barrier diffusion

简明释义

障碍扩散;

英英释义

例句

1.The study focused on the effects of barrier diffusion 屏障扩散 in drug delivery systems.

这项研究关注药物传递系统中屏障扩散的影响。

2.In the context of food preservation, barrier diffusion 屏障扩散 plays a significant role in maintaining freshness.

在食品保存的背景下，屏障扩散在保持新鲜度方面发挥着重要作用。

3.The effectiveness of coatings often depends on the rate of barrier diffusion 屏障扩散 through the material.

涂层的有效性通常取决于材料中屏障扩散的速率。

4.Understanding barrier diffusion 屏障扩散 is crucial for improving the efficiency of packaging materials.

理解屏障扩散对于提高包装材料的效率至关重要。

5.Researchers are investigating how barrier diffusion 屏障扩散 affects the shelf life of perishable goods.

研究人员正在调查屏障扩散如何影响易腐商品的保质期。

作文

In the study of materials science and engineering, understanding the concept of barrier diffusion is crucial for various applications. Barrier diffusion refers to the process through which particles, such as atoms or molecules, move through a barrier or interface that restricts their passage. This phenomenon is particularly significant in fields like semiconductor manufacturing, drug delivery systems, and membrane technology.To illustrate the importance of barrier diffusion, let’s consider its role in drug delivery. In pharmaceutical applications, drugs often need to pass through biological membranes to reach their target sites in the body. The rate at which a drug can diffuse through these membranes is influenced by the properties of the barrier itself. For instance, lipid bilayers, which make up cell membranes, present a significant challenge for drug molecules. Understanding the mechanics of barrier diffusion allows scientists to design better drug formulations that can effectively penetrate these barriers and deliver therapeutic agents where they are needed most.Moreover, in semiconductor manufacturing, barrier diffusion plays a vital role in the fabrication of electronic devices. During the production of integrated circuits, impurities must be introduced into silicon wafers with precision. The diffusion of these impurities is controlled by creating barriers that regulate their movement. By mastering the principles of barrier diffusion, engineers can optimize the doping process, leading to improved electrical properties and performance of the final products.Another area where barrier diffusion is essential is in membrane technology, particularly in water purification and gas separation processes. Membranes are designed to allow certain particles to pass while blocking others, making them effective for filtering contaminants from water or separating gases in industrial settings. The efficiency of these membranes depends on the barrier diffusion characteristics, which determine how quickly and selectively different substances can permeate the membrane. Understanding these characteristics enables researchers to develop advanced materials that enhance the performance of filtration systems.In conclusion, barrier diffusion is a fundamental concept that impacts various scientific and engineering disciplines. Its implications are vast, ranging from improving drug delivery methods to advancing semiconductor technology and enhancing membrane applications. As research continues to evolve, a deeper understanding of barrier diffusion will undoubtedly lead to innovations that can address some of the most pressing challenges in technology and healthcare today.

在材料科学和工程的研究中，理解“barrier diffusion”这一概念对于各种应用至关重要。“barrier diffusion”指的是粒子（如原子或分子）通过一个限制其通行的障碍或界面的过程。这种现象在半导体制造、药物输送系统和膜技术等领域尤为重要。为了说明“barrier diffusion”的重要性，让我们考虑它在药物输送中的作用。在制药应用中，药物通常需要穿过生物膜，以到达身体内的目标部位。药物穿透这些膜的速率受到障碍物本身特性的影响。例如，构成细胞膜的脂质双层对药物分子构成了重大挑战。理解“barrier diffusion”的机制使科学家能够设计出更好的药物配方，从而有效穿透这些障碍，将治疗剂送到最需要的地方。此外，在半导体制造中，“barrier diffusion”在集成电路的生产中发挥着重要作用。在硅晶圆的生产过程中，杂质必须以精确的方式引入。通过创建调节杂质运动的障碍，可以控制这些杂质的扩散。通过掌握“barrier diffusion”的原理，工程师可以优化掺杂过程，从而提高最终产品的电气性能和表现。“barrier diffusion”在膜技术中也是至关重要的，尤其是在水净化和气体分离过程中。膜被设计成允许某些颗粒通过，同时阻挡其他颗粒，使其在过滤水中的污染物或在工业环境中分离气体方面非常有效。这些膜的效率依赖于“barrier diffusion”特性，这决定了不同物质穿透膜的速度和选择性。理解这些特性使研究人员能够开发出先进材料，从而提高过滤系统的性能。总之，“barrier diffusion”是一个基本概念，影响着多个科学和工程学科。它的影响范围广泛，从改善药物输送方法到推动半导体技术的发展，再到增强膜应用。随着研究的不断发展，对“barrier diffusion”的深入理解无疑将导致创新，帮助解决当今技术和医疗领域的一些最紧迫的挑战。