permeable membrane

简明释义

可透膜

英英释义

例句

1.The filtration process relies on the use of a permeable membrane to separate particles from liquids.

过滤过程依赖于使用可渗透膜将颗粒与液体分离。

2.The cell's ability to regulate its internal environment is largely due to the properties of its permeable membrane.

细胞调节其内部环境的能力在很大程度上依赖于其可渗透膜的特性。

3.The laboratory experiment demonstrated how substances pass through a permeable membrane under different conditions.

实验室实验展示了物质如何在不同条件下通过可渗透膜。

4.In osmosis, water moves through a permeable membrane until equilibrium is reached.

在渗透作用中，水通过可渗透膜移动，直到达到平衡。

5.Aquaporins are proteins that facilitate the transport of water across a permeable membrane.

水通道蛋白是促进水通过可渗透膜运输的蛋白质。

作文

The concept of a permeable membrane is crucial in various scientific fields, including biology, chemistry, and environmental science. A permeable membrane refers to a barrier that allows certain substances to pass through while blocking others. This selective permeability plays a vital role in many biological processes, particularly in the functioning of cells. For instance, cell membranes are composed of lipid bilayers that act as permeable membranes, regulating the entry and exit of ions, nutrients, and waste products. In plant cells, the permeable membrane facilitates the movement of water and nutrients from the soil into the roots. The process of osmosis, which involves the diffusion of water through a permeable membrane, is essential for maintaining turgor pressure, which keeps plants upright and healthy. Without this mechanism, plants would struggle to survive, highlighting the importance of permeable membranes in sustaining life.Moreover, in the field of environmental science, permeable membranes are utilized in water filtration systems. These membranes can effectively remove contaminants from water while allowing clean water to flow through. This technology is increasingly important as the world faces challenges related to water scarcity and pollution. By understanding how permeable membranes function, scientists can develop better filtration systems that provide safe drinking water to communities in need.In the realm of medicine, permeable membranes also play a significant role. Drug delivery systems often use permeable membranes to control the release of medication into the body. For example, transdermal patches utilize permeable membranes to allow drugs to be absorbed through the skin, providing a non-invasive method of treatment. This innovation has transformed how patients receive medications, making it easier and more effective.Furthermore, the study of permeable membranes extends to the development of artificial organs and tissue engineering. Researchers aim to create synthetic permeable membranes that mimic natural ones, enabling the growth of cells and tissues in controlled environments. This advancement could lead to breakthroughs in organ transplantation and regenerative medicine, offering hope to those with chronic illnesses or injuries.In conclusion, the significance of permeable membranes cannot be overstated. They are integral to various biological processes, environmental technologies, medical advancements, and scientific research. Understanding the properties and functions of permeable membranes opens up new possibilities for innovation and improvement in multiple fields. As we continue to explore the intricacies of these membranes, we will undoubtedly uncover more applications that benefit society and enhance our understanding of life itself.

“可渗透膜”的概念在生物学、化学和环境科学等多个科学领域至关重要。“可渗透膜”指的是一种允许某些物质通过而阻挡其他物质的屏障。这种选择性渗透性在许多生物过程中发挥着重要作用，尤其是在细胞的功能方面。例如，细胞膜由脂质双层组成，充当“可渗透膜”，调节离子、营养物质和废物的出入。在植物细胞中，“可渗透膜”促进水分和营养物质从土壤进入根部的运动。渗透作用是指水通过“可渗透膜”的扩散过程，对于维持膨压至关重要，而膨压使植物保持挺拔和健康。没有这种机制，植物将难以生存，这突显了“可渗透膜”在维持生命中的重要性。此外，在环境科学领域，“可渗透膜”被用于水过滤系统。这些膜能够有效去除水中的污染物，同时允许清洁水流过。随着世界面临水资源短缺和污染等挑战，这项技术变得愈加重要。通过理解“可渗透膜”的功能，科学家们可以开发出更好的过滤系统，为需要的社区提供安全的饮用水。在医学领域，“可渗透膜”同样发挥着重要作用。药物输送系统通常利用“可渗透膜”来控制药物在体内的释放。例如，透皮贴片利用“可渗透膜”使药物通过皮肤吸收，提供一种非侵入性的治疗方法。这一创新改变了患者接受药物的方式，使其更加便捷和有效。此外，对“可渗透膜”的研究还扩展到人工器官和组织工程的发展。研究人员旨在创造合成的“可渗透膜”，模拟自然膜的特性，使细胞和组织在受控环境中生长。这一进展可能导致器官移植和再生医学的突破，为那些患有慢性疾病或受伤的人带来希望。总之，“可渗透膜”的重要性不容小觑。它们是各种生物过程、环境技术、医学进步和科学研究的核心。理解“可渗透膜”的特性和功能为多个领域的创新和改进开辟了新可能。随着我们继续探索这些膜的复杂性，我们无疑会发现更多有利于社会并增强我们对生命本身理解的应用。