gas permeability

简明释义

透气性

英英释义

例句

1.High gas permeability is crucial for applications in fuel cells.

高气体渗透性对燃料电池的应用至关重要。

2.Researchers found that the gas permeability of the polymer increased with temperature.

研究人员发现，聚合物的气体渗透性随着温度的升高而增加。

3.The study aimed to measure the gas permeability of various membrane materials under different conditions.

这项研究旨在测量各种膜材料在不同条件下的气体渗透性。

4.To improve the gas permeability of the packaging, a new composite material was developed.

为了改善包装的气体渗透性，开发了一种新型复合材料。

5.The gas permeability of soil affects how well plants can absorb water and nutrients.

土壤的气体渗透性影响植物吸收水分和养分的能力。

作文

Gas permeability is a crucial property that defines how easily gases can pass through a material. It plays a significant role in various fields, including engineering, environmental science, and materials science. Understanding gas permeability (气体渗透性) is essential for designing effective barriers, selecting appropriate materials for specific applications, and analyzing the behavior of gases in different environments. In engineering, gas permeability (气体渗透性) is particularly important in the context of construction materials. For instance, when designing buildings, architects must consider how air and moisture can move through walls and roofs. Materials with high gas permeability (气体渗透性) may allow unwanted drafts and moisture ingress, leading to issues such as mold growth and energy inefficiency. Conversely, materials with low gas permeability (气体渗透性) can help maintain indoor air quality and thermal comfort, making them ideal for insulation purposes. In environmental science, gas permeability (气体渗透性) is vital for understanding how pollutants disperse in soil and groundwater. For example, when assessing the impact of landfills or industrial sites, scientists must evaluate the gas permeability (气体渗透性) of surrounding soils to predict how gases like methane or volatile organic compounds might migrate. This knowledge is essential for developing remediation strategies and ensuring compliance with environmental regulations. Materials science also heavily relies on the concept of gas permeability (气体渗透性). Researchers are constantly exploring new materials with tailored gas permeability (气体渗透性) properties for applications such as packaging, membranes, and filters. For instance, in the food industry, packaging materials with low gas permeability (气体渗透性) can extend the shelf life of products by preventing oxygen from entering and causing spoilage. In contrast, membranes with high gas permeability (气体渗透性) are used in gas separation processes, allowing for the efficient extraction of specific gases from mixtures. The measurement of gas permeability (气体渗透性) can be performed using various methods, including laboratory tests and field studies. Common techniques involve placing a sample material in a controlled environment and measuring the rate at which a gas passes through it. These measurements are often expressed in units such as Darcy or Barrer, which quantify the ease of gas flow through the material. Understanding these values helps engineers and scientists select the right materials for their specific needs. In conclusion, gas permeability (气体渗透性) is a fundamental property that influences many aspects of our daily lives, from the buildings we inhabit to the products we consume. By comprehensively understanding gas permeability (气体渗透性), professionals across various fields can make informed decisions that enhance performance, safety, and sustainability. As technology advances and new materials are developed, the study of gas permeability (气体渗透性) will continue to be a vital area of research, driving innovation and improving our quality of life.

气体渗透性是一个关键属性，定义了气体通过材料的容易程度。它在工程、环境科学和材料科学等多个领域中发挥着重要作用。理解气体渗透性(gas permeability)对设计有效的屏障、选择特定应用的合适材料以及分析气体在不同环境中的行为至关重要。在工程中，气体渗透性(gas permeability)在建筑材料的背景下尤为重要。例如，在设计建筑时，建筑师必须考虑空气和湿气如何穿透墙壁和屋顶。具有高气体渗透性(gas permeability)的材料可能会允许不必要的气流和湿气渗入，导致霉菌生长和能效低下等问题。相反，具有低气体渗透性(gas permeability)的材料可以帮助维持室内空气质量和热舒适性，使其成为绝缘的理想选择。在环境科学中，气体渗透性(gas permeability)对于理解污染物在土壤和地下水中的扩散至关重要。例如，在评估垃圾填埋场或工业场所的影响时，科学家必须评估周围土壤的气体渗透性(gas permeability)，以预测甲烷或挥发性有机化合物等气体的迁移。这些知识对于制定修复策略和确保遵守环境法规至关重要。材料科学也严重依赖于气体渗透性(gas permeability)的概念。研究人员不断探索具有特定气体渗透性(gas permeability)特性的材料，以用于包装、膜和过滤器等应用。例如，在食品工业中，具有低气体渗透性(gas permeability)的包装材料可以通过防止氧气进入并导致变质来延长产品的保质期。相反，具有高气体渗透性(gas permeability)的膜用于气体分离过程，允许从混合物中高效提取特定气体。气体渗透性(gas permeability)的测量可以通过各种方法进行，包括实验室测试和现场研究。常用技术包括将样品材料放置在受控环境中，并测量气体通过它的速率。这些测量通常以达西或巴雷尔等单位表示，量化气体在材料中流动的容易程度。理解这些值有助于工程师和科学家为特定需求选择合适的材料。总之，气体渗透性(gas permeability)是影响我们日常生活许多方面的基本属性，从我们居住的建筑到我们消费的产品。通过全面理解气体渗透性(gas permeability)，各个领域的专业人士可以做出明智的决策，从而提高性能、安全性和可持续性。随着技术的进步和新材料的发展，气体渗透性(gas permeability)的研究将继续成为一个重要的研究领域，推动创新，改善我们的生活质量。