metastable condition

简明释义

亚稳状态

英英释义

例句

1.The software was designed to handle data in a metastable condition 亚稳态 to prevent errors during processing.

该软件被设计为处理处于亚稳态 metastable condition的数据，以防止在处理过程中出现错误。

2.The system remained in a metastable condition 亚稳态 until external pressure was applied, causing it to transition to a more stable state.

该系统保持在亚稳态 metastable condition，直到施加外部压力，导致其转变为更稳定的状态。

3.Certain chemical reactions can be trapped in a metastable condition 亚稳态 that prevents them from reaching equilibrium.

某些化学反应可以被困在亚稳态 metastable condition中，阻止它们达到平衡。

4.In the field of materials science, a glass can exist in a metastable condition 亚稳态 for long periods before eventually crystallizing.

在材料科学领域，玻璃可以在亚稳态 metastable condition中存在很长时间，然后最终结晶。

5.In astrophysics, stars can exist in a metastable condition 亚稳态 for millions of years before undergoing a supernova explosion.

在天体物理学中，恒星可以在亚稳态 metastable condition中存在数百万年，然后经历超新星爆炸。

作文

In the realm of physics and chemistry, the concept of a metastable condition plays a crucial role in understanding the behavior of various systems. A metastable condition refers to a state of a physical system that is stable under small perturbations but can transition to a more stable state when sufficiently disturbed. This phenomenon is particularly important in fields such as material science, thermodynamics, and even biology.To illustrate the significance of a metastable condition, let us consider the example of supercooled water. Under normal circumstances, water freezes at 0 degrees Celsius. However, if water is cooled below this temperature without forming ice, it enters a metastable condition. In this state, the water remains liquid despite being in an environment where it should be solid. This metastable condition can persist until a disturbance, such as the introduction of ice crystals or a sudden jolt, triggers the freezing process. The implications of this behavior are profound, especially in meteorology and climate science, where understanding the stability of water in different phases is essential for predicting weather patterns and phenomena like snow formation.Another illustrative example can be found in the field of materials science, particularly in the study of alloys. Certain metal alloys can exist in a metastable condition where their atomic structure is not in its lowest energy configuration. For instance, some steel alloys can be quenched rapidly to create a metastable condition known as martensite. This structure is harder than the stable phase of steel, known as pearlite, but it is also more brittle. The metastable condition allows for the creation of materials with specific properties that can be beneficial for various applications, such as in the manufacturing of tools and construction materials. Understanding how to manipulate these metastable conditions enables engineers to design materials that meet specific performance requirements.In the biological sciences, metastable conditions can also be observed in cellular processes. For instance, certain proteins can fold into a metastable condition that is not their final functional form. These misfolded proteins may remain stable for extended periods, potentially leading to diseases such as Alzheimer's or Parkinson's when they aggregate. Research into these metastable conditions is critical for developing therapeutic strategies to combat such diseases by promoting the proper folding of proteins or preventing aggregation.In conclusion, the concept of a metastable condition is integral to various scientific disciplines, providing insights into the stability and transitions of different systems. Whether in the context of supercooled liquids, alloy structures, or protein folding, understanding metastable conditions allows scientists and engineers to harness these unique states for practical applications. As research continues to evolve, the exploration of metastable conditions will undoubtedly lead to new discoveries and innovations that can significantly impact technology and medicine. Thus, the study of metastable conditions not only enriches our understanding of the natural world but also opens up possibilities for future advancements in multiple fields.

在物理和化学领域，亚稳态的概念在理解各种系统的行为中起着至关重要的作用。亚稳态是指一个物理系统在小扰动下是稳定的，但在受到足够干扰时可以转变为更稳定的状态。这一现象在材料科学、热力学甚至生物学等领域尤为重要。为了说明亚稳态的重要性，让我们考虑超冷水的例子。在正常情况下，水在0摄氏度时会冻结。然而，如果水被冷却到低于这个温度而不形成冰，它就进入了亚稳态。在这种状态下，水保持液态，尽管处于应该是固态的环境中。这个亚稳态可以持续，直到扰动，例如引入冰晶或突然的震动，触发冻结过程。这种行为的意义深远，特别是在气象学和气候科学中，理解水在不同相态中的稳定性对于预测天气模式和诸如降雪形成等现象至关重要。另一个说明性的例子可以在材料科学领域找到，特别是在合金研究中。某些金属合金可以处于亚稳态，其原子结构并不是最低能量配置。例如，一些钢合金可以快速淬火以创建一种称为马氏体的亚稳态。这种结构比钢的稳定相（称为珠光体）更硬，但也更脆。亚稳态允许创造具有特定性能的材料，这对于各种应用（如工具制造和建筑材料）是有益的。理解如何操纵这些亚稳态使工程师能够设计满足特定性能要求的材料。在生物科学中，亚稳态也可以在细胞过程中观察到。例如，某些蛋白质可以折叠成一种亚稳态，这不是它们最终的功能形式。这些错误折叠的蛋白质可能会稳定存在较长时间，可能导致阿尔茨海默病或帕金森病等疾病的发生。当它们聚集时，研究这些亚稳态对开发治疗策略以对抗这些疾病至关重要，通过促进蛋白质的正确折叠或防止聚集。总之，亚稳态的概念是各种科学学科不可或缺的一部分，为理解不同系统的稳定性和转变提供了深入的见解。无论是在超冷液体、合金结构还是蛋白质折叠的背景下，理解亚稳态使科学家和工程师能够利用这些独特状态进行实际应用。随着研究的不断发展，对亚稳态的探索无疑将导致新的发现和创新，这些发现和创新可以显著影响技术和医学。因此，研究亚稳态不仅丰富了我们对自然世界的理解，还为多个领域的未来进步开辟了可能性。