metastable level
简明释义
亚稳能级
英英释义
例句
1.When the pressure was reduced, the gas transitioned from a stable state to a metastable level 亚稳态.
当压力降低时,气体从稳定状态转变为一个metastable level 亚稳态。
2.The metastable level 亚稳态 of the crystal structure was crucial for its unique optical properties.
该晶体结构的metastable level 亚稳态 对其独特的光学特性至关重要。
3.In quantum mechanics, particles can exist in a metastable level 亚稳态 before transitioning to a more stable state.
在量子力学中,粒子可以存在于一个metastable level 亚稳态,然后转变为更稳定的状态。
4.Researchers observed that the material could remain in a metastable level 亚稳态 under specific temperature conditions.
研究人员观察到该材料在特定温度条件下可以保持在一个metastable level 亚稳态。
5.The system reached a metastable level 亚稳态 that allowed it to maintain its configuration for an extended period.
该系统达到了一个metastable level 亚稳态,使其能够维持配置较长时间。
作文
In the field of physics and chemistry, the concept of a metastable level refers to a state of a system that is stable under certain conditions but can transition to a more stable state when disturbed. This phenomenon is particularly interesting because it often occurs in systems that are not at their lowest energy state. For instance, consider a ball resting 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 without moving, but the slightest disturbance could cause it to roll down into a more stable position. Understanding metastable levels is crucial in various scientific disciplines, including materials science, thermodynamics, and quantum mechanics. In materials science, certain alloys or compounds can exist in a metastable level, where they exhibit unique properties that differ from their stable counterparts. These materials can be engineered for specific applications, such as creating stronger or lighter components for aerospace engineering.In thermodynamics, the concept of metastable levels is essential when discussing phase transitions. For example, supercooled liquids exist in a metastable level where they remain liquid below their normal freezing point. When a nucleation event occurs, such as an impurity or a sudden drop in temperature, the supercooled liquid can rapidly crystallize into a solid state. This behavior has significant implications in fields like meteorology, where understanding the conditions that lead to ice formation in clouds can help predict weather patterns.Quantum mechanics also presents fascinating examples of metastable levels. In atomic and molecular systems, certain excited states can be classified as metastable levels. These states can persist for a considerable amount of time before transitioning to a lower energy state, often through processes like spontaneous emission. The study of these transitions is fundamental in developing lasers and other photonic devices, where control over the energy states of atoms is paramount.Moreover, the concept of metastable levels extends beyond the physical sciences into biological systems. For instance, proteins can fold into metastable levels during their synthesis. These intermediate states can be crucial for the protein's final structure and function. Misfolding can lead to diseases, such as Alzheimer's, highlighting the importance of understanding these transient states in biological research.In summary, the notion of a metastable level is a vital concept across multiple scientific domains. It provides insight into how systems behave under various conditions and helps explain phenomena that might otherwise seem paradoxical. By studying metastable levels, scientists can manipulate materials, predict weather events, and understand biological processes at a fundamental level. As research continues to advance, the implications of metastable levels will likely expand, offering new opportunities for innovation and discovery in science and technology.
在物理和化学领域,亚稳定态这一概念指的是系统在特定条件下的稳定状态,但在受到干扰时可以转变为更稳定的状态。这一现象尤其有趣,因为它通常发生在不处于最低能量状态的系统中。例如,考虑一个球体静止在一个碗中。如果球体处于碗的底部,它处于稳定平衡状态。然而,如果球体被放置在碗的边缘,它处于亚稳定态; 它可以保持在那里而不动,但最轻微的干扰就可能导致它滚落到更稳定的位置。理解亚稳定态对于材料科学、热力学和量子力学等多个科学学科至关重要。在材料科学中,某些合金或化合物可以存在于亚稳定态,其展现出的独特性质与其稳定的对应物不同。这些材料可以被设计用于特定的应用,例如制造更强或更轻的航空航天工程组件。在热力学中,亚稳定态的概念在讨论相变时是必不可少的。例如,过冷液体存在于亚稳定态,在正常的冰点以下仍然保持液态。当发生成核事件时,例如杂质或温度的突然下降,过冷液体可以迅速结晶为固态。这种行为在气象学中具有重要意义,因为理解导致云中冰形成的条件可以帮助预测天气模式。量子力学也展示了令人着迷的亚稳定态示例。在原子和分子系统中,某些激发态可以被归类为亚稳定态。这些状态可以持续相当长的时间,然后通过自发发射等过程转变为较低的能量状态。这些转变的研究对于开发激光和其他光子设备是基础,因为对原子的能量状态的控制至关重要。此外,亚稳定态的概念不仅限于物理科学,也扩展到了生物系统。例如,蛋白质在合成过程中可以折叠成亚稳定态。这些中间状态对蛋白质的最终结构和功能至关重要。错误折叠可能导致疾病,如阿尔茨海默病,这凸显了在生物研究中理解这些瞬态状态的重要性。总之,亚稳定态的概念是多个科学领域的重要概念。它提供了对系统在各种条件下行为的洞察,并帮助解释那些看似矛盾的现象。通过研究亚稳定态,科学家可以操控材料、预测天气事件,并在基础层面理解生物过程。随着研究的不断进展,亚稳定态的影响可能会扩展,为科学和技术中的创新与发现提供新的机会。
相关单词