metastable state

简明释义

亚稳态

英英释义

例句

1.In certain chemical reactions, the product can exist in a metastable state 亚稳态 before transitioning to a more stable form.

在某些化学反应中，产物可以存在于一个metastable state 亚稳态，然后转变为更稳定的形式。

2.The metastable state 亚稳态 of the material can significantly affect its mechanical properties.

材料的metastable state 亚稳态可以显著影响其机械性质。

3.In physics, a particle can be trapped in a metastable state 亚稳态 due to energy barriers preventing it from decaying.

在物理学中，粒子可能被困在一个metastable state 亚稳态中，因为能量障碍阻止其衰变。

4.The glass formed during cooling can remain in a metastable state 亚稳态 for a long time without crystallizing.

在冷却过程中形成的玻璃可以长时间保持在一个metastable state 亚稳态而不结晶。

5.When a supercooled liquid is disturbed, it can rapidly transition from a metastable state 亚稳态 to a solid.

当过冷液体受到干扰时，它可以迅速从一个metastable state 亚稳态转变为固体。

作文

In the realm of physics and chemistry, the concept of a metastable state refers to a state of a physical system that is stable under small perturbations but can transition to a more stable state given sufficient energy or time. This phenomenon is crucial in understanding various processes, from the formation of crystals to the behavior of certain materials under stress. For instance, when we consider supercooled liquids, they exist in a metastable state where they remain liquid below their freezing point without crystallizing. This unique characteristic allows scientists to explore the properties of these liquids and their potential applications in various fields, including material science and pharmaceuticals.The significance of the metastable state extends beyond just theoretical implications; it plays a vital role in practical applications as well. In the field of semiconductor technology, certain materials can be engineered to remain in a metastable state, which enhances their performance in electronic devices. These materials can exhibit unique electrical properties that are not present in their stable forms, making them invaluable for developing faster and more efficient electronic components.Moreover, the concept of a metastable state is not limited to physical systems. It can also be observed in biological processes. For example, proteins can exist in a metastable state during folding, where they adopt a configuration that is not the most energetically favorable but can still perform their biological functions. Understanding these states is essential for biochemists and molecular biologists as they strive to unravel the complexities of life at the molecular level.One of the most fascinating aspects of metastable states is their ability to influence the dynamics of phase transitions. When a system in a metastable state is subjected to external stimuli, such as temperature changes or pressure variations, it can either remain in its current state or transition to a more stable configuration. This behavior is particularly important in the study of glassy materials, where the metastable state can persist for extended periods, leading to intriguing phenomena such as aging and relaxation.In conclusion, the concept of a metastable state is a fundamental aspect of various scientific disciplines, providing insights into the behavior of materials and biological systems. By understanding these states, researchers can harness their properties for innovative applications, ultimately pushing the boundaries of technology and science. Whether in the context of supercooled liquids, semiconductor materials, or protein folding, the metastable state serves as a reminder of the complexity and richness of the natural world, inviting further exploration and discovery.

在物理和化学领域，亚稳态的概念指的是一个物理系统在小扰动下是稳定的，但在足够的能量或时间下可以转变为更稳定状态的状态。这种现象对于理解各种过程至关重要，从晶体的形成到某些材料在压力下的行为。例如，当我们考虑过冷液体时，它们存在于一种亚稳态中，在低于其冰点的情况下仍然保持液态而不结晶。这一独特特性使科学家能够探索这些液体的性质及其在材料科学和制药等各个领域的潜在应用。亚稳态的重要性不仅限于理论意义，它在实际应用中也发挥着至关重要的作用。在半导体技术领域，某些材料可以被设计成保持在亚稳态，这增强了它们在电子设备中的性能。这些材料可以表现出其稳定形式中不存在的独特电气特性，使它们在开发更快、更高效的电子元件方面变得不可或缺。此外，亚稳态的概念并不限于物理系统。它也可以在生物过程中观察到。例如，蛋白质在折叠过程中可以存在于亚稳态，在这种状态下，它们采用一种不是最能量有利的构型，但仍然可以执行其生物功能。理解这些状态对于生物化学家和分子生物学家来说至关重要，因为他们努力解开生命在分子水平上的复杂性。亚稳态最迷人的方面之一是它们能够影响相变的动力学。当处于亚稳态的系统受到外部刺激，例如温度变化或压力变化时，它可以保持在当前状态或转变为更稳定的构型。这种行为在玻璃材料的研究中特别重要，在这些材料中，亚稳态可以持续很长时间，导致诸如老化和松弛等引人入胜的现象。总之，亚稳态的概念是各种科学学科的基本方面，为材料和生物系统的行为提供了见解。通过理解这些状态，研究人员可以利用它们的特性进行创新应用，最终推动技术和科学的边界。无论是在过冷液体、半导体材料还是蛋白质折叠的背景下，亚稳态都提醒我们自然世界的复杂性和丰富性，邀请进一步的探索和发现。