glow discharge

简明释义

辉光放电

英英释义

例句

1.The glow discharge 辉光放电 phenomenon is essential in various applications such as lighting and surface treatment.

辉光放电 glow discharge 现象在照明和表面处理等各种应用中至关重要。

2.In plasma physics, glow discharge 辉光放电 is often used to generate low-temperature plasmas.

在等离子体物理中，辉光放电 glow discharge 常用于生成低温等离子体。

3.During the experiment, the glow discharge 辉光放电 clearly indicated the presence of reactive species in the chamber.

在实验过程中，辉光放电 glow discharge 清晰地指示了腔室中反应物种的存在。

4.Scientists are exploring new materials that can enhance the efficiency of glow discharge 辉光放电 processes.

科学家们正在探索能够提高辉光放电 glow discharge 过程效率的新材料。

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

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。

作文

In the realm of physics and electrical engineering, the term glow discharge refers to a phenomenon that occurs when a gas becomes ionized and conducts electricity. This process typically takes place in a low-pressure environment, where the gas molecules are subjected to an electric field. As the voltage is applied, electrons are stripped from the gas atoms, resulting in the formation of positive ions and free electrons. The interaction between these charged particles leads to the characteristic glow that gives this discharge its name. Glow discharge is not only a fascinating topic in theoretical studies but also has numerous practical applications in various fields.One of the most significant applications of glow discharge is in the field of material science. It is used in processes such as sputtering and plasma etching, which are essential for the fabrication of semiconductors and thin films. During sputtering, a target material is bombarded with energetic ions generated from the glow discharge, causing atoms from the target to be ejected and deposited onto a substrate. This method allows for precise control over the thickness and composition of the deposited layers, making it invaluable in the production of electronic devices.Additionally, glow discharge is utilized in surface modification techniques. By exposing materials to a glow discharge, their surface properties can be altered to enhance adhesion, wettability, and chemical reactivity. This is particularly important in industries such as coatings, textiles, and biomedical devices, where improved surface characteristics can lead to better performance and longevity of products.Another area where glow discharge plays a crucial role is in analytical chemistry. Techniques like Glow Discharge Optical Emission Spectroscopy (GD-OES) leverage this phenomenon to analyze the elemental composition of solid materials. In GD-OES, a glow discharge is created between the sample and an electrode, allowing for the emission of light from excited atoms. By measuring the intensity of this emitted light at various wavelengths, scientists can identify and quantify the elements present in the sample. This technique is highly sensitive and can detect trace amounts of elements, making it a powerful tool in material characterization.Furthermore, glow discharge is also relevant in the study of astrophysics and atmospheric sciences. In space, the interaction of solar wind with planetary atmospheres can create conditions similar to glow discharge, leading to phenomena such as auroras. Understanding these processes helps scientists gain insights into atmospheric dynamics and the behavior of celestial bodies.In conclusion, the concept of glow discharge encompasses a wide range of physical and practical implications. From its role in material processing and surface modification to its applications in analytical techniques and astrophysical phenomena, glow discharge serves as a bridge between theoretical physics and real-world applications. As research continues to unfold in this area, we can expect to see even more innovative uses of this fascinating phenomenon, further enhancing our understanding of both technology and the natural world.

在物理学和电气工程的领域中，术语辉光放电指的是一种现象，当气体被电离并导电时发生。这一过程通常发生在低压环境中，气体分子受到电场的影响。当施加电压时，电子从气体原子中被剥离，形成正离子和自由电子。这些带电粒子之间的相互作用导致了这种放电特有的光辉，从而使其得名。辉光放电不仅是理论研究中的一个迷人话题，还有许多实际应用于各个领域。辉光放电最重要的应用之一是在材料科学领域。它用于溅射和等离子体刻蚀等工艺，这对于半导体和薄膜的制造至关重要。在溅射过程中，目标材料被由辉光放电产生的能量离子轰击，导致目标中的原子被弹出并沉积到基板上。这种方法允许对沉积层的厚度和组成进行精确控制，使其在电子设备生产中不可或缺。此外，辉光放电还用于表面改性技术。通过将材料暴露于辉光放电中，可以改变其表面特性，以增强附着力、润湿性和化学反应性。这在涂层、纺织品和生物医学设备等行业中特别重要，因为改善的表面特性可以提高产品的性能和耐用性。辉光放电在分析化学中的另一个重要作用是。像辉光放电光谱（GD-OES）这样的技术利用这一现象来分析固体材料的元素组成。在GD-OES中，样品与电极之间产生辉光放电，允许激发原子发出光。通过测量在不同波长下发射光的强度，科学家可以识别和量化样品中存在的元素。这种技术具有高灵敏度，能够检测微量元素，是材料表征的强大工具。此外，辉光放电在天体物理学和大气科学的研究中也相关。在太空中，太阳风与行星大气的相互作用可以创造出类似于辉光放电的条件，导致极光等现象的发生。理解这些过程帮助科学家获得对大气动态和天体行为的洞察。总之，辉光放电的概念涵盖了广泛的物理和实际意义。从它在材料加工和表面改性中的作用，到它在分析技术和天体物理现象中的应用，辉光放电作为理论物理和现实应用之间的桥梁。随着这方面研究的不断展开，我们可以期待看到这一迷人现象的更多创新用途，进一步增强我们对技术和自然世界的理解。