porous getter

简明释义

多孔吸气剂

英英释义

例句

1.Researchers are exploring new compositions for porous getters to improve their performance in extreme conditions.

研究人员正在探索新的多孔吸附剂成分，以提高其在极端条件下的性能。

2.The use of a porous getter in vacuum systems helps to maintain low pressure by adsorbing residual gases.

在真空系统中使用多孔吸附剂有助于通过吸附残余气体来维持低压。

3.The porous getter material was designed to have a high surface area for maximum adsorption efficiency.

该多孔吸附剂材料的设计具有高表面积，以实现最大吸附效率。

4.In gas purification processes, a porous getter is essential for removing impurities from the gas stream.

在气体净化过程中，多孔吸附剂对于去除气流中的杂质至关重要。

5.The effectiveness of a porous getter can be influenced by factors such as temperature and pressure.

温度和压力等因素会影响多孔吸附剂的有效性。

作文

In the world of materials science and engineering, the term porous getter refers to a specialized type of material designed to absorb and trap gases or impurities from a given environment. These materials are characterized by their porous structure, which provides a large surface area for interaction with gas molecules. The effectiveness of a porous getter lies in its ability to selectively adsorb specific gases while allowing others to pass through, making it invaluable in various applications such as vacuum systems, gas purification, and even in certain types of sensors.The mechanism behind the operation of a porous getter is primarily based on the principles of adsorption. Adsorption occurs when gas molecules adhere to the surface of the material, often due to weak intermolecular forces. The porous nature of the getter means that it can trap a significant amount of gas, thus reducing the overall concentration of undesired substances in the environment. This property is particularly useful in maintaining the purity of vacuum systems, where any contamination can significantly affect performance.One of the most common applications of porous getters is in the field of electronics. In devices such as cathode ray tubes and vacuum tubes, maintaining a high vacuum is crucial for functionality. The presence of even trace amounts of gas can lead to reduced efficiency or failure of the device. By incorporating porous getters, manufacturers can ensure that these devices operate at optimal conditions, thus prolonging their lifespan and reliability.Moreover, porous getters are also employed in the production of high-purity gases. In many industrial processes, gases must be free from contaminants to ensure product quality. Here, porous getters play a critical role in filtering out unwanted components, thereby enhancing the overall quality of the final product. For instance, in the semiconductor industry, the presence of impurities can lead to defects in materials, so the use of porous getters is essential in maintaining the purity of the gases used during manufacturing.Another interesting application of porous getters is in the realm of environmental science. They can be utilized to capture greenhouse gases or other pollutants from the atmosphere, contributing to efforts aimed at reducing the impact of climate change. By effectively trapping harmful gases, porous getters could potentially play a role in developing technologies aimed at carbon capture and storage.In summary, the concept of a porous getter encompasses a range of materials that are essential in various scientific and industrial fields. Their ability to selectively adsorb gases makes them invaluable in applications requiring high purity and low contamination levels. As technology continues to advance, the development and optimization of porous getters will likely lead to even more innovative solutions to address challenges in electronics, environmental science, and beyond. Understanding the function and significance of porous getters is crucial for anyone involved in materials science or engineering, as they represent a key component in the quest for cleaner, more efficient technologies.

在材料科学和工程领域，术语多孔吸附剂指的是一种专门设计的材料，旨在从给定环境中吸收和捕获气体或杂质。这些材料的特点是其多孔结构，为与气体分子相互作用提供了较大的表面积。多孔吸附剂的有效性在于它能够选择性地吸附特定气体，同时允许其他气体通过，这使其在真空系统、气体净化甚至某些类型传感器等各种应用中变得不可或缺。多孔吸附剂的操作机制主要基于吸附原理。吸附发生在气体分子附着在材料表面时，通常是由于弱的分子间力。吸附剂的多孔特性意味着它可以捕获大量气体，从而减少环境中不需要物质的总体浓度。这一特性在维持真空系统的纯度方面尤其有用，因为任何污染都可能显著影响性能。多孔吸附剂最常见的应用之一是在电子领域。在阴极射线管和真空管等设备中，保持高真空对功能至关重要。即使是微量气体的存在也会导致设备效率降低或故障。通过引入多孔吸附剂，制造商可以确保这些设备在最佳条件下运行，从而延长其使用寿命和可靠性。此外，多孔吸附剂还被用于高纯气体的生产。在许多工业过程中，气体必须无污染以确保产品质量。在这里，多孔吸附剂在过滤掉不需要的成分方面发挥了关键作用，从而提高最终产品的整体质量。例如，在半导体行业，杂质的存在可能导致材料缺陷，因此在制造过程中使用多孔吸附剂对于保持气体的纯度至关重要。多孔吸附剂的另一个有趣应用是在环境科学领域。它们可以用于捕获温室气体或其他污染物，从而为减少气候变化影响的努力做出贡献。通过有效捕获有害气体，多孔吸附剂可能在开发旨在碳捕获和储存的技术中发挥作用。总之，多孔吸附剂的概念涵盖了一系列在各种科学和工业领域中至关重要的材料。它们选择性吸附气体的能力使其在要求高纯度和低污染水平的应用中不可或缺。随着技术的不断进步，多孔吸附剂的发展和优化可能会导致更多创新解决方案，以应对电子、环境科学及其他领域的挑战。理解多孔吸附剂的功能和重要性对于任何参与材料科学或工程的人来说都是至关重要的，因为它们代表了在追求更清洁、更高效技术过程中的关键组成部分。