transition temperature

简明释义

转变温度

英英释义

例句

1.The scientist measured the transition temperature 转变温度 of the polymer to determine its thermal properties.

科学家测量了聚合物的转变温度 transition temperature以确定其热性能。

2.Researchers are studying the transition temperature 转变温度 of superconductors to enhance their performance.

研究人员正在研究超导体的转变温度 transition temperature以提高其性能。

3.In metallurgy, the transition temperature 转变温度 affects the ductility of steel.

在冶金学中，转变温度 transition temperature影响钢的延展性。

4.Understanding the transition temperature 转变温度 is crucial for materials used in extreme environments.

理解转变温度 transition temperature对于在极端环境中使用的材料至关重要。

5.The transition temperature 转变温度 of water is 0 degrees Celsius, where it changes from solid to liquid.

水的转变温度 transition temperature是0摄氏度，在这个温度下它从固体变为液体。

作文

The concept of transition temperature is crucial in various scientific and engineering fields, particularly in materials science and thermodynamics. It refers to the specific temperature at which a material undergoes a phase change, such as from solid to liquid or from one crystalline structure to another. Understanding this temperature is essential for predicting how materials will behave under different thermal conditions.In materials science, the transition temperature plays a significant role in determining the mechanical properties of substances. For instance, metals often have a distinct transition temperature that marks the point at which they become ductile or brittle. Below this temperature, a metal may fracture easily when subjected to stress, while above it, the same metal may exhibit greater flexibility and resilience. This understanding is vital for engineers when designing structures that must withstand varying temperatures and loads.Similarly, polymers also exhibit transition temperatures, specifically the glass transition temperature (Tg). At this point, the polymer transitions from a hard and relatively brittle state to a more rubbery and flexible state. This property is critical when selecting materials for applications that require durability and flexibility, such as in automotive or aerospace industries. Knowing the transition temperature allows engineers to choose the right materials that can perform effectively under specific operating conditions.In the context of thermodynamics, the transition temperature is also important for understanding phase diagrams. These diagrams illustrate the stability of different phases of a substance at various temperatures and pressures. The transition temperature indicates the boundaries between these phases, helping scientists predict how a substance will behave during heating or cooling processes. For example, water has a well-known transition temperature of 0 degrees Celsius, where it changes from ice to liquid water. This fundamental knowledge is applied in various fields, including meteorology, environmental science, and engineering.Moreover, the transition temperature is not only limited to physical changes in materials but also extends to biological systems. For instance, certain enzymes in living organisms have optimal transition temperatures at which they function most effectively. Outside of this temperature range, enzyme activity may decrease significantly, affecting metabolic processes. Thus, understanding the transition temperature is vital for biochemists and researchers working on enzyme kinetics and metabolic pathways.In conclusion, the transition temperature is a fundamental concept that intersects several disciplines, including materials science, thermodynamics, and biology. Its implications are vast, affecting everything from the design of safe and effective structures to the understanding of biological processes. By grasping the significance of the transition temperature, scientists and engineers can make informed decisions that enhance performance, safety, and efficiency across various applications. As we continue to explore new materials and technologies, the importance of understanding transition temperatures will undoubtedly grow, highlighting its role as a cornerstone of scientific inquiry and innovation.

“转变温度”这一概念在多个科学和工程领域中至关重要，特别是在材料科学和热力学中。它指的是材料经历相变的特定温度，例如从固态转变为液态或从一种晶体结构转变为另一种晶体结构。理解这一温度对于预测材料在不同热条件下的行为至关重要。在材料科学中，“转变温度”在确定物质的机械性能方面发挥着重要作用。例如，金属通常具有明显的“转变温度”，标志着它们变得韧性或脆性的点。在此温度以下，金属在受到压力时可能容易断裂，而在此温度以上，同样的金属可能表现出更大的灵活性和韧性。这一理解对于工程师在设计必须承受不同温度和负载的结构时至关重要。同样，聚合物也表现出“转变温度”，特别是玻璃转变温度（Tg）。在这一点上，聚合物从坚硬且相对脆的状态转变为更有弹性和柔韧的状态。这一特性在选择需要耐用性和灵活性的应用材料时至关重要，例如在汽车或航空航天工业中。了解“转变温度”使工程师能够选择在特定操作条件下能够有效表现的合适材料。在热力学的背景下，“转变温度”对于理解相图也很重要。这些图表描绘了物质在不同温度和压力下不同相态的稳定性。“转变温度”指示了这些相态之间的边界，帮助科学家预测物质在加热或冷却过程中如何表现。例如，水的“转变温度”是0摄氏度，在这一点上它从冰转变为液态水。这一基本知识在气象学、环境科学和工程等多个领域中得到应用。此外，“转变温度”不仅限于材料的物理变化，还扩展到生物系统。例如，某些生物体内的酶在其最有效的工作条件下也有最佳的“转变温度”。在这个温度范围之外，酶的活性可能显著下降，从而影响代谢过程。因此，理解“转变温度”对于研究酶动力学和代谢途径的生物化学家和研究人员至关重要。总之，“转变温度”是一个基础概念，交叉涉及多个学科，包括材料科学、热力学和生物学。其影响广泛，影响从安全有效地设计结构到理解生物过程的各个方面。通过掌握“转变温度”的重要性，科学家和工程师可以做出明智的决策，从而提高各种应用的性能、安全性和效率。随着我们继续探索新材料和技术，理解“转变温度”的重要性无疑会增加，突显其作为科学探究和创新基石的角色。