stationary state

简明释义

静止状态

英英释义

例句

1.In ecology, a population can be considered to be in a stationary state 驻态 when birth and death rates are equal.

在生态学中，当出生率和死亡率相等时，种群可以被视为处于stationary state 驻态。

2.The system reached a stationary state 驻态 where all forces acting on it are balanced.

系统达到了一个stationary state 驻态，在这个状态下所有作用于它的力都是平衡的。

3.A stationary state 驻态 in thermodynamics refers to a system that does not change over time despite energy exchanges.

热力学中的stationary state 驻态指的是一个尽管进行能量交换，但仍然不随时间变化的系统。

4.In quantum mechanics, a particle in a stationary state 驻态 has a constant probability distribution over time.

在量子力学中，处于stationary state 驻态的粒子在时间上具有恒定的概率分布。

5.The chemical reaction reached a stationary state 驻态 after several hours, showing no change in concentration of reactants and products.

经过几小时后，化学反应达到了一个stationary state 驻态，反应物和产物的浓度没有变化。

作文

In the realm of physics and chemistry, the term stationary state refers to a condition where the properties of a system remain constant over time. This concept is crucial in understanding various phenomena, such as chemical reactions and physical processes. A stationary state can be likened to a balance point in a dynamic system where the input and output are equal, resulting in no net change. For instance, consider a simple chemical reaction where reactants are converted into products. If the rate at which reactants are transformed equals the rate at which products revert back into reactants, the system has reached a stationary state. At this juncture, the concentrations of all substances involved remain constant, even though the reactions continue to occur at the molecular level.The significance of the stationary state is not limited to chemistry alone; it also finds applications in various fields such as ecology, economics, and engineering. In ecology, a population can reach a stationary state when the birth rate equals the death rate, leading to a stable population size. Similarly, in economics, markets can experience a stationary state where supply meets demand, resulting in price stability.One of the most fascinating aspects of the stationary state is its relation to thermodynamics. In thermodynamic systems, a stationary state can be achieved when the energy entering a system equals the energy leaving it. This principle is particularly important in the design of engines and refrigerators, where maintaining a stationary state ensures optimal performance and efficiency.To illustrate further, let’s consider an example from everyday life: a car cruising at a constant speed on a flat road. In this scenario, the forces acting on the car, such as friction and air resistance, are balanced by the engine's power output. The car maintains a stationary state in terms of speed, even though numerous processes are occurring under the hood. The fuel is being consumed, and energy is being transformed, yet the overall speed of the car remains unchanged.Understanding the concept of stationary state allows scientists and researchers to predict behavior in various systems. It provides a framework for analyzing stability and change, enabling us to develop models that can simulate real-world scenarios. Whether it’s predicting the outcome of a chemical reaction or assessing the stability of an ecosystem, the stationary state serves as a fundamental building block in our comprehension of complex systems.In conclusion, the stationary state is a vital concept that transcends multiple disciplines. Its implications stretch far beyond theoretical frameworks, influencing practical applications in technology, environmental science, and economics. By grasping the essence of the stationary state, we gain valuable insights into the behavior of systems in equilibrium, enhancing our ability to navigate and manipulate the world around us.

在物理和化学领域，术语stationary state指的是一个系统的属性随时间保持不变的状态。这个概念对于理解各种现象至关重要，例如化学反应和物理过程。stationary state可以比作动态系统中的平衡点，在这个平衡点上，输入和输出相等，从而导致没有净变化。例如，考虑一个简单的化学反应，其中反应物被转化为产物。如果反应物转化的速率等于产物重新转化为反应物的速率，那么该系统就达到了stationary state。在这个时刻，所有相关物质的浓度保持不变，即使反应仍在分子层面上继续进行。stationary state的重要性不仅限于化学；它还在生态学、经济学和工程等多个领域中得到了应用。在生态学中，当出生率等于死亡率时，种群可以达到stationary state，从而导致种群规模的稳定。类似地，在经济学中，市场可以经历stationary state，即供给与需求相等，从而导致价格稳定。stationary state最迷人的方面之一是它与热力学的关系。在热力学系统中，当进入系统的能量等于离开系统的能量时，可以实现stationary state。这一原理在发动机和冰箱的设计中尤为重要，维护stationary state可确保最佳性能和效率。为了进一步说明，让我们考虑一个日常生活中的例子：一辆汽车在平坦的道路上以恒定速度巡航。在这种情况下，作用于汽车的力，如摩擦力和空气阻力，与发动机的功率输出平衡。汽车在速度上维持了stationary state，尽管引擎内部发生了许多过程。燃料正在被消耗，能量正在转化，但汽车的整体速度保持不变。理解stationary state的概念使科学家和研究人员能够预测各种系统的行为。它为分析稳定性和变化提供了框架，使我们能够开发出能够模拟现实场景的模型。无论是预测化学反应的结果，还是评估生态系统的稳定性，stationary state都是我们理解复杂系统的基本构件。总之，stationary state是一个超越多个学科的重要概念。它的影响远远超出了理论框架，影响着技术、环境科学和经济学中的实际应用。通过掌握stationary state的本质，我们获得了对平衡系统行为的宝贵洞察，增强了我们驾驭和操纵周围世界的能力。