glow discharge

简明释义

辉光放电

英英释义

Glow discharge is a type of electrical discharge characterized by a low-pressure gas ionization, producing a luminous glow and typically occurring in a vacuum or low-pressure environment.

辉光放电是一种电气放电类型,其特点是低压气体电离,产生发光的辉光,通常发生在真空或低压环境中。

例句

1.In plasma physics, glow discharge 辉光放电 is commonly used to generate low-temperature plasma.

在等离子体物理中,辉光放电 glow discharge 通常用于产生低温等离子体。

2.The glow discharge 辉光放电 phenomenon can be observed in neon signs when they are illuminated.

当霓虹灯点亮时,可以观察到 辉光放电 glow discharge 现象。

3.During the experiment, the scientists adjusted the voltage to optimize the glow discharge 辉光放电 characteristics.

在实验过程中,科学家调整了电压以优化 辉光放电 glow discharge 特性。

4.The researchers observed a significant increase in the intensity of the glow discharge 辉光放电 when the pressure was reduced.

研究人员观察到,当压力降低时,辉光放电 glow discharge 的强度显著增加。

5.The glow discharge 辉光放电 process is essential for the deposition of thin films in semiconductor manufacturing.

在半导体制造中,辉光放电 glow discharge 过程对于薄膜沉积至关重要。

作文

The phenomenon of glow discharge is a captivating subject in the field of plasma physics. It refers to a type of electrical discharge that occurs in gases at low pressures, resulting in a luminous effect. When an electric field is applied to a gas, it ionizes the gas molecules, creating free electrons and ions. This process leads to the formation of a glowing plasma known as glow discharge.

In practical applications, glow discharge is widely used in various industries, particularly in the field of material processing. For example, it plays a crucial role in surface treatment processes such as sputtering and plasma etching. During sputtering, a target material is bombarded by ions produced in the glow discharge, causing atoms to be ejected from the target and deposited onto a substrate. This method is essential in the production of thin films for electronic devices, solar cells, and optical coatings.

Moreover, glow discharge is also utilized in the field of analytical chemistry. Techniques such as glow discharge optical emission spectroscopy (GDOES) leverage the characteristics of glow discharge to analyze the composition of materials. In GDOES, the sample is subjected to a glow discharge, which excites the atoms in the sample, causing them to emit light at characteristic wavelengths. By measuring this emitted light, scientists can determine the elemental composition of the material being analyzed.

Another fascinating aspect of glow discharge is its occurrence in nature. For instance, it is responsible for the beautiful phenomenon of auroras observed near the poles. The interaction between charged particles from the sun and the Earth's magnetic field leads to ionization of the atmospheric gases, resulting in a natural glow discharge that creates stunning light displays in the night sky.

Despite its many benefits, working with glow discharge requires careful consideration of safety measures. The ionized gases produced during the discharge can be hazardous, and appropriate precautions must be taken to protect personnel and equipment. Researchers and engineers must ensure that they operate within safe limits to prevent harmful exposure to radiation or toxic gases.

In conclusion, glow discharge is a remarkable phenomenon with significant implications in both scientific research and industrial applications. Its ability to generate plasma and facilitate various processes makes it an invaluable tool in modern technology. As our understanding of glow discharge continues to evolve, we can expect to see even more innovative uses and advancements in this exciting field.

“辉光放电”现象是等离子体物理领域中的一个迷人课题。它指的是在低压气体中发生的一种电气放电类型,导致发光效果。当将电场施加于气体时,它会使气体分子电离,产生自由电子和离子。这个过程导致形成一种称为“辉光放电”的发光等离子体。

在实际应用中,“辉光放电”被广泛用于各个行业,特别是在材料加工领域。例如,它在表面处理过程中起着至关重要的作用,如溅射和等离子体刻蚀。在溅射过程中,目标材料被“辉光放电”中产生的离子轰击,导致原子从目标中弹出并沉积到基材上。这种方法在电子设备、太阳能电池和光学涂层的薄膜生产中是必不可少的。

此外,“辉光放电”还被用于分析化学领域。诸如辉光放电光谱法(GDOES)等技术利用“辉光放电”的特性来分析材料的成分。在GDOES中,样品受到“辉光放电”的影响,激发样品中的原子,导致它们以特征波长发光。通过测量这些发出的光,科学家可以确定被分析材料的元素组成。

“辉光放电”的另一个迷人方面是它在自然界中的发生。例如,它是导致极地附近观察到的美丽极光现象的原因。来自太阳的带电粒子与地球磁场的相互作用导致大气气体电离,从而产生自然的“辉光放电”,在夜空中创造出惊艳的光影展示。

尽管有许多好处,但处理“辉光放电”时需要仔细考虑安全措施。在放电过程中产生的电离气体可能是危险的,必须采取适当的预防措施来保护人员和设备。研究人员和工程师必须确保在安全限度内操作,以防止对辐射或有毒气体的有害暴露。

总之,“辉光放电”是一种显著的现象,在科学研究和工业应用中具有重要意义。它生成等离子体并促进各种过程的能力,使其成为现代技术中不可或缺的工具。随着我们对“辉光放电”理解的不断发展,我们可以期待在这一激动人心的领域看到更多创新的用途和进展。