barrier permeability

简明释义

势垒穿透率

英英释义

例句

1.The barrier permeability of a material is crucial when designing protective clothing for hazardous environments.

材料的屏障通透性在设计危险环境保护服装时至关重要。

2.Researchers are investigating the barrier permeability of membranes for water filtration applications.

研究人员正在调查膜的屏障通透性以用于水过滤应用。

3.The study focused on the barrier permeability of the skin to understand how different substances can penetrate it.

这项研究关注于皮肤的屏障通透性，以理解不同物质如何渗透皮肤。

4.In environmental science, measuring the barrier permeability of soil helps assess contamination risks.

在环境科学中，测量土壤的屏障通透性有助于评估污染风险。

5.Pharmaceutical companies often test the barrier permeability of drug formulations to ensure effective delivery.

制药公司通常测试药物配方的屏障通透性以确保有效传递。

作文

In the realm of materials science and engineering, understanding the concept of barrier permeability is crucial for various applications. Barrier permeability refers to the ability of a material to allow substances such as gases or liquids to pass through it. This property is particularly significant in industries like packaging, pharmaceuticals, and construction, where controlling the movement of substances is essential for product integrity and safety.For instance, in food packaging, materials with low barrier permeability are preferred because they prevent oxygen and moisture from entering the package, thereby extending the shelf life of the food products. Similarly, in the pharmaceutical industry, barrier permeability plays a vital role in ensuring that medications remain effective and do not degrade when exposed to environmental factors.The measurement of barrier permeability typically involves testing how much of a specific substance can pass through a material over a set period. This is often done using standardized methods, which provide reliable data for manufacturers to select appropriate materials for their specific needs. For example, a material with high barrier permeability might be unsuitable for applications requiring long-term protection against moisture, while a material with low permeability would be ideal.Furthermore, advances in technology have led to the development of new materials with enhanced barrier permeability properties. These innovations include multilayer films that combine different materials to achieve optimal performance. By layering materials with varying permeability rates, manufacturers can create packaging solutions that are both lightweight and highly effective at protecting contents from external elements.In construction, barrier permeability is equally important. Building materials must control moisture movement to prevent structural damage and maintain indoor air quality. For example, vapor barriers are used in walls and roofs to limit the passage of moisture, which can lead to mold growth and deterioration of building components. Understanding the barrier permeability of these materials helps architects and builders design structures that are durable and energy-efficient.Moreover, the concept of barrier permeability extends beyond just physical materials. In environmental science, it is also applied to understand how pollutants move through soil and groundwater. The barrier permeability of soil layers can determine how quickly contaminants spread, impacting remediation efforts and public health.In conclusion, barrier permeability is a multifaceted concept that has significant implications across various fields. From food safety to construction integrity and environmental protection, the ability of materials to resist the passage of unwanted substances is critical. As research continues to advance our understanding of this property, we can expect to see even more innovative solutions that leverage barrier permeability to meet the challenges of modern society. Therefore, mastering the principles of barrier permeability is essential for professionals in these industries, ensuring they can make informed decisions that enhance product performance and safety.

在材料科学和工程领域，理解屏障渗透性的概念对各种应用至关重要。屏障渗透性是指材料允许气体或液体等物质通过的能力。这一特性在包装、制药和建筑等行业尤其重要，因为控制物质的移动对产品的完整性和安全性至关重要。例如，在食品包装中，低屏障渗透性的材料更受欢迎，因为它们可以防止氧气和水分进入包装，从而延长食品的保质期。同样，在制药行业，屏障渗透性在确保药物有效性和防止药物在环境因素影响下降解方面发挥着重要作用。屏障渗透性的测量通常涉及测试特定物质在设定时间内能通过多少材料。这通常通过标准化的方法进行测试，这为制造商提供可靠的数据，以便他们选择适合特定需求的材料。例如，具有高屏障渗透性的材料可能不适合需要长期防护湿气的应用，而低渗透性的材料则更为理想。此外，技术的进步导致新材料的开发，这些材料具有增强的屏障渗透性特性。这些创新包括多层膜，将不同的材料结合在一起，以实现最佳性能。通过将具有不同渗透率的材料分层，制造商可以创造出既轻便又能有效保护内容物免受外部元素影响的包装解决方案。在建筑中，屏障渗透性同样重要。建筑材料必须控制湿气的运动，以防止结构损坏并保持室内空气质量。例如，蒸汽屏障用于墙壁和屋顶，以限制湿气的通过，这可能导致霉菌生长和建筑构件的退化。了解这些材料的屏障渗透性帮助建筑师和施工人员设计出耐用且节能的结构。此外，屏障渗透性的概念不仅限于物理材料。在环境科学中，它也被应用于理解污染物如何在土壤和地下水中移动。土壤层的屏障渗透性可以决定污染物扩散的速度，从而影响修复工作和公众健康。总之，屏障渗透性是一个多方面的概念，对各个领域都有重要影响。从食品安全到建筑完整性，再到环境保护，材料抵抗不必要物质通过的能力至关重要。随着研究不断推进我们对这一属性的理解，我们可以期待看到更多利用屏障渗透性来应对现代社会挑战的创新解决方案。因此，掌握屏障渗透性的原理对于这些行业的专业人士来说至关重要，确保他们能够做出明智的决策，从而提高产品性能和安全性。