donnan's equilibrium

简明释义

道南平衡

英英释义

例句

1.When studying cell osmosis, understanding donnan's equilibrium (德农平衡) is crucial for predicting how cells will swell or shrink.

在研究细胞渗透时，理解 donnan's equilibrium (德农平衡) 对于预测细胞如何膨胀或收缩至关重要。

2.In pharmaceutical formulations, donnan's equilibrium (德农平衡) can affect drug solubility and distribution in the body.

在药物制剂中，donnan's equilibrium (德农平衡) 可以影响药物在体内的溶解度和分布。

3.The application of donnan's equilibrium (德农平衡) in kidney function shows how ions are reabsorbed into the bloodstream.

在肾脏功能中的 donnan's equilibrium (德农平衡) 应用展示了离子如何被重新吸收到血液中。

4.Researchers often use donnan's equilibrium (德农平衡) to model the behavior of charged particles in colloidal systems.

研究人员经常使用 donnan's equilibrium (德农平衡) 来模拟胶体系统中带电粒子的行为。

5.In biological membranes, the concept of donnan's equilibrium (德农平衡) helps explain how ions distribute across the membrane.

在生物膜中，donnan's equilibrium (德农平衡) 的概念有助于解释离子是如何在膜两侧分布的。

作文

The concept of donnan's equilibrium is fundamental in the field of physical chemistry and biochemistry. It describes the distribution of ions between two solutions that are separated by a semipermeable membrane, which allows certain ions to pass while blocking others. This phenomenon occurs when an impermeable charged species, such as a protein or a colloid, is present in one of the solutions. The presence of this charged species creates an imbalance of ion concentrations on either side of the membrane, leading to a state of equilibrium known as donnan's equilibrium. Understanding donnan's equilibrium is crucial for various biological processes. For instance, it plays a significant role in maintaining the osmotic balance within cells. Cells have membranes that selectively allow ions and molecules to enter and exit, and the establishment of donnan's equilibrium helps regulate the concentrations of essential ions like sodium, potassium, and chloride. This regulation is vital for numerous cellular functions, including nerve impulse transmission and muscle contraction.In practical applications, donnan's equilibrium can be observed in dialysis processes. Dialysis is a medical treatment used to remove waste products from the blood when the kidneys are unable to perform this function. During dialysis, blood is passed through a semipermeable membrane, separating it from a dialysis solution. The principles of donnan's equilibrium dictate how ions and small molecules move across the membrane, ensuring that harmful substances are effectively removed while retaining necessary compounds.Moreover, donnan's equilibrium has implications in the field of pharmaceuticals. Drug delivery systems often rely on the manipulation of ionic concentrations to control the release of medications. By understanding how donnan's equilibrium operates, scientists can design better drug formulations that enhance absorption and efficacy.In summary, donnan's equilibrium is not merely a theoretical construct; it has real-world significance in biological systems, medical treatments, and pharmaceutical applications. Its study provides insight into the behavior of ions in different environments and is essential for the advancement of various scientific fields. As we continue to explore the intricacies of biological systems and develop new technologies, the principles underlying donnan's equilibrium will undoubtedly remain a critical area of focus for researchers and practitioners alike.

“donnan's equilibrium”（多南平衡）的概念在物理化学和生物化学领域中是基础性的。它描述了两种溶液之间的离子分布，这两种溶液被一个半透膜分隔开，该膜允许某些离子通过，同时阻止其他离子。当一种不可渗透的带电物质（如蛋白质或胶体）存在于其中一种溶液中时，就会发生这种现象。这种带电物质的存在在膜的两侧造成了离子浓度的不平衡，导致形成一种称为“donnan's equilibrium”（多南平衡）的平衡状态。理解“donnan's equilibrium”（多南平衡）对于各种生物过程至关重要。例如，它在维持细胞内的渗透平衡方面发挥着重要作用。细胞具有选择性地允许离子和分子进出膜，而“donnan's equilibrium”（多南平衡）的建立有助于调节钠、钾和氯等必需离子的浓度。这种调节对许多细胞功能至关重要，包括神经冲动传导和肌肉收缩。在实际应用中，“donnan's equilibrium”（多南平衡）可以在透析过程中观察到。透析是一种医疗治疗，当肾脏无法执行这一功能时，用于从血液中去除废物。在透析过程中，血液通过一个半透膜，与透析溶液分开。donnan's equilibrium 的原理决定了离子和小分子如何穿过膜，从而确保有害物质有效去除，同时保留必要的化合物。此外，“donnan's equilibrium”（多南平衡）在制药领域也有重要影响。药物输送系统通常依赖于离子浓度的操控来控制药物的释放。通过理解“donnan's equilibrium”（多南平衡）的运作方式，科学家可以设计出更好的药物配方，从而增强吸收和疗效。总之，“donnan's equilibrium”（多南平衡）不仅仅是一个理论构建；它在生物系统、医疗治疗和制药应用中具有现实意义。对其研究提供了对不同环境中离子行为的洞察，并且对于各个科学领域的进步至关重要。随着我们继续探索生物系统的复杂性并开发新技术，“donnan's equilibrium”（多南平衡）背后的原理无疑将继续成为研究人员和从业者关注的关键领域。