osmossis pressure

简明释义

渗透压力

英英释义

例句

1.Medical treatments often rely on osmotic pressure 渗透压 to deliver drugs effectively into the bloodstream.

医疗治疗通常依赖于osmotic pressure 渗透压有效地将药物输送到血液中。

2.Reverse osmosis systems utilize osmotic pressure 渗透压 to purify water by removing contaminants.

反渗透系统利用osmotic pressure 渗透压通过去除污染物来净化水。

3.In plants, osmotic pressure 渗透压 helps maintain turgor pressure, keeping them upright.

在植物中，osmotic pressure 渗透压有助于维持膨压，使它们保持直立。

4.The process of water moving through a semipermeable 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。

5.When the concentration of solutes increases, osmotic pressure 渗透压 also increases, affecting cell function.

当溶质浓度增加时，osmotic pressure 渗透压也会增加，从而影响细胞功能。

作文

Osmotic pressure is a fundamental concept in the field of chemistry and biology, playing a crucial role in various processes that occur within living organisms. To understand osmotic pressure (渗透压), we must first explore the principles of osmosis itself. Osmosis is the movement of solvent molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration. This process continues until there is an equilibrium between the two sides of the membrane.In biological systems, osmotic pressure (渗透压) is vital for maintaining cell integrity and function. For instance, plant cells rely on osmotic pressure to remain turgid, which is essential for their structural stability. When a plant absorbs water from the soil, the water enters the cells through osmosis, increasing the internal pressure against the cell wall. This pressure keeps the plant upright and allows it to grow effectively. Without sufficient osmotic pressure (渗透压), plants would wilt and eventually die due to lack of structural support.In animal cells, osmotic pressure (渗透压) also plays a critical role. The balance of solute concentrations inside and outside the cell is necessary to prevent excessive swelling or shrinking of the cells. If an animal cell is placed in a hypotonic solution, where the external solute concentration is lower than that inside the cell, water will flow into the cell, causing it to swell and potentially burst. Conversely, if the cell is placed in a hypertonic solution, where the external solute concentration is higher, water will flow out of the cell, leading to dehydration and shrinkage.Understanding osmotic pressure (渗透压) is not limited to biological contexts; it also has significant applications in various industries. For example, in food preservation, osmotic pressure is utilized to inhibit microbial growth. By creating a hypertonic environment using sugar or salt, the water is drawn out of microbial cells, effectively preserving the food. Similarly, in medical treatments, osmotic pressure (渗透压) is employed in processes such as dialysis, where it helps to remove waste products from the blood by exploiting differences in solute concentrations across a membrane.Moreover, advancements in technology have allowed scientists to manipulate osmotic pressure (渗透压) for various applications, including drug delivery systems. By controlling the osmotic environment, researchers can enhance the efficacy of medications and ensure that they are released at the right time and place within the body.In conclusion, osmotic pressure (渗透压) is a key concept that underpins many biological and industrial processes. Its importance cannot be overstated, as it affects everything from the health of our cells to the preservation of food and the effectiveness of medical treatments. A deeper understanding of osmotic pressure (渗透压) not only enriches our knowledge of life sciences but also opens doors to innovative solutions in various fields. As we continue to explore the intricacies of this phenomenon, we are reminded of the delicate balance that sustains life and the potential for scientific advancements that can arise from such fundamental principles.

渗透压是化学和生物学领域的一个基本概念，在生物体内发生的各种过程中起着至关重要的作用。要理解渗透压，我们首先必须探讨渗透的原理。渗透是溶剂分子通过选择性渗透膜从低溶质浓度区域向高溶质浓度区域移动的过程。这一过程持续进行，直到膜两侧达到平衡。在生物系统中，渗透压对维持细胞完整性和功能至关重要。例如，植物细胞依赖于渗透压保持膨胀，这对于它们的结构稳定性至关重要。当植物从土壤中吸收水分时，水通过渗透进入细胞，增加了细胞内部对细胞壁的压力。这种压力使植物保持直立，并有效生长。如果没有足够的渗透压，植物将会枯萎，最终因缺乏结构支持而死亡。在动物细胞中，渗透压同样发挥着关键作用。细胞内外溶质浓度的平衡对于防止细胞过度膨胀或收缩是必要的。如果将动物细胞放置在低渗溶液中，即外部溶质浓度低于细胞内的浓度，水将流入细胞，导致细胞膨胀并可能破裂。相反，如果细胞放置在高渗溶液中，即外部溶质浓度高，水将流出细胞，导致脱水和收缩。理解渗透压不仅限于生物学背景，它在各个行业中也有重要应用。例如，在食品保存中，渗透压被用于抑制微生物生长。通过使用糖或盐创造一个高渗环境，水被抽出微生物细胞，从而有效地保存食物。同样，在医疗治疗中，渗透压被应用于透析等过程，通过利用膜上溶质浓度的差异来帮助清除血液中的废物。此外，技术的进步使科学家能够操控渗透压以实现各种应用，包括药物输送系统。通过控制渗透环境，研究人员可以增强药物的有效性，确保它们在体内的正确时间和地点释放。总之，渗透压是支撑许多生物和工业过程的关键概念。它的重要性不容小觑，因为它影响着从我们细胞的健康到食品保存以及医疗治疗的有效性。对渗透压的更深入理解不仅丰富了我们对生命科学的认识，还为各个领域的创新解决方案打开了大门。当我们继续探索这一现象的复杂性时，我们会想起维持生命的微妙平衡，以及由这些基本原理所带来的科学进步的潜力。