temperature coefficient

简明释义

温度系数

英英释义

例句

1.The temperature coefficient of thermal expansion is crucial for materials used in engineering applications.

热膨胀的温度系数对工程应用中的材料至关重要。

2.When designing circuits, engineers must consider the temperature coefficient of the components to ensure reliability.

在设计电路时，工程师必须考虑元件的温度系数以确保可靠性。

3.A high temperature coefficient can lead to significant performance variations in electronic devices.

高温度系数可能导致电子设备性能的显著变化。

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

电阻的温度系数表示材料的电阻随温度变化的程度。

5.In semiconductors, a negative temperature coefficient means that resistance decreases as temperature increases.

在半导体中，负的温度系数意味着随着温度升高，电阻会降低。

作文

Understanding the concept of temperature coefficient is crucial in various scientific fields, especially in physics and engineering. The temperature coefficient refers to the measure of how much a physical property changes with temperature. This property is vital for materials used in electronics, thermodynamics, and even in everyday applications like cooking and manufacturing. For instance, when we consider metals, their resistance typically increases with temperature. This change can be quantified by the temperature coefficient of resistance, which indicates how much the resistance of a metal will increase per degree of temperature rise. In practical terms, if we have a copper wire with a temperature coefficient of resistance of approximately 0.00393 per degree Celsius, it means that for every degree Celsius increase in temperature, the resistance of the wire will increase by about 0.393%. This knowledge is essential for electrical engineers who design circuits and need to account for changes in resistance due to temperature variations. Failure to consider the temperature coefficient can lead to inefficient designs and potential failures in electrical systems.Moreover, the temperature coefficient is not limited to electrical properties. In the realm of thermodynamics, it plays a significant role in understanding how gases behave under different temperatures. For example, the ideal gas law states that the pressure of a gas is directly proportional to its temperature when volume is held constant. The temperature coefficient of pressure helps predict how the pressure will change as the temperature fluctuates. This principle is used in various applications, from weather forecasting to designing pressure-sensitive equipment.In addition to scientific applications, the temperature coefficient also has implications in environmental science. Understanding how different materials respond to temperature changes can help in developing better insulation materials for buildings, which can lead to energy savings and improved comfort. For instance, materials with a low temperature coefficient are preferred for insulation because they minimize heat transfer, keeping homes warm in winter and cool in summer.Furthermore, in the context of climate change, the temperature coefficient can aid in modeling how ecosystems respond to rising temperatures. Plants and animals have specific temperature ranges in which they thrive, and changes in temperature can lead to shifts in habitats and biodiversity. By studying the temperature coefficient of various species, scientists can predict potential impacts on ecosystems and inform conservation efforts.In conclusion, the temperature coefficient is a fundamental concept that bridges multiple disciplines, providing insights into how temperature influences physical properties. From electrical engineering to environmental science, understanding this coefficient allows professionals to make informed decisions and develop technology that can adapt to changing conditions. As our world continues to evolve, the importance of comprehending the temperature coefficient will only grow, making it an essential topic for future study and application.

理解温度系数的概念在多个科学领域中至关重要，特别是在物理学和工程学中。温度系数是指物理属性随温度变化的程度。这一属性对于用于电子、热力学，甚至日常应用如烹饪和制造的材料至关重要。例如，当我们考虑金属时，它们的电阻通常会随着温度的升高而增加。这种变化可以通过电阻的温度系数来量化，后者表明金属的电阻将因温度升高而增加多少。在实际应用中，如果我们有一根铜线，其电阻的温度系数约为每摄氏度0.00393，这意味着每升高一摄氏度，铜线的电阻将增加约0.393%。这一知识对设计电路的电气工程师至关重要，他们需要考虑由于温度变化导致的电阻变化。如果不考虑温度系数，可能会导致设计效率低下和电气系统的潜在故障。此外，温度系数不仅限于电气属性。在热力学领域，它在理解气体如何在不同温度下行为方面发挥着重要作用。例如，理想气体定律表明，当体积保持不变时，气体的压力与其温度成正比。压力的温度系数有助于预测温度波动时压力如何变化。这个原理被广泛应用于天气预报和设计压力敏感设备等各个领域。除了科学应用，温度系数在环境科学中也有重要意义。了解不同材料如何响应温度变化可以帮助开发更好的建筑绝缘材料，从而节省能源并改善舒适度。例如，具有低温度系数的材料更适合用作绝缘材料，因为它们最小化热传递，使房屋在冬季保持温暖，在夏季保持凉爽。此外，在气候变化的背景下，温度系数可以帮助模型预测生态系统如何应对气温上升。植物和动物在特定的温度范围内生存，温度变化可能导致栖息地和生物多样性的变化。通过研究各种物种的温度系数，科学家可以预测对生态系统的潜在影响，并为保护工作提供信息。总之，温度系数是一个基本概念，跨越多个学科，为温度如何影响物理属性提供了深入的见解。从电气工程到环境科学，理解这一系数使专业人士能够做出明智的决策，并开发能够适应变化条件的技术。随着我们的世界不断发展，理解温度系数的重要性只会增加，这使其成为未来学习和应用的一个重要主题。