metastable level

简明释义

亚稳能级

英英释义

例句

1.The researchers observed that the material had a metastable level 亚稳态 that could be manipulated by external pressure.

研究人员观察到该材料具有一个可以通过外部压力操控的亚稳态。

2.During the experiment, we maintained the chemical reaction at a metastable level 亚稳态 to study its properties.

在实验过程中，我们将化学反应维持在一个亚稳态以研究其特性。

3.The system can exist in a metastable level 亚稳态 for an extended period before transitioning to a more stable state.

该系统可以在一个亚稳态中存在较长时间，然后转变为更稳定的状态。

4.In quantum mechanics, particles may occupy a metastable level 亚稳态 that allows them to remain in a high-energy configuration.

在量子力学中，粒子可能占据一个亚稳态，使它们保持在高能配置中。

5.The metastable level 亚稳态 of the crystal structure was crucial for understanding its phase transitions.

晶体结构的亚稳态对理解其相变至关重要。

作文

In the realm of physics and chemistry, the concept of a metastable level plays a crucial role in understanding the behavior of systems that are not in their lowest energy state. A metastable level refers to a state of a physical system that is stable under small disturbances but can transition to a more stable state given sufficient energy input or perturbation. This phenomenon can be observed in various contexts, from the behavior of atoms and molecules to the dynamics of complex systems in nature.For instance, consider a ball sitting in a bowl. If the ball is at the bottom of the bowl, it is in a stable equilibrium; however, if the ball is placed on the edge of the bowl, it is in a metastable level. It can remain there indefinitely unless disturbed by an external force, such as a gust of wind or a slight nudge. Once it receives enough energy to overcome the barrier of the bowl's edge, it will roll down to the bottom, reaching a more stable state. This analogy helps illustrate how metastable levels function in real-world scenarios.In the field of materials science, metastable levels are particularly significant when examining phase transitions. For example, certain alloys can exist in a metastable level where they display properties different from their stable counterparts. These materials can retain their metastable level for extended periods until subjected to specific conditions, such as temperature changes or mechanical stress, at which point they may transition to a more stable phase. This understanding allows scientists and engineers to manipulate material properties for various applications, including creating stronger, lighter materials for aerospace and automotive industries.Moreover, the concept of metastable levels is also relevant in the study of biological systems. In biochemical reactions, enzymes often stabilize substrates in a metastable level, allowing for the reaction to proceed at a manageable rate. The enzyme facilitates the transition from this metastable level to the product state, illustrating how life processes rely on these principles to maintain homeostasis and facilitate metabolic pathways.In conclusion, the idea of a metastable level is integral to various scientific disciplines, bridging concepts in physics, materials science, and biology. Understanding these levels allows researchers to predict and control the behavior of systems, leading to advancements in technology and a deeper comprehension of the natural world. By studying metastable levels, we gain insights into the stability and dynamics of systems, ultimately enhancing our ability to innovate and solve complex problems in diverse fields. As we continue to explore these phenomena, the implications of metastable levels will undoubtedly expand, revealing new opportunities for discovery and application in science and engineering.

在物理和化学领域，亚稳态的概念在理解不处于最低能量状态的系统行为中起着至关重要的作用。亚稳态指的是一种物理系统的状态，该状态在小扰动下是稳定的，但在给予足够的能量输入或扰动时可以转变为更稳定的状态。这种现象可以在各种背景下观察到，从原子和分子的行为到自然界复杂系统的动态。例如，考虑一个坐在碗底的球。如果球处于碗的底部，它处于稳定的平衡状态；然而，如果球被放置在碗的边缘，它处于亚稳态。它可以无限期地保持在那里，除非受到外力的干扰，比如一阵风或轻微的推搡。一旦它获得足够的能量以克服碗边的障碍，它将滚回到底部，达到更稳定的状态。这个比喻有助于说明亚稳态在现实场景中的功能。在材料科学领域，亚稳态在研究相变时尤其重要。例如，某些合金可以存在于亚稳态中，在这种状态下它们表现出与其稳定对应物不同的特性。这些材料可以在较长时间内保持其亚稳态，直到受到特定条件的影响，例如温度变化或机械应力，此时它们可能会转变为更稳定的相。这种理解使科学家和工程师能够操纵材料的性质，以便在航空航天和汽车工业等各种应用中使用。此外，亚稳态的概念在生物系统的研究中也很相关。在生化反应中，酶通常将底物稳定在亚稳态中，从而使反应以可控的速率进行。酶促进从这种亚稳态到产物状态的转变，说明生命过程如何依赖这些原理来维持稳态并促进代谢途径。总之，亚稳态的概念是多个科学学科的基础，连接了物理、材料科学和生物学的概念。理解这些水平使研究人员能够预测和控制系统的行为，从而推动技术进步和对自然世界的更深入理解。通过研究亚稳态，我们获得了关于系统稳定性和动态的洞察，最终增强了我们在各个领域创新和解决复杂问题的能力。随着我们继续探索这些现象，亚稳态的影响无疑将扩大，揭示科学和工程中发现和应用的新机会。