temperature coefficient

简明释义

温度系数

英英释义

例句

1.The temperature coefficient of resistance indicates how much the resistance of a material changes with temperature.

电阻的温度系数指的是材料的电阻随温度变化的程度。

2.In solar panels, the temperature coefficient affects the overall efficiency as temperatures rise.

在太阳能电池板中，温度系数会影响温度升高时的整体效率。

3.Engineers must consider the temperature coefficient when designing circuits that operate in varying thermal environments.

工程师在设计在不同热环境下工作的电路时，必须考虑温度系数。

4.A low temperature coefficient in materials is desirable for applications in high-temperature environments.

在高温环境中，材料具有低温度系数是理想的。

5.The temperature coefficient of a battery can determine its performance in extreme weather conditions.

电池的温度系数可以决定其在极端天气条件下的性能。

作文

The concept of temperature coefficient is crucial in various fields of science and engineering, particularly in the study of materials and their properties. In simple terms, the temperature coefficient refers to the degree to which a physical property changes with temperature. This property can be anything from electrical resistance to the volume of a substance. Understanding the temperature coefficient is essential for engineers and scientists as it allows them to predict how materials will behave under different thermal conditions.For instance, consider the case of electrical conductors. The temperature coefficient of resistance indicates how much the resistance of a conductor increases or decreases with a change in temperature. Most metals have a positive temperature coefficient, meaning their resistance increases as the temperature rises. This characteristic is significant when designing electrical circuits, as excessive heat can lead to failures or inefficiencies.On the other hand, some materials exhibit a negative temperature coefficient. For example, certain types of thermistors, which are resistors whose resistance varies significantly with temperature, can decrease their resistance as the temperature increases. This behavior makes them useful in applications such as temperature sensing and control systems. By understanding the temperature coefficient of these materials, engineers can design more efficient and reliable electronic devices.In the realm of thermodynamics, the temperature coefficient also plays a vital role. It helps in understanding the expansion of materials when heated. Most substances expand when their temperature rises, and the temperature coefficient of linear expansion quantifies this change. This information is critical in construction and manufacturing, where materials must fit together precisely despite changes in temperature. For example, bridges and railways are designed with expansion joints that accommodate the expansion and contraction of materials due to temperature fluctuations, which are calculated using the temperature coefficient of linear expansion.Moreover, the temperature coefficient is not limited to physical properties. It also extends to chemical reactions. Many chemical reactions are temperature-dependent, and the temperature coefficient can indicate how the rate of a reaction changes with temperature. This understanding is vital in industries such as pharmaceuticals and petrochemicals, where controlling reaction rates can lead to increased efficiency and safety.In conclusion, the temperature coefficient is a fundamental concept that permeates various scientific disciplines. Its applications range from electronics to construction and chemistry, making it an essential factor in the design and analysis of systems and materials. By mastering the implications of the temperature coefficient, professionals can innovate and improve technologies that rely on precise temperature management. As we continue to advance in our understanding of materials and their behaviors, the temperature coefficient will remain a key element in ensuring efficiency and functionality in a wide array of applications.

“温度系数”这一概念在科学和工程的各个领域中都至关重要，特别是在材料及其性质的研究中。简单来说，“温度系数”指的是物理属性随着温度变化而变化的程度。这个属性可以是从电阻到物质体积的任何东西。理解“温度系数”对于工程师和科学家来说至关重要，因为它使他们能够预测材料在不同热条件下的行为。例如，考虑电导体的情况。“温度系数”指示了导体的电阻随温度变化而增加或减少的程度。大多数金属具有正的“温度系数”，这意味着它们的电阻随着温度的升高而增加。这一特性在设计电路时非常重要，因为过多的热量可能导致故障或效率低下。另一方面，一些材料表现出负的“温度系数”。例如，某些类型的热敏电阻，其电阻随着温度变化而显著变化，可以在温度升高时降低其电阻。这种行为使它们在温度传感和控制系统等应用中非常有用。通过理解这些材料的“温度系数”，工程师可以设计出更高效、更可靠的电子设备。在热力学领域，“温度系数”也起着至关重要的作用。它有助于理解材料在加热时的膨胀。当温度升高时，大多数物质会膨胀，而线性膨胀的“温度系数”则量化了这种变化。这一信息在建筑和制造中至关重要，因为材料必须在温度变化时精确地结合在一起。例如，桥梁和铁路的设计中都有膨胀缝，以适应由于温度波动而导致的材料的膨胀和收缩，这些都是通过线性膨胀的“温度系数”来计算的。此外，“温度系数”不仅限于物理属性。它还扩展到化学反应。许多化学反应依赖于温度，而“温度系数”可以指示反应速率如何随温度变化而变化。这一理解在制药和石油化工等行业中至关重要，在这些行业中，控制反应速率可以提高效率和安全性。总之，“温度系数”是一个基本概念，渗透到各种科学学科中。它的应用范围从电子学到建筑和化学，使其成为设计和分析系统与材料的重要因素。通过掌握“温度系数”的影响，专业人士可以创新和改善依赖于精确温度管理的技术。随着我们对材料及其行为的理解不断深入，“温度系数”将继续在确保广泛应用的效率和功能方面发挥关键作用。