discharge tube

简明释义

放电管

英英释义

例句

1.The discharge tube can be filled with different gases to observe their unique properties.

可以将不同的气体填充到放电管中，以观察它们的独特性质。

2.We need to replace the old discharge tube in the lab with a new one for better results.

我们需要用新的放电管替换实验室里的旧管，以获得更好的结果。

3.The scientist used a discharge tube to demonstrate the principles of gas ionization.

科学家使用了一个放电管来演示气体电离的原理。

4.In the experiment, the discharge tube emitted a bright glow when high voltage was applied.

在实验中，当施加高电压时，放电管发出了明亮的光芒。

5.The discharge tube is essential for studying the behavior of electrons in a vacuum.

研究真空中电子行为时，放电管是必不可少的。

作文

The invention of the discharge tube has played a significant role in the development of modern physics and technology. A discharge tube is a sealed glass or metal container from which most of the air has been evacuated, allowing for the conduction of electricity through the gas inside. When a high voltage is applied across the electrodes within the tube, gas atoms become ionized, leading to the emission of light and the generation of plasma. This phenomenon has not only fascinated scientists but has also paved the way for numerous applications in various fields.One of the most notable uses of the discharge tube is in the creation of neon lights. When an electric current passes through a discharge tube filled with neon gas, it produces a bright orange-red glow. This characteristic light has made neon signs popular for advertising and decoration, illuminating city streets and providing a unique aesthetic appeal. The versatility of the discharge tube allows for different gases to be used, resulting in a spectrum of colors that can be achieved by mixing various gases or using phosphor coatings on the inside of the tube.In addition to their decorative uses, discharge tubes have significant implications in scientific research. They are often employed in laboratories to study the properties of gases under low-pressure conditions. By observing the behavior of gas particles when they are energized, scientists can learn more about atomic structure, energy levels, and the nature of light. This research has contributed to advancements in quantum mechanics and has enhanced our understanding of fundamental physical principles.Moreover, discharge tubes are crucial components in devices such as cathode ray tubes (CRTs) and oscilloscopes. In CRTs, electrons are emitted from a heated cathode and accelerated through a vacuum towards a phosphorescent screen, where they create images. This technology was widely used in older television sets and computer monitors before the advent of flat-screen displays. Oscilloscopes, on the other hand, utilize discharge tubes to visualize electrical signals, making them essential tools for engineers and technicians in diagnosing electronic circuits.The educational value of discharge tubes cannot be overstated. They are commonly used in classrooms and laboratories to demonstrate principles of electricity, magnetism, and gas behavior. Experiments involving discharge tubes can captivate students' attention and inspire a deeper interest in the sciences. For example, observing the colorful discharge of gases when a high voltage is applied can spark discussions about atomic theory and the electromagnetic spectrum.In conclusion, the discharge tube is a remarkable invention that has had a profound impact on both scientific research and practical applications. Its ability to produce light and facilitate the study of gases has opened up new avenues in physics and technology. As we continue to explore the potential of discharge tubes, we may uncover even more innovative uses that could shape the future of science and industry. Understanding the significance of the discharge tube allows us to appreciate its contributions to our modern world, highlighting the intersection of art, science, and technology.

放电管的发明在现代物理学和技术的发展中发挥了重要作用。放电管是一个密封的玻璃或金属容器，内部大部分空气被抽走，从而允许电流通过内部气体。当在管内电极之间施加高电压时，气体原子被电离，导致光的发射和等离子体的生成。这一现象不仅让科学家们着迷，也为各个领域的众多应用铺平了道路。放电管最显著的用途之一是在霓虹灯的制造中。当电流通过充满氖气的放电管时，会产生明亮的橙红色光芒。这种特征光线使得霓虹灯在广告和装饰中广受欢迎，照亮城市街道，并提供独特的美学吸引力。放电管的多样性允许使用不同的气体，从而实现通过混合各种气体或在管内表面使用荧光粉涂层来获得一系列颜色。除了装饰用途，放电管在科学研究中也具有重要意义。它们常常在实验室中用于研究低压条件下气体的性质。通过观察当气体粒子被激发时的行为，科学家们可以更深入地了解原子结构、能级和光的本质。这项研究为量子力学的进步做出了贡献，并增强了我们对基本物理原理的理解。此外，放电管是阴极射线管（CRT）和示波器等设备的重要组成部分。在CRT中，电子从加热的阴极发射，并通过真空加速到磷光屏上，形成图像。这项技术在平面显示器出现之前广泛应用于老式电视机和计算机显示器。另一方面，示波器利用放电管可视化电信号，使其成为工程师和技术人员在诊断电子电路时的必备工具。放电管的教育价值不容小觑。它们通常用于教室和实验室中，演示电力、磁力和气体行为的原理。涉及放电管的实验能够吸引学生的注意，并激发他们对科学的更深兴趣。例如，当施加高电压时观察气体的多彩放电，可以引发关于原子理论和电磁谱的讨论。总之，放电管是一项了不起的发明，对科学研究和实际应用产生了深远的影响。它产生光线并促进气体研究的能力为物理学和技术开辟了新的途径。随着我们继续探索放电管的潜力，我们可能会发现更多创新的用途，这些用途可能会塑造科学和工业的未来。理解放电管的重要性让我们能够欣赏它对现代世界的贡献，突显艺术、科学和技术的交汇。