limiting concentration

简明释义

极限浓度

英英释义

例句

1.The limiting concentration of salt in the water affects the survival of aquatic life.

水中的盐分限制浓度影响水生生物的生存。

2.The study aimed to determine the limiting concentration of the drug in plasma for effective treatment.

这项研究旨在确定药物在血浆中的限制浓度以实现有效治疗。

3.To prevent toxicity, researchers must identify the limiting concentration of the chemical compound.

为了防止毒性，研究人员必须确定化合物的限制浓度。

4.In environmental science, the limiting concentration of pollutants is crucial for assessing ecosystem health.

在环境科学中，污染物的限制浓度对评估生态系统健康至关重要。

5.The limiting concentration of the enzyme was reached, resulting in a plateau in reaction rate.

酶的限制浓度达到后，反应速率出现了平稳状态。

作文

In the realm of chemistry and environmental science, the concept of limiting concentration plays a crucial role in understanding how substances interact within a given environment. The term limiting concentration refers to the maximum concentration of a substance that can exist in a solution before it begins to precipitate or undergo a chemical reaction that alters its state. This concept is vital for various applications, including pollution control, drug formulation, and industrial processes.To illustrate the importance of limiting concentration, consider the example of a pharmaceutical company developing a new medication. Scientists must determine the limiting concentration of active ingredients to ensure that the drug is effective without causing adverse effects. If the concentration exceeds this limit, it may lead to toxicity, rendering the medication harmful rather than beneficial. Therefore, understanding and calculating the limiting concentration is essential for ensuring patient safety and therapeutic efficacy.Moreover, in environmental science, the limiting concentration of pollutants in water bodies is critical for assessing water quality. Regulatory agencies often set maximum allowable concentrations of harmful substances to protect aquatic life and human health. For instance, if the concentration of lead in drinking water surpasses the limiting concentration established by health authorities, it poses significant health risks, particularly to vulnerable populations such as children and pregnant women. Monitoring these concentrations helps prevent ecological damage and ensures safe drinking water.In addition to health and safety considerations, the concept of limiting concentration is also relevant in industrial chemistry. Many manufacturing processes rely on precise concentrations of reactants to achieve desired outcomes. If the concentration of a key ingredient exceeds its limiting concentration, it can lead to unwanted side reactions, production inefficiencies, or even hazardous situations. Thus, maintaining optimal concentrations is crucial for maximizing productivity and minimizing risks in industrial settings.Furthermore, the limiting concentration can also influence the behavior of chemical reactions. According to Le Chatelier's principle, when a system at equilibrium is disturbed, it will adjust to counteract the change. This means that if the concentration of a reactant increases beyond its limiting concentration, the equilibrium will shift, potentially leading to the formation of products or the depletion of reactants. Understanding this dynamic is essential for chemists who aim to manipulate reaction conditions to favor the formation of desired products.In conclusion, the concept of limiting concentration is integral to various fields, including pharmaceuticals, environmental science, and industrial chemistry. By comprehending the implications of limiting concentration, scientists and professionals can make informed decisions that enhance safety, efficacy, and efficiency. Whether it's ensuring the safety of medications, protecting water quality, or optimizing industrial processes, the significance of limiting concentration cannot be overstated. As we continue to advance our understanding of chemical interactions, the careful consideration of limiting concentration will remain a fundamental aspect of scientific inquiry and application.

在化学和环境科学领域，限制浓度的概念在理解物质如何在特定环境中相互作用方面发挥着至关重要的作用。术语限制浓度是指在溶液中存在的物质的最大浓度，在此浓度之前，它开始沉淀或发生化学反应，从而改变其状态。这个概念对于各种应用至关重要，包括污染控制、药物配方和工业过程。为了说明限制浓度的重要性，可以考虑制药公司开发新药的例子。科学家必须确定活性成分的限制浓度，以确保药物有效而不会引起不良反应。如果浓度超过这一限制，可能会导致毒性，使药物变得有害而非有益。因此，理解和计算限制浓度对于确保患者安全和治疗效果至关重要。此外，在环境科学中，水体中污染物的限制浓度对评估水质至关重要。监管机构通常设定有害物质的最大允许浓度，以保护水生生命和人类健康。例如，如果饮用水中铅的浓度超过了卫生部门设定的限制浓度，则会对健康造成重大风险，尤其是对儿童和孕妇等脆弱群体。因此，监测这些浓度有助于防止生态损害并确保安全的饮用水。除了健康和安全考虑外，限制浓度的概念在工业化学中也很相关。许多制造过程依赖于反应物的精确浓度来实现期望的结果。如果关键成分的浓度超过其限制浓度，可能会导致不必要的副反应、生产效率低下，甚至危险情况。因此，保持最佳浓度对于最大化生产力和最小化工业环境中的风险至关重要。此外，限制浓度还可以影响化学反应的行为。根据勒夏特列原理，当平衡系统受到干扰时，它将调整以抵消变化。这意味着如果反应物的浓度超过其限制浓度，平衡将发生偏移，可能导致生成产物或消耗反应物。理解这种动态对于旨在操纵反应条件以促进所需产品形成的化学家至关重要。总之，限制浓度的概念在制药、环境科学和工业化学等多个领域中具有重要意义。通过理解限制浓度的影响，科学家和专业人士可以做出明智的决策，从而提高安全性、有效性和效率。无论是确保药物的安全性、保护水质，还是优化工业过程，限制浓度的重要性都不容小觑。随着我们对化学相互作用理解的不断深入，仔细考虑限制浓度将始终是科学研究和应用的基本方面。