buffering capacity

简明释义

缓冲能力

英英释义

例句

1.The soil's buffering capacity allows it to maintain a stable pH level despite the addition of fertilizers.

土壤的缓冲能力使其能够在施加肥料的情况下维持稳定的pH值。

2.The buffering capacity of the human body helps regulate blood pH levels.

人体的缓冲能力有助于调节血液pH值。

3.Understanding the buffering capacity of a lake can help in managing its ecosystem.

了解湖泊的缓冲能力有助于管理其生态系统。

4.The buffering capacity of a chemical solution can affect the outcome of a laboratory experiment.

化学溶液的缓冲能力会影响实验室实验的结果。

5.In aquariums, the buffering capacity of water is crucial for keeping fish healthy.

在水族箱中，水的缓冲能力对保持鱼类健康至关重要。

作文

In the world of chemistry, the term buffering capacity refers to the ability of a solution to resist changes in pH when an acid or base is added. This property is crucial in many biological and environmental processes. For instance, in human blood, the buffering capacity helps maintain a stable pH level, which is essential for proper cellular function. If the pH of blood were to fluctuate significantly, it could lead to serious health issues, including metabolic acidosis or alkalosis.Buffer systems typically consist of a weak acid and its conjugate base, or a weak base and its conjugate acid. These components work together to neutralize added acids or bases, thereby stabilizing the pH. The effectiveness of a buffer system is determined by its buffering capacity, which is influenced by the concentrations of the acid and base components. A buffer with a high buffering capacity can absorb more hydrogen ions (H+) or hydroxide ions (OH-) without a significant change in pH.In environmental science, understanding the buffering capacity of natural water bodies is vital for assessing their health. For example, lakes and rivers can act as buffers against acid rain. When acidic precipitation falls into these water bodies, the buffering capacity allows them to neutralize the acid, thus protecting aquatic life. However, if the acid input exceeds the buffering capacity, it can lead to detrimental effects on fish populations and water quality.The concept of buffering capacity is also applicable in agriculture. Soil acts as a buffer for nutrients and pH levels, affecting plant growth. Farmers often test soil buffering capacity to determine how much lime or sulfur is needed to adjust the pH for optimal crop production. Soils with low buffering capacity are more susceptible to rapid changes in pH, which can adversely affect plant health.In conclusion, the buffering capacity is a fundamental concept across various scientific disciplines. It plays a critical role in maintaining the stability of biological systems, protecting ecosystems from pollution, and ensuring agricultural productivity. By understanding and managing buffering capacity, we can make informed decisions that benefit both our health and the environment. As we continue to face challenges such as climate change and pollution, the importance of buffering capacity becomes even more apparent, highlighting the need for ongoing research and education in this area.

在化学领域，术语缓冲能力指的是溶液在添加酸或碱时抵抗pH变化的能力。这一特性在许多生物和环境过程中至关重要。例如，在人体血液中，缓冲能力有助于维持稳定的pH水平，这对细胞正常功能是必不可少的。如果血液的pH值发生显著波动，可能会导致严重的健康问题，包括代谢性酸中毒或碱中毒。缓冲系统通常由弱酸及其共轭碱，或弱碱及其共轭酸组成。这些成分共同作用，可以中和添加的酸或碱，从而稳定pH值。缓冲系统的有效性由其缓冲能力决定，这受到酸和碱组分浓度的影响。具有高缓冲能力的缓冲剂可以在pH变化不显著的情况下吸收更多的氢离子（H+）或氢氧根离子（OH-）。在环境科学中，理解自然水体的缓冲能力对于评估其健康状况至关重要。例如，湖泊和河流可以作为酸雨的缓冲剂。当酸性降水落入这些水体时，缓冲能力使它们能够中和酸，从而保护水生生物。然而，如果酸的输入超过了缓冲能力，则可能对鱼类种群和水质造成不利影响。缓冲能力的概念在农业中也适用。土壤作为营养物质和pH水平的缓冲器，影响植物生长。农民通常测试土壤缓冲能力以确定需要添加多少石灰或硫来调整pH，以实现最佳作物生产。具有低缓冲能力的土壤更容易受到pH快速变化的影响，这可能对植物健康产生不利影响。总之，缓冲能力是各个科学领域的基本概念。它在维持生物系统的稳定、保护生态系统免受污染以及确保农业生产力方面发挥着关键作用。通过理解和管理缓冲能力，我们可以做出有利于我们健康和环境的明智决策。随着我们继续面临气候变化和污染等挑战，缓冲能力的重要性愈加明显，这突显了在这一领域进行持续研究和教育的必要性。