释义
例句
1.The aquarium's lighting system includes a mercuryvapour lamp to simulate natural sunlight for the fish.
水族馆的照明系统包括一个汞蒸气灯,以模拟鱼类的自然阳光。
2.The old cinema still relies on mercuryvapour lamp for its marquee lighting.
这家老电影院仍然依赖于汞蒸气灯来进行招牌照明。
3.In the factory, we use mercuryvapour lamp for better visibility during night shifts.
在工厂里,我们使用汞蒸气灯以便在夜班时获得更好的可见度。
4.Many sports facilities use mercuryvapour lamp to ensure the fields are well-lit for evening games.
许多体育场馆使用汞蒸气灯来确保晚间比赛时场地光线充足。
5.The streetlights in our neighborhood are powered by mercuryvapour lamp, which provide bright illumination at night.
我们社区的街灯由汞蒸气灯供电,夜间提供明亮的照明。
作文
The invention of artificial lighting has significantly transformed our daily lives, allowing us to extend our activities beyond daylight hours. One of the most notable advancements in lighting technology is the mercury vapour lamp (汞蒸气灯). These lamps have been widely used for various applications, including street lighting, industrial facilities, and large indoor spaces. Understanding how mercury vapour lamps work and their advantages can provide insights into their continued relevance in today's world.A mercury vapour lamp is a type of gas discharge lamp that produces light by passing an electric current through vaporized mercury. The lamp consists of a glass tube filled with a small amount of mercury and an inert gas, typically argon. When electricity flows through the lamp, it ionizes the argon gas, creating a conductive path that allows the current to excite the mercury atoms. As these atoms return to their ground state, they emit ultraviolet (UV) light. This UV light then interacts with a phosphor coating on the inside of the lamp, producing visible light.One of the primary advantages of mercury vapour lamps is their efficiency. They produce a high lumen output per watt of electricity consumed, making them suitable for large-scale lighting applications. For instance, many cities around the world have utilized mercury vapour lamps for street lighting due to their ability to illuminate wide areas effectively. Additionally, their long lifespan—often exceeding 24,000 hours—means that they require less frequent replacement compared to traditional incandescent bulbs, reducing maintenance costs over time.However, despite their benefits, mercury vapour lamps are not without drawbacks. One significant concern is their environmental impact. The presence of mercury, a toxic heavy metal, poses risks if the lamps are broken or improperly disposed of. Many regions have implemented regulations regarding the disposal of mercury vapour lamps to mitigate these risks. Furthermore, newer lighting technologies, such as light-emitting diodes (LEDs), have emerged, offering even greater energy efficiency and lower environmental impact. As a result, some municipalities have begun transitioning away from mercury vapour lamps in favor of these more sustainable options.In conclusion, the mercury vapour lamp (汞蒸气灯) has played a crucial role in the evolution of artificial lighting. Its unique mechanism of light production and efficiency made it a popular choice for various applications, particularly in outdoor and industrial settings. However, as technology advances and environmental concerns grow, the future of mercury vapour lamps may be limited as society shifts towards greener alternatives. Understanding both the advantages and limitations of this technology is essential for making informed decisions about its use in the modern world.
相关单词