dynamic equilibrium

简明释义

动态平衡

英英释义

例句

1.In a chemical reaction, the system reaches dynamic equilibrium 动态平衡 when the rate of the forward reaction equals the rate of the reverse reaction.

在化学反应中，当正反应的速率等于逆反应的速率时，系统达到了动态平衡 动态平衡。

2.The climate system is an example of dynamic equilibrium 动态平衡, where various factors continuously interact.

气候系统是一个动态平衡 动态平衡的例子，其中各种因素不断相互作用。

3.The balance of predator and prey in an ecosystem can be described as dynamic equilibrium 动态平衡.

生态系统中捕食者和猎物的平衡可以被描述为动态平衡 动态平衡。

4.The economy is often in a state of dynamic equilibrium 动态平衡, adjusting to changes in supply and demand.

经济通常处于动态平衡 动态平衡状态，适应供需变化。

5.In a living cell, the concentrations of various ions maintain a dynamic equilibrium 动态平衡 that is essential for cellular function.

在活细胞中，各种离子的浓度维持着一个对细胞功能至关重要的动态平衡 动态平衡。

作文

In the intricate world of science, the concept of dynamic equilibrium plays a pivotal role in understanding various processes, especially in chemistry and biology. At its core, dynamic equilibrium refers to a state where the rate of forward reactions is equal to the rate of reverse reactions, resulting in no net change in the concentration of reactants and products over time. This concept is crucial in explaining how systems maintain stability while still undergoing continuous change.For example, consider a simple chemical reaction where reactants A and B combine to form products C and D. Initially, as the reaction proceeds, the concentrations of A and B decrease while C and D increase. However, as the reaction continues, the formation of products leads to an increase in their concentrations, which eventually causes the reverse reaction (C and D turning back into A and B) to occur at a faster rate. When these two rates become equal, the system reaches a state of dynamic equilibrium. It is important to note that even though the concentrations remain constant, the molecules are still in motion, and reactions continue to occur in both directions.This principle is not limited to chemistry; it can also be applied to biological systems. For instance, in human physiology, the regulation of blood glucose levels is an excellent example of dynamic equilibrium. The body constantly adjusts insulin and glucagon levels to maintain a stable blood sugar level. When we eat, blood glucose levels rise, prompting the pancreas to release insulin, which facilitates the uptake of glucose by cells. Conversely, when we fast or exercise, blood glucose levels drop, leading to the secretion of glucagon to release stored glucose into the bloodstream. This continuous adjustment exemplifies how living organisms strive to achieve dynamic equilibrium in response to changing internal and external conditions.Moreover, the concept of dynamic equilibrium extends beyond the natural sciences into social sciences as well. For instance, in economics, markets often reach a state of dynamic equilibrium where supply meets demand. Prices fluctuate based on changes in consumer preferences, technological advancements, or external factors such as natural disasters. However, the market continually adjusts to these changes, striving for a balance that reflects the current conditions.Understanding dynamic equilibrium is essential for scientists, economists, and anyone interested in the complexities of systems. It illustrates the delicate balance that must be maintained for stability while acknowledging that change is an inherent part of any system. In conclusion, the significance of dynamic equilibrium lies in its ability to explain how systems function and adapt over time, providing insight into the processes that govern both the physical and social worlds. Recognizing this balance helps us appreciate the intricate interplay of forces that shape our environment and our lives, reminding us that stability does not equate to stagnation but rather to a harmonious coexistence of change and constancy.

在科学的复杂世界中，动态平衡的概念在理解各种过程时发挥着关键作用，尤其是在化学和生物学中。在其核心，动态平衡指的是一种状态，其中正反应的速率等于反向反应的速率，导致反应物和产品的浓度随时间没有净变化。这个概念在解释系统如何维持稳定的同时仍然经历持续变化方面至关重要。例如，考虑一个简单的化学反应，其中反应物A和B结合形成产品C和D。最初，随着反应的进行，A和B的浓度降低，而C和D的浓度增加。然而，随着反应的继续，产品的形成导致其浓度增加，这最终导致反应的反向反应（C和D转变回A和B）以更快的速率发生。当这两种速率相等时，系统达到了一种动态平衡的状态。需要注意的是，即使浓度保持不变，分子仍在运动，反应也在两个方向上继续发生。这一原理不仅限于化学；它也可以应用于生物系统。例如，在人体生理中，血糖水平的调节就是动态平衡的一个极好例子。身体不断调整胰岛素和胰高血糖素的水平，以维持稳定的血糖水平。当我们进食时，血糖水平上升，促使胰腺释放胰岛素，从而促进细胞对葡萄糖的吸收。相反，当我们禁食或锻炼时，血糖水平下降，导致分泌胰高血糖素，将储存的葡萄糖释放到血液中。这种持续的调整体现了生物体在应对内部和外部条件变化时努力实现动态平衡。此外，动态平衡的概念还扩展到社会科学。例如，在经济学中，市场通常达到一种动态平衡的状态，其中供给与需求相匹配。价格根据消费者偏好的变化、技术进步或自然灾害等外部因素波动。然而，市场不断调整以适应这些变化，努力寻找反映当前条件的平衡。理解动态平衡对于科学家、经济学家以及任何对系统复杂性感兴趣的人来说都是至关重要的。它说明了必须维持的微妙平衡，以实现稳定，同时承认变化是任何系统固有的一部分。总之，动态平衡的重要性在于它能够解释系统如何运作和适应时间的变化，为我们提供了治理物理和社会世界的过程的洞察。认识到这种平衡帮助我们欣赏塑造我们环境和生活的力量之间的复杂互动，提醒我们稳定并不等同于停滞，而是变化与恒定和谐共存的状态。