transition temperature

简明释义

转变点

英英释义

例句

1.The material's transition temperature 转变温度 is critical for its performance in high-temperature applications.

该材料的转变温度 transition temperature 对于其在高温应用中的性能至关重要。

2.At temperatures below the transition temperature 转变温度, the polymer behaves like a brittle material.

在低于转变温度 transition temperature 的温度下，聚合物表现得像一种脆性材料。

3.Understanding the transition temperature 转变温度 helps engineers design more effective thermal systems.

理解转变温度 transition temperature 有助于工程师设计更有效的热系统。

4.In superconductors, the transition temperature 转变温度 is the point at which they exhibit zero electrical resistance.

在超导体中，转变温度 transition temperature 是它们表现出零电阻的点。

5.The transition temperature 转变温度 of this alloy is around 300 degrees Celsius.

这种合金的转变温度 transition temperature 大约是300摄氏度。

作文

The concept of transition temperature plays a crucial role in various scientific fields, particularly in materials science and physics. It refers to the specific temperature at which a substance undergoes a phase change, transitioning from one state of matter to another. For instance, when ice melts into water, it does so at 0 degrees Celsius, which can be referred to as its transition temperature. Understanding this phenomenon is not only fundamental for scientists but also has practical implications in our daily lives.In the realm of metallurgy, the transition temperature is significant when considering the properties of metals and alloys. Many materials exhibit different mechanical properties at varying temperatures. For example, steel becomes more ductile at higher temperatures, while it may become brittle at lower temperatures. This behavior is critical in construction and manufacturing, where materials must withstand specific environmental conditions. Engineers must therefore account for the transition temperature of materials to ensure structural integrity and safety.Moreover, the transition temperature is essential in the study of superconductors. Superconductivity is a phenomenon where certain materials can conduct electricity without resistance below a critical temperature. The transition temperature in this context defines the threshold at which a material transitions into its superconducting state. Researchers are continually searching for materials with higher transition temperatures to make superconducting technology more viable for practical applications, such as in magnetic levitation and efficient power transmission.In biology, the transition temperature can also refer to the temperature range within which certain biochemical processes occur optimally. For instance, enzymes, which are crucial for cellular processes, have specific transition temperatures where their activity peaks. If the temperature deviates too far from this range, enzyme activity may decrease significantly, affecting metabolic functions. This understanding is vital in fields like biochemistry and pharmacology, where temperature control can influence drug efficacy and biological reactions.Furthermore, climate science utilizes the concept of transition temperature to understand the effects of global warming on ecosystems. As temperatures rise, many species will face shifts in their habitats, potentially leading to a collapse of local ecosystems. For example, coral reefs experience bleaching when ocean temperatures exceed a certain transition temperature, resulting in the loss of biodiversity and affecting marine life. This highlights the importance of monitoring and mitigating climate change to protect vulnerable ecosystems.In conclusion, the term transition temperature encompasses a wide range of applications across different scientific disciplines. Whether in materials science, physics, biology, or environmental studies, understanding the transition temperature is essential for both theoretical research and practical applications. As we continue to explore the complexities of the natural world, the significance of these temperature thresholds will undoubtedly remain a focal point in advancing our knowledge and technology. By grasping the implications of transition temperature, we can better appreciate the delicate balance of our environment and the materials we use in our everyday lives.

“转变温度”这一概念在各个科学领域中起着至关重要的作用，特别是在材料科学和物理学中。它指的是物质发生相变的特定温度，即从一种物态转变为另一种物态。例如，当冰融化成水时，它是在零摄氏度进行的，这可以被称为其“转变温度”。理解这一现象不仅对科学家来说是基础性的，而且在我们的日常生活中也具有实际意义。在冶金学领域，“转变温度”在考虑金属和合金的性质时尤为重要。许多材料在不同温度下表现出不同的机械性能。例如，钢在高温下变得更具延展性，而在低温下可能变得脆弱。这种行为对于建筑和制造业至关重要，因为材料必须能够承受特定的环境条件。因此，工程师必须考虑材料的“转变温度”，以确保结构的完整性和安全性。此外，“转变温度”在超导体的研究中也至关重要。超导性是一种现象，在这种现象中，某些材料在临界温度以下能够无阻力地导电。在这种情况下，“转变温度”定义了材料转变为超导状态的临界阈值。研究人员不断寻找具有更高“转变温度”的材料，以使超导技术在实际应用中更具可行性，例如在磁悬浮和高效电力传输中。在生物学中，“转变温度”也可以指某些生化过程最佳发生的温度范围。例如，酶是细胞过程中至关重要的催化剂，具有特定的“转变温度”，在此温度下其活性达到最高。如果温度偏离此范围过远，酶的活性可能会显著降低，从而影响代谢功能。这一理解在生物化学和药理学等领域至关重要，因为温度控制可以影响药物的有效性和生物反应。此外，气候科学利用“转变温度”的概念来理解全球变暖对生态系统的影响。随着温度上升，许多物种将面临栖息地的变化，可能导致当地生态系统的崩溃。例如，当海洋温度超过某个“转变温度”时，珊瑚礁会经历白化，导致生物多样性的丧失并影响海洋生物。这突显了监测和减缓气候变化的重要性，以保护脆弱的生态系统。总之，“转变温度”这一术语涵盖了不同科学学科中广泛的应用。无论是在材料科学、物理学、生物学还是环境研究中，理解“转变温度”对理论研究和实际应用都是至关重要的。随着我们继续探索自然世界的复杂性，这些温度阈值的重要性无疑将继续成为推动我们知识和技术进步的焦点。通过掌握“转变温度”的含义，我们可以更好地欣赏我们环境的微妙平衡以及我们日常生活中使用的材料。