transition temperature

简明释义

转变温度

英英释义

例句

1.In polymers, the transition temperature indicates the point where the material changes from brittle to ductile.

在聚合物中，转变温度指示材料从脆性转变为韧性的点。

2.The transition temperature of this alloy is critical for its application in aerospace engineering.

这种合金的转变温度对其在航空工程中的应用至关重要。

3.By lowering the transition temperature, we can enhance the performance of superconducting materials.

通过降低转变温度，我们可以提高超导材料的性能。

4.Understanding the transition temperature helps in predicting the behavior of materials under different thermal conditions.

理解转变温度有助于预测材料在不同热条件下的行为。

5.The transition temperature for this specific type of glass is around 550 degrees Celsius.

这种特定类型玻璃的转变温度约为550摄氏度。

作文

The concept of transition temperature is crucial in various fields such as physics, material science, and engineering. It refers to the specific temperature at which a substance undergoes a change in its physical state or properties. For example, in materials science, the transition temperature can indicate the point at which a metal becomes brittle or a polymer changes from a hard to a soft state. Understanding this temperature is essential for predicting how materials will behave under different thermal conditions. In the realm of superconductivity, the transition temperature marks the temperature below which a material exhibits zero electrical resistance. This phenomenon is vital for developing advanced technologies, including magnetic resonance imaging (MRI) machines and particle accelerators. Scientists continuously seek new materials with higher transition temperatures to enhance the efficiency and performance of these technologies. Moreover, the transition temperature also plays a significant role in the study of phase transitions. For instance, water transitions from ice to liquid at 0 degrees Celsius under standard atmospheric pressure. This simple example illustrates how the transition temperature can have profound implications in both natural and engineered systems, affecting everything from weather patterns to climate change. In biological systems, the transition temperature can influence enzyme activity and metabolic processes. Enzymes, which are crucial for biochemical reactions, often have optimal temperatures at which they function most efficiently. If the temperature exceeds the transition temperature, enzymes may denature, leading to a loss of function. This understanding is vital for fields such as biochemistry and medicine, where temperature regulation is key to maintaining life. Furthermore, in the context of polymers, the transition temperature is essential for determining their applications. Polymers have different types of transition temperatures, such as the glass transition temperature (Tg) and the melting temperature (Tm). The Tg indicates the temperature at which a polymer transitions from a brittle, glassy state to a more flexible, rubbery state. This property is critical for designing materials that can withstand varying temperatures without losing their structural integrity. In conclusion, the transition temperature is a fundamental concept that spans multiple disciplines. Its significance is evident in material properties, biological functions, and technological advancements. By understanding and manipulating the transition temperature, scientists and engineers can innovate and improve materials and processes, ultimately benefiting society. As research continues to evolve, the exploration of transition temperatures will undoubtedly uncover new insights and applications that we have yet to imagine.

“转变温度”这一概念在物理学、材料科学和工程等多个领域至关重要。它指的是物质在特定温度下发生物理状态或性质变化的温度。例如，在材料科学中，“转变温度”可以指示金属变得脆弱或聚合物从硬态转变为软态的临界点。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。在超导性领域，“转变温度”标志着材料表现出零电阻的温度。这一现象对开发先进技术至关重要，包括磁共振成像（MRI）设备和粒子加速器。科学家们不断寻求具有更高“转变温度”的新材料，以提高这些技术的效率和性能。此外，“转变温度”在相变研究中也发挥着重要作用。例如，水在标准大气压下在0摄氏度时从冰转变为液体。这个简单的例子说明了“转变温度”在自然和工程系统中可能产生深远影响，影响从天气模式到气候变化的方方面面。在生物系统中，“转变温度”会影响酶活性和代谢过程。酶是生化反应所必需的，其通常具有最佳温度，在该温度下它们的功能最为有效。如果温度超过“转变温度”，酶可能会变性，导致功能丧失。这一理解对于生物化学和医学等领域至关重要，因为温度调节是维持生命的关键。此外，在聚合物的背景下，“转变温度”对于确定其应用至关重要。聚合物具有不同类型的“转变温度”，例如玻璃转变温度（Tg）和熔融温度（Tm）。Tg表示聚合物从脆性、玻璃态转变为更柔韧的橡胶态的温度。这一特性对于设计能够承受不同温度而不失去结构完整性的材料至关重要。总之，“转变温度”是一个跨越多个学科的基本概念。其重要性在材料特性、生物功能和技术进步中显而易见。通过理解和操控“转变温度”，科学家和工程师可以创新和改进材料和工艺，最终造福社会。随着研究的不断发展，对“转变温度”的探索无疑将揭示出新的见解和我们尚未想象的应用。