quasi-stationary state

简明释义

似稳状态

英英释义

例句

1.In thermodynamics, a system can be considered to be in a quasi-stationary state 准静态状态 when it undergoes changes that are slow enough for the system to remain in equilibrium.

在热力学中，当一个系统的变化足够缓慢，以至于系统可以保持在平衡状态时，可以认为该系统处于准静态状态 准静态状态。

2.The economic model predicts a quasi-stationary state 准静态状态 where inflation and employment rates stabilize over time.

经济模型预测了一个准静态状态 准静态状态，在这个状态下，通货膨胀和就业率随着时间的推移而稳定。

3.In fluid dynamics, a quasi-stationary state 准静态状态 can help simplify the analysis of flow patterns.

在流体动力学中，准静态状态 准静态状态可以帮助简化流动模式的分析。

4.The population of the species reached a quasi-stationary state 准静态状态 where birth and death rates balanced each other out.

该物种的种群达到了一个准静态状态 准静态状态，在这个状态下出生率和死亡率相互平衡。

5.During the experiment, the chemical reaction was maintained in a quasi-stationary state 准静态状态 to ensure accurate measurements.

在实验过程中，化学反应被维持在一个准静态状态 准静态状态，以确保测量的准确性。

作文

In the realm of physics and engineering, the concept of a quasi-stationary state is pivotal for understanding various dynamic systems. A quasi-stationary state refers to a condition where a system appears to be in equilibrium over a certain period, even though it may be undergoing gradual changes. This idea is particularly useful when analyzing processes that evolve slowly compared to the time scales of interest. For instance, consider the example of a slowly heated metal rod. While the temperature of the rod is increasing, one can observe that the temperature distribution within the rod reaches a state that does not change significantly over short intervals. This scenario exemplifies a quasi-stationary state where the system's characteristics are stable enough to allow for simplifications in analysis.The importance of recognizing quasi-stationary states lies in their ability to simplify complex problems. In many cases, instead of solving the full set of equations that describe a dynamic process, scientists and engineers can focus on the quasi-stationary state to derive approximate solutions. This approach significantly reduces computational effort and allows for more intuitive understanding of phenomena. For example, in thermodynamics, one might analyze the behavior of gases in a quasi-stationary state to derive relationships such as the ideal gas law, which describes the behavior of gases under certain conditions.However, it is crucial to understand the limitations of applying the quasi-stationary state concept. Not all systems can be approximated as such, especially those that exhibit rapid changes or chaotic behavior. In these cases, relying on quasi-stationary state assumptions can lead to inaccurate predictions and potentially flawed designs. Therefore, it is essential for researchers and practitioners to carefully assess the dynamics of the systems they are studying before applying this concept.In addition to its applications in physical sciences, the notion of a quasi-stationary state also finds relevance in other fields, such as economics and ecology. In economics, markets can sometimes reach a quasi-stationary state where prices stabilize despite ongoing economic activities. Similarly, ecosystems can experience quasi-stationary states during periods of environmental stability, where species populations fluctuate around certain averages without drastic changes in community structure.In conclusion, the understanding of quasi-stationary states is essential across various disciplines. It offers a powerful framework for simplifying and analyzing complex systems, allowing for meaningful insights and predictions. However, careful consideration must be given to the applicability of this concept to ensure accurate interpretations of dynamic behaviors. As we continue to explore the intricacies of natural and engineered systems, the quasi-stationary state will remain a vital tool in our analytical arsenal, aiding us in navigating the complexities of the world around us.

在物理和工程领域中，准静态状态的概念对于理解各种动态系统至关重要。准静态状态指的是一个系统在某段时间内看似处于平衡状态，尽管它可能正在经历逐渐的变化。这个概念在分析与关注时间尺度相比演变缓慢的过程时特别有用。例如，考虑一个缓慢加热的金属棒。当棒的温度升高时，可以观察到棒内的温度分布达到一个在短时间间隔内变化不大的状态。这种情况例证了准静态状态，在这个状态下，系统的特征足够稳定，以允许在分析中进行简化。认识到准静态状态的重要性在于其能够简化复杂问题。在许多情况下，科学家和工程师可以专注于准静态状态以推导近似解，而不是解决描述动态过程的完整方程组。这种方法显著减少了计算工作量，并使对现象的理解更加直观。例如，在热力学中，人们可能会分析气体在准静态状态下的行为，以推导理想气体定律，该定律描述了在某些条件下气体的行为。然而，理解应用准静态状态概念的局限性是至关重要的，并非所有系统都可以被近似为这样的状态，尤其是那些表现出快速变化或混沌行为的系统。在这些情况下，依赖于准静态状态假设可能导致不准确的预测和潜在的设计缺陷。因此，研究人员和从业者在应用这一概念之前，必须仔细评估他们所研究系统的动态特征。除了在物理科学中的应用外，准静态状态的概念在经济学和生态学等其他领域也具有相关性。在经济学中，市场有时可以达到准静态状态，在此状态下，尽管经济活动持续进行，价格仍然稳定。同样，在环境稳定的时期，生态系统也可能经历准静态状态，在这种状态下，物种种群围绕某些平均值波动，而不会在社区结构上发生剧烈变化。总之，理解准静态状态在各个学科中都是必不可少的。它提供了一个强大的框架，用于简化和分析复杂系统，从而获得有意义的见解和预测。然而，必须仔细考虑这一概念的适用性，以确保对动态行为的准确解释。随着我们继续探索自然和工程系统的复杂性，准静态状态将继续作为我们分析工具箱中的重要工具，帮助我们驾驭周围世界的复杂性。