discharge tube

简明释义

排出管放电管闸流管

英英释义

例句

1.During the experiment, the discharge tube emitted a bright glow when high voltage was applied.

在实验过程中，当施加高电压时，放电管发出明亮的光芒。

2.The discharge tube is essential for demonstrating how gases conduct electricity.

放电管对于演示气体如何导电是必不可少的。

3.The scientist carefully placed the gas into the discharge tube to observe the electrical discharge.

科学家小心地将气体放入放电管中以观察电气放电。

4.We need to replace the faulty discharge tube in order to continue our experiments.

我们需要更换故障的放电管以继续我们的实验。

5.In neon signs, the discharge tube is filled with neon gas to produce colorful lights.

在霓虹灯中，放电管充满了氖气以产生多彩的光。

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 container that contains a gas at low pressure. When a high voltage is applied across the electrodes inside the tube, it ionizes the gas, allowing electric current to flow through it. This phenomenon can create various effects, such as light emission and the production of X-rays, which have numerous applications in science and industry.One of the most famous experiments involving a discharge tube was conducted by J.J. Thomson in 1897. He used a discharge tube to discover the electron, a fundamental particle that has since become a cornerstone of atomic theory. By observing the behavior of cathode rays produced in the discharge tube, Thomson was able to conclude that these rays were composed of negatively charged particles, which he named electrons. This groundbreaking discovery paved the way for further research into atomic structure and quantum mechanics.In addition to its historical significance, the discharge tube continues to be an essential tool in laboratories around the world. Scientists use it to study the properties of gases and the behavior of charged particles under various conditions. The discharge tube can also be modified to create different types of experiments, such as those involving the study of plasma, the fourth state of matter. Plasma is created when a gas is ionized to such an extent that it becomes a soup of charged particles, and understanding its properties is crucial for advancements in fields like astrophysics and fusion energy.Moreover, the discharge tube has practical applications beyond the laboratory. For instance, neon signs utilize the principles of the discharge tube to produce colorful light displays. When an electric current passes through the gas inside the tube, it emits light in various colors depending on the type of gas used. This application showcases how the basic principles of physics can be harnessed for artistic expression and commercial use.Furthermore, discharge tubes are also used in medical devices, such as X-ray machines. In these machines, the discharge tube generates X-rays that can penetrate the human body, allowing doctors to visualize internal structures for diagnostic purposes. This technology has revolutionized medicine, enabling non-invasive examination of patients and leading to earlier detection of diseases.In conclusion, the discharge tube is more than just a simple scientific instrument; it is a gateway to understanding the fundamental principles of electricity and matter. From its historical role in the discovery of the electron to its modern applications in neon lighting and medical imaging, the discharge tube exemplifies the intersection of science and technology. As we continue to explore the mysteries of the universe, the discharge tube will undoubtedly remain an important tool in our quest for knowledge and innovation.

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容器，内部含有低压气体。当在管内的电极之间施加高电压时，它会使气体电离，从而允许电流通过。这种现象可以产生各种效果，如发光和X射线的产生，这些在科学和工业中有着众多应用。最著名的关于放电管的实验是由J.J.汤姆森于1897年进行的。他使用放电管发现了电子，这一基本粒子至今已成为原子理论的基石。通过观察在放电管中产生的阴极射线的行为，汤姆森得出结论，这些射线由带负电的粒子组成，他将其命名为电子。这一突破性的发现为进一步研究原子结构和量子力学铺平了道路。除了历史意义外，放电管仍然是世界各地实验室中的重要工具。科学家们利用它研究气体的性质以及带电粒子在不同条件下的行为。放电管也可以被修改以创建不同类型的实验，例如研究等离子体，物质的第四种状态。当气体被电离到如此程度时，它变成带电粒子的汤，理解其性质对于天体物理学和聚变能源等领域的进步至关重要。此外，放电管在实验室之外也有实际应用。例如，霓虹灯利用放电管的原理产生色彩缤纷的光显示。当电流通过管内的气体时，根据所用气体的类型，它会发出不同颜色的光。这一应用展示了物理学基本原理如何被用于艺术表达和商业用途。此外，放电管还用于医疗设备，如X光机。在这些机器中，放电管生成的X射线可以穿透人体，使医生能够可视化内部结构以进行诊断。这项技术彻底改变了医学，使得对患者的非侵入性检查成为可能，并促进了疾病的早期发现。总之，放电管不仅仅是一个简单的科学仪器；它是理解电和物质基本原理的门户。从其在发现电子中的历史角色到在霓虹灯和医学成像中的现代应用，放电管体现了科学与技术的交汇。随着我们继续探索宇宙的奥秘，放电管无疑将继续在我们追求知识和创新的过程中扮演重要角色。