osmolarity

简明释义

英[ˌɒzməʊˈlærəti]美[ˌɒzməˈlærətɪ]

n. 同渗浓摩

英英释义

单词用法

同义词

反义词

例句

1.The severity of tissue reaction to the extravasated contrast media depends on several factors: amount, osmolarity, and chemical components of contrast media.

对比剂的渗漏为日常放射线学检查常见问题，组织反应之严重程度与渗漏对比剂的量、渗透压、化学成份有关。

2.The severity of tissue reaction to the extravasated contrast media depends on several factors: amount, osmolarity, and chemical components of contrast media.

对比剂的渗漏为日常放射线学检查常见问题，组织反应之严重程度与渗漏对比剂的量、渗透压、化学成份有关。

3.AIM: To investigate the relationship between osmolarity, cell volume and cell proliferation in nasopharyngeal carcinoma cells.

目的：研究渗透压、细胞容积与鼻咽癌细胞增殖的关系。

4.They also recommend fluid replacement solutions made from what are called low-osmolarity oral rehydration salts.

他们还建议用口服补充液疗法来补充水分。

5.Hydrocortisone kept the normal plasma osmolarity (P<0.001).

氢化可的松维持正常血浆渗透压（P<0.001）。

6.The doctor explained that the osmolarity 渗透浓度 of the blood can indicate dehydration.

医生解释说，血液的osmolarity 渗透浓度可以指示脱水情况。

7.In clinical settings, measuring the osmolarity 渗透浓度 of urine helps assess kidney function.

在临床环境中，测量尿液的osmolarity 渗透浓度有助于评估肾功能。

8.The osmolarity 渗透浓度 of a solution can affect cell membrane permeability.

溶液的osmolarity 渗透浓度可以影响细胞膜的通透性。

9.A high osmolarity 渗透浓度 in the extracellular fluid can lead to cellular dehydration.

细胞外液中的高osmolarity 渗透浓度可能导致细胞脱水。

10.When preparing IV fluids, it is crucial to consider the osmolarity 渗透浓度 to avoid complications.

在准备静脉输液时，考虑osmolarity 渗透浓度是至关重要的，以避免并发症。

作文

Osmolarity is a term used in biology and chemistry to describe the concentration of solute particles in a solution. It is defined as the number of osmoles of solute per liter of solution. Understanding osmolarity (渗透浓度) is essential for many physiological processes in living organisms. For instance, in human physiology, the regulation of osmolarity (渗透浓度) is critical for maintaining homeostasis, which is the stable internal condition necessary for survival. When discussing osmolarity (渗透浓度), it is important to distinguish between isotonic, hypertonic, and hypotonic solutions. An isotonic solution has the same osmolarity (渗透浓度) as the intracellular fluid of cells, meaning there is no net movement of water into or out of the cells. This balance is crucial for cell health, as excessive water influx or efflux can lead to cellular damage or death. On the other hand, a hypertonic solution has a higher osmolarity (渗透浓度) than the inside of the cell. When cells are placed in a hypertonic solution, water moves out of the cell in an attempt to balance the solute concentrations on both sides of the cell membrane. This process can cause cells to shrink and potentially become non-functional. Conversely, a hypotonic solution has a lower osmolarity (渗透浓度) than the inside of the cell, causing water to flow into the cell. If too much water enters, cells can swell and burst, leading to a phenomenon known as lysis. The concept of osmolarity (渗透浓度) is not only relevant in human biology but also plays a significant role in various scientific applications. In medical settings, the osmolarity (渗透浓度) of intravenous fluids must be carefully regulated to ensure that they are compatible with the patient’s blood plasma. Solutions that are isotonic to blood, such as normal saline, are commonly used to prevent complications during fluid replacement therapies. In addition to its medical implications, osmolarity (渗透浓度) is also a critical factor in agriculture and environmental science. For example, plants rely on the osmolarity (渗透浓度) of soil solutions to absorb water and nutrients. If the soil becomes too saline (high osmolarity (渗透浓度)), plants may struggle to take up the necessary water, leading to dehydration and stunted growth. Understanding how osmolarity (渗透浓度) affects plant health can help farmers optimize irrigation practices and improve crop yields. In summary, osmolarity (渗透浓度) is a fundamental concept that permeates various fields of study, from biology to medicine and agriculture. Its importance cannot be overstated, as it directly influences the health of cells, the effectiveness of medical treatments, and the viability of crops. By grasping the principles of osmolarity (渗透浓度), we can better understand the intricate balance of life and the delicate interactions that sustain it.

渗透浓度是一个用于生物学和化学的术语，用来描述溶液中溶质颗粒的浓度。它被定义为每升溶液中的渗透摩尔数。理解osmolarity（渗透浓度）对于许多生理过程至关重要。例如，在人体生理学中，osmolarity（渗透浓度）的调节对维持稳态至关重要，而稳态是生存所需的稳定内部条件。 在讨论osmolarity（渗透浓度）时，区分等渗、超渗和低渗溶液非常重要。等渗溶液与细胞的细胞内液具有相同的osmolarity（渗透浓度），这意味着水不会净流入或流出细胞。这种平衡对细胞健康至关重要，因为过量的水流入或流出可能导致细胞损伤或死亡。 另一方面，超渗溶液的osmolarity（渗透浓度）高于细胞内部。当细胞置于超渗溶液中时，水会试图流出细胞，以平衡细胞膜两侧的溶质浓度。这一过程可能导致细胞收缩并可能失去功能。相反，低渗溶液的osmolarity（渗透浓度）低于细胞内部，导致水流入细胞。如果水进入过多，细胞可能会膨胀并破裂，导致称为溶解的现象。 osmolarity（渗透浓度）的概念不仅在人体生物学中相关，而且在各种科学应用中也发挥着重要作用。在医疗环境中，静脉输液的osmolarity（渗透浓度）必须仔细调节，以确保与患者血浆兼容。与血液等渗的溶液，如生理盐水，通常用于防止在液体替代治疗期间发生并发症。 除了医疗意义外，osmolarity（渗透浓度）在农业和环境科学中也是一个关键因素。例如，植物依赖土壤溶液的osmolarity（渗透浓度）来吸收水分和养分。如果土壤变得过于盐碱（高osmolarity（渗透浓度）），植物可能会难以吸收必要的水分，导致脱水和生长受限。了解osmolarity（渗透浓度）如何影响植物健康可以帮助农民优化灌溉实践，提高作物产量。 总之，osmolarity（渗透浓度）是一个基本概念，渗透到各个研究领域，从生物学到医学和农业。它的重要性不容低估，因为它直接影响细胞的健康、医疗治疗的有效性和作物的生存能力。通过掌握osmolarity（渗透浓度）的原理，我们可以更好地理解生命的微妙平衡以及维持生命的复杂相互作用。