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.

电阻的温度系数表示材料的电阻随温度变化的程度。

2.The temperature coefficient of thermal expansion is crucial for materials used in construction.

建筑材料的温度系数对于热膨胀至关重要。

3.Knowing the temperature coefficient of a solar panel helps in predicting its efficiency under different temperatures.

了解太阳能电池板的温度系数有助于预测其在不同温度下的效率。

4.In semiconductors, the temperature coefficient can significantly affect their performance.

在半导体中，温度系数会显著影响其性能。

5.The temperature coefficient of a battery affects its charge and discharge rates.

电池的温度系数影响其充电和放电速率。

作文

The concept of temperature coefficient refers to the measure of how much a physical property changes with temperature. This term is widely used in various scientific fields, including physics, chemistry, and materials science. Understanding the temperature coefficient is crucial for engineers and scientists as it helps predict how materials will behave under different thermal conditions.For instance, consider the behavior of metals. Most metals expand when heated and contract when cooled. The temperature coefficient of linear expansion quantifies this change in size per degree of temperature change. For example, if a metal has a temperature coefficient of 0.000012 per degree Celsius, it means that for every degree increase in temperature, the metal expands by 0.000012 times its original length. This property is essential in construction and manufacturing, where precise measurements are critical.In electronics, the temperature coefficient plays a significant role in the performance of components like resistors and capacitors. Resistors, for example, have a temperature coefficient that indicates how their resistance changes with temperature. A resistor with a high temperature coefficient may not perform reliably in environments with fluctuating temperatures, leading to circuit failures or malfunctions. Therefore, engineers must select components with appropriate temperature coefficients to ensure stability and reliability in electronic devices.Moreover, the temperature coefficient is also relevant in the field of thermodynamics. It helps in understanding how the efficiency of engines and refrigerators changes with temperature variations. For instance, the efficiency of a heat engine can be affected by the temperature coefficient of the working fluid. If the temperature coefficient indicates that the fluid's properties change significantly with temperature, engineers need to account for these variations when designing systems to optimize performance.In addition to its applications in engineering and science, the temperature coefficient is also important in environmental studies. Climate change impacts various materials and biological systems, and understanding the temperature coefficient can help predict how these systems will respond to temperature fluctuations. For example, the growth rate of certain plants can be influenced by the temperature coefficient of photosynthesis rates, which vary with temperature. This knowledge can guide agricultural practices and conservation efforts.In conclusion, the temperature coefficient is a fundamental concept that describes how physical properties change with temperature. Its applications span across multiple disciplines, including engineering, electronics, thermodynamics, and environmental science. By understanding and applying the temperature coefficient, professionals can make informed decisions that enhance performance, reliability, and sustainability in their respective fields. As we continue to face challenges related to temperature changes due to climate change and technological advancements, the significance of the temperature coefficient will only grow, making it an essential area of study for future innovations.

“温度系数”这个概念是指物理性质随温度变化的程度。这一术语广泛应用于物理、化学和材料科学等多个科学领域。理解“温度系数”对于工程师和科学家至关重要，因为它有助于预测材料在不同热条件下的行为。例如，考虑金属的行为。大多数金属在加热时膨胀，在冷却时收缩。“温度系数”的线性膨胀量化了这种随温度变化而改变的大小。例如，如果一种金属的“温度系数”为每摄氏度0.000012，这意味着每增加1摄氏度，金属的长度就会膨胀0.000012倍。这一特性在建筑和制造中至关重要，因为精确的测量是关键。在电子学中，“温度系数”在电阻器和电容器等组件的性能中起着重要作用。例如，电阻器具有一个“温度系数”，指示其电阻随温度变化的情况。具有较高“温度系数”的电阻器在温度波动的环境中可能无法可靠工作，导致电路故障或失效。因此，工程师必须选择具有适当“温度系数”的组件，以确保电子设备的稳定性和可靠性。此外，“温度系数”在热力学领域也相关。它有助于理解发动机和冰箱的效率如何随着温度变化而变化。例如，热机的效率可能受到工作流体的“温度系数”的影响。如果“温度系数”表明流体的性质随温度显著变化，工程师需要在设计系统时考虑这些变化，以优化性能。除了在工程和科学中的应用外，“温度系数”在环境研究中也很重要。气候变化影响各种材料和生物系统，理解“温度系数”可以帮助预测这些系统对温度波动的反应。例如，某些植物的生长速率可能受到光合作用速率的“温度系数”的影响，而这一速率因温度而异。这一知识可以指导农业实践和保护工作。总之，“温度系数”是一个基本概念，描述了物理性质随温度变化的方式。它的应用跨越多个学科，包括工程、电子学、热力学和环境科学。通过理解和应用“温度系数”，专业人士可以做出明智的决策，从而提高各自领域的性能、可靠性和可持续性。随着我们继续面临由于气候变化和技术进步而导致的温度变化相关挑战，“温度系数”的重要性只会增加，使其成为未来创新的重要研究领域。