osmotic memberane

简明释义

渗透隔膜

英英释义

An osmotic membrane is a semi-permeable barrier that allows the passage of solvent molecules while restricting the movement of solute particles, facilitating the process of osmosis.

渗透膜是一种半透膜,允许溶剂分子通过,同时限制溶质颗粒的移动,从而促进渗透过程。

例句

1.In reverse osmosis, water passes through an osmotic membrane 渗透膜 to remove impurities.

在反渗透中,水通过osmotic membrane 渗透膜 去除杂质。

2.The osmotic membrane 渗透膜 in our laboratory experiment helped to separate the solute from the solvent.

我们实验室实验中的osmotic membrane 渗透膜 帮助分离了溶质和溶剂。

3.The efficiency of the osmotic membrane 渗透膜 is crucial for the desalination process.

对于海水淡化过程来说,osmotic membrane 渗透膜 的效率至关重要。

4.The osmotic membrane 渗透膜 allows only certain molecules to pass through while blocking others.

osmotic membrane 渗透膜 仅允许某些分子通过,同时阻挡其他分子。

5.In medical applications, an osmotic membrane 渗透膜 can be used for drug delivery systems.

在医学应用中,可以使用osmotic membrane 渗透膜 进行药物输送系统。

作文

The concept of an osmotic membrane is fundamental in understanding various biological and chemical processes. An osmotic membrane refers to a semipermeable barrier that allows certain molecules or ions to pass through while blocking others. This selective permeability is crucial for maintaining homeostasis in living organisms, as it regulates the movement of water and solutes in and out of cells. In essence, an osmotic membrane functions based on the principles of osmosis, which is the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration. This process is vital for cellular functions, as it helps cells maintain their shape and internal environment. For example, when a cell is placed in a hypotonic solution, water enters the cell through the osmotic membrane, causing it to swell. Conversely, in a hypertonic solution, water exits the cell, leading to shrinkage. Osmosis and the role of the osmotic membrane are not only important in biology but also have practical applications in various fields. In medicine, understanding how osmotic membranes work can aid in the development of drug delivery systems. For instance, certain medications are designed to be released gradually through osmotic membranes, ensuring a steady dose over time. This technique improves patient compliance and enhances the effectiveness of the treatment. Moreover, osmotic membranes play a significant role in water purification processes, such as reverse osmosis. This technology utilizes osmotic membranes to remove impurities from water by applying pressure to overcome osmotic pressure, allowing only pure water to pass through. This method is widely used in desalination plants, providing clean drinking water to areas facing water scarcity. In conclusion, the osmotic membrane is a critical component in both biological systems and technological applications. Its ability to control the flow of substances makes it indispensable in maintaining life and advancing scientific innovations. By understanding the mechanisms behind osmotic membranes, we can better appreciate their significance in our daily lives and the natural world around us.

“渗透膜”的概念在理解各种生物和化学过程时是基础的。“渗透膜”指的是一种半透膜,它允许某些分子或离子通过,同时阻止其他物质的通过。这种选择性渗透性对维持生物体的稳态至关重要,因为它调节水和溶质在细胞内外的运动。从本质上讲,“渗透膜”基于渗透的原理,渗透是指溶剂分子通过半透膜从低溶质浓度区域向高溶质浓度区域移动的过程。这个过程对细胞功能至关重要,因为它有助于细胞维持其形状和内部环境。例如,当细胞被放置在低渗溶液中时,水通过“渗透膜”进入细胞,导致细胞膨胀。相反,在高渗溶液中,水会流出细胞,导致细胞收缩。渗透和“渗透膜”的作用不仅在生物学中重要,而且在各个领域也有实际应用。在医学中,了解“渗透膜”的工作原理可以帮助开发药物递送系统。例如,某些药物被设计为通过“渗透膜”逐渐释放,从而确保在一段时间内提供稳定剂量。这种技术提高了患者的依从性,并增强了治疗的有效性。此外,“渗透膜”在水净化过程中也发挥着重要作用,例如反渗透。这项技术利用“渗透膜”通过施加压力克服渗透压,从而去除水中的杂质,仅允许纯水通过。这种方法广泛应用于海水淡化厂,为面临水资源短缺的地区提供清洁饮用水。总之,“渗透膜”是生物系统和技术应用中的关键组成部分。它控制物质流动的能力使其在维持生命和推动科学创新方面不可或缺。通过理解“渗透膜”背后的机制,我们可以更好地欣赏它们在我们日常生活和周围自然世界中的重要性。