osmotic pressure

简明释义

渗透压力

英英释义

例句

1.Dialysis uses the principle of osmotic pressure 渗透压 to separate waste products from blood.

透析利用osmotic pressure 渗透压 的原理将废物从血液中分离。

2.When you add salt to water, the osmotic pressure 渗透压 of the solution increases.

当你向水中加入盐时，溶液的osmotic pressure 渗透压 会增加。

3.The process of water moving through a semi-permeable membrane is driven by osmotic pressure 渗透压.

水通过半透膜的过程是由osmotic pressure 渗透压驱动的。

4.In medical treatments, understanding osmotic pressure 渗透压 is crucial for fluid balance.

在医疗治疗中，理解osmotic pressure 渗透压 对于液体平衡至关重要。

5.In plants, osmotic pressure 渗透压 helps maintain turgor pressure, which keeps cells rigid.

在植物中，osmotic pressure 渗透压 有助于维持膨压，使细胞保持刚性。

作文

Osmotic pressure is a fundamental concept in chemistry and biology, playing a crucial role in various physiological processes. It refers to the pressure required to prevent the flow of solvent molecules through a semipermeable membrane, which allows only certain molecules to pass while blocking others. This phenomenon is vital for maintaining the balance of fluids in living organisms. For instance, in human cells, the osmotic pressure (渗透压) helps regulate the movement of water in and out of the cells, ensuring that they remain hydrated and function properly. To understand osmotic pressure (渗透压), it is essential to grasp the concept of osmosis. Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. This process occurs until equilibrium is reached, meaning that the concentrations of solute on both sides of the membrane become equal. The pressure that builds up due to this movement of water is what we refer to as osmotic pressure (渗透压). In biological systems, osmotic pressure (渗透压) plays a significant role in various functions. For example, in plant cells, the osmotic pressure (渗透压) helps maintain turgor pressure, which keeps the plant upright and firm. When a plant cell is placed in a hypotonic solution, water enters the cell, increasing the osmotic pressure (渗透压) inside the cell. This influx of water causes the cell to swell and maintain its shape. Conversely, if a plant cell is placed in a hypertonic solution, water will leave the cell, leading to a decrease in osmotic pressure (渗透压) and causing the cell to become flaccid. In medical applications, understanding osmotic pressure (渗透压) is crucial for intravenous therapies and dialysis. When administering fluids intravenously, healthcare professionals must consider the osmotic pressure (渗透压) of the solutions being used to avoid complications such as hemolysis, where red blood cells burst due to excessive water intake. Similarly, in dialysis, the osmotic pressure (渗透压) is manipulated to remove waste products from the blood effectively. The dialysate solution is designed with a specific osmotic pressure (渗透压) to ensure that toxins move out of the blood while retaining essential electrolytes. In summary, osmotic pressure (渗透压) is a critical concept that underpins many biological and chemical processes. Its importance stretches from cellular functions in plants and animals to practical applications in medicine. A thorough understanding of osmotic pressure (渗透压) not only enhances our knowledge of biological systems but also aids in the development of effective medical treatments and interventions. As we continue to explore the intricacies of life at the molecular level, the significance of osmotic pressure (渗透压) will undoubtedly remain a key focus in both research and practical applications.

渗透压是化学和生物学中的一个基本概念，在各种生理过程中发挥着至关重要的作用。它指的是为了防止溶剂分子通过半透膜流动所需的压力，该膜只允许某些分子通过，而阻止其他分子。这一现象对维持生物体内液体的平衡至关重要。例如，在人类细胞中，osmotic pressure（渗透压）帮助调节水分在细胞内外的移动，确保细胞保持水分并正常运作。要理解osmotic pressure（渗透压），首先必须掌握渗透的概念。渗透是水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。该过程会持续进行，直到达到平衡，即膜两侧的溶质浓度相等。由于水的这种移动而产生的压力就是我们所称的osmotic pressure（渗透压）。在生物系统中，osmotic pressure（渗透压）在多种功能中发挥着重要作用。例如，在植物细胞中，osmotic pressure（渗透压）有助于维持膨压，使植物保持直立和坚挺。当植物细胞置于低渗溶液中时，水进入细胞，增加了细胞内的osmotic pressure（渗透压）。水的这种流入使细胞膨胀并保持其形状。相反，如果植物细胞置于高渗溶液中，水将离开细胞，导致osmotic pressure（渗透压）下降，从而使细胞变得软弱。在医学应用中，理解osmotic pressure（渗透压）对静脉治疗和透析至关重要。在静脉注射液体时，医疗专业人员必须考虑所用溶液的osmotic pressure（渗透压），以避免如红细胞破裂等并发症，这种情况是由于过量的水分摄入引起的。同样，在透析中，osmotic pressure（渗透压）被操控以有效去除血液中的废物。透析液的设计具有特定的osmotic pressure（渗透压），以确保毒素从血液中移动出去，同时保留必要的电解质。总之，osmotic pressure（渗透压）是支撑许多生物和化学过程的关键概念。它的重要性从植物和动物的细胞功能延伸到医学中的实际应用。深入理解osmotic pressure（渗透压）不仅增强了我们对生物系统的知识，还有助于开发有效的医疗治疗和干预措施。随着我们继续探索生命在分子层面的复杂性，osmotic pressure（渗透压）的重要性无疑将始终是研究和实际应用的关键焦点。