cathode fall space

简明释义

阴极电位降空间

英英释义

例句

1.The design of the cathode fall space is critical in high-power microwave devices.

阴极降落区的设计在高功率微波设备中至关重要。

2.In a vacuum tube, the electrons travel through the cathode fall space, which is crucial for their acceleration.

在真空管中，电子通过阴极降落区，这是它们加速的关键。

3.Understanding the characteristics of the cathode fall space helps improve electron beam quality.

理解阴极降落区的特性有助于提高电子束质量。

4.In plasma physics, the cathode fall space plays a vital role in plasma generation.

在等离子体物理中，阴极降落区在等离子体生成中起着至关重要的作用。

5.The cathode fall space can significantly affect the performance of gas discharge tubes.

阴极降落区可以显著影响气体放电管的性能。

作文

In the study of plasma physics, the concept of cathode fall space plays a crucial role in understanding the behavior of electrons and ions in a vacuum tube or discharge tube. The cathode fall space refers to the region near the cathode where the electric potential drops significantly due to the emission of electrons from the cathode surface. This phenomenon is essential for the operation of various electronic devices, such as cathode ray tubes and fluorescent lamps.When a voltage is applied across a vacuum tube, the cathode, which is negatively charged, emits electrons into the surrounding vacuum. These electrons are then accelerated towards the anode, which is positively charged. However, the region immediately adjacent to the cathode experiences a steep drop in electric potential, creating what we refer to as the cathode fall space. In this region, the electric field is strong enough to influence the motion of the emitted electrons, causing them to gain energy as they move away from the cathode.The significance of the cathode fall space cannot be overstated. It determines the efficiency of electron emission and influences the overall performance of the device. For example, in a cathode ray tube, the characteristics of the cathode fall space affect the brightness and clarity of the displayed image. A well-defined cathode fall space allows for optimal electron acceleration, resulting in a more intense beam that produces sharper images.Furthermore, the cathode fall space is also vital in understanding the ionization processes that occur in gas discharge tubes. When a gas is introduced into the tube, the presence of the cathode fall space facilitates the ionization of gas atoms, leading to the generation of positive ions and additional electrons. This process is fundamental to the operation of fluorescent lights, where the excitation of gas atoms results in the emission of visible light.In practical applications, engineers and physicists must consider the properties of the cathode fall space when designing electronic components. Factors such as the material of the cathode, the gas composition in the tube, and the applied voltage can all influence the characteristics of this space. By optimizing these parameters, it is possible to enhance the performance of devices that rely on electron emission and gas ionization.In conclusion, the cathode fall space is a critical concept in plasma physics and electronics. Its understanding is essential for the development of efficient electronic devices and for advancing technologies that utilize electron and ion dynamics. As research continues in this field, further insights into the cathode fall space will undoubtedly lead to innovations that improve existing technologies and pave the way for new applications in electronics and beyond.

在等离子体物理学的研究中，阴极降落空间这一概念在理解真空管或放电管中电子和离子的行为方面起着至关重要的作用。阴极降落空间是指靠近阴极的区域，在该区域，由于阴极表面释放电子，电势显著下降。这一现象对于各种电子设备的运行至关重要，例如阴极射线管和荧光灯。当在真空管中施加电压时，带负电的阴极会向周围的真空中发射电子。这些电子随后被加速朝向带正电的阳极。然而，紧邻阴极的区域经历了电势的急剧下降，形成了我们所称的阴极降落空间。在这一区域，电场足够强大，可以影响释放电子的运动，使它们在远离阴极的过程中获得能量。阴极降落空间的重要性不容小觑。它决定了电子发射的效率，并影响设备的整体性能。例如，在阴极射线管中，阴极降落空间的特性影响着显示图像的亮度和清晰度。明确的阴极降落空间允许最佳的电子加速，导致更强的束流，从而产生更清晰的图像。此外，阴极降落空间在理解气体放电管中发生的电离过程时也至关重要。当气体被引入管中时，阴极降落空间的存在促进了气体原子的电离，导致正离子和额外电子的生成。这个过程对于荧光灯的运行是基础，因为气体原子的激发导致可见光的发射。在实际应用中，工程师和物理学家在设计电子元件时必须考虑阴极降落空间的特性。阴极的材料、管中气体的组成以及施加的电压等因素都可以影响这一空间的特性。通过优化这些参数，可以提高依赖电子发射和气体电离的设备的性能。总之，阴极降落空间是等离子体物理学和电子学中的一个关键概念。理解这一概念对于开发高效的电子设备和推进利用电子和离子动态的技术至关重要。随着这一领域研究的不断深入，对阴极降落空间的进一步认识无疑将推动现有技术的创新，并为电子学及其他领域的新应用铺平道路。