gas permeability

简明释义

透气性

英英释义

例句

1.In the study, we measured the gas permeability (气体渗透性) of different membranes.

在研究中，我们测量了不同膜的气体渗透性。

2.The new material has improved gas permeability (气体渗透性), allowing for better ventilation.

这种新材料具有更好的气体渗透性，允许更好的通风。

3.High gas permeability (气体渗透性) is crucial for applications in fuel cells.

高气体渗透性对于燃料电池的应用至关重要。

4.Researchers are exploring ways to enhance the gas permeability (气体渗透性) of packaging materials.

研究人员正在探索提高包装材料气体渗透性的方法。

5.The gas permeability (气体渗透性) of the soil affects how plants absorb nutrients.

土壤的气体渗透性影响植物如何吸收养分。

作文

Gas permeability is a crucial property in various fields, including material science, environmental engineering, and even food packaging. It refers to the ability of a material to allow gases to pass through it. Understanding gas permeability (气体渗透性) is essential for designing materials that can effectively control gas flow, which has significant implications in many applications.In the realm of material science, researchers often focus on polymers and membranes that exhibit specific gas permeability (气体渗透性) characteristics. For instance, in the development of membranes for gas separation processes, it is vital to select materials with high gas permeability (气体渗透性) for the desired gases while maintaining low permeability for others. This selective permeability allows for efficient separation of gases, which is critical in industries such as natural gas processing and air purification.Moreover, gas permeability (气体渗透性) also plays a significant role in environmental engineering. Soil and rock formations possess varying degrees of gas permeability (气体渗透性), which affects the movement of gases like methane or carbon dioxide within the subsurface. Understanding these properties is essential for assessing the feasibility of geological storage of carbon dioxide, a method being explored to mitigate climate change. By analyzing the gas permeability (气体渗透性) of different geological formations, scientists can determine the best locations for storing carbon dioxide safely and effectively.In the food industry, gas permeability (气体渗透性) is a key factor in packaging materials. The shelf life of perishable products is heavily influenced by the exchange of gases between the product and its environment. For instance, fruits and vegetables produce ethylene gas, which can accelerate ripening and spoilage. Therefore, packaging materials with appropriate gas permeability (气体渗透性) are designed to either allow or restrict the flow of gases to prolong freshness. This is particularly important in the context of global trade, where products may need to be transported over long distances.The measurement of gas permeability (气体渗透性) is typically conducted using various laboratory techniques. One common method involves using a permeation cell, where a gas is introduced on one side of a membrane, and the rate at which it passes through to the other side is measured. This data helps scientists and engineers determine the gas permeability (气体渗透性) coefficient of the material, which quantifies its ability to transmit gases.In conclusion, gas permeability (气体渗透性) is an important concept that intersects multiple disciplines. Its understanding is vital for the advancement of technologies in gas separation, environmental protection, and food preservation. As research continues to evolve, the ability to manipulate and optimize gas permeability (气体渗透性) will undoubtedly lead to innovative solutions that address some of the pressing challenges we face today.