thermal expansion

简明释义

热膨胀

英英释义

例句

1.In winter, metal pipes can contract, while in summer, they expand due to thermal expansion 热膨胀.

在冬季，金属管道会收缩，而在夏季，由于热膨胀 热膨胀，它们会膨胀。

2.Understanding thermal expansion 热膨胀 is crucial for making accurate predictions in meteorology.

理解热膨胀 热膨胀 对于气象学中做出准确预测至关重要。

3.The engineer explained how thermal expansion 热膨胀 can affect the integrity of bridges in hot weather.

工程师解释了在炎热天气中，热膨胀 热膨胀 如何影响桥梁的完整性。

4.The glass manufacturer uses special techniques to minimize thermal expansion 热膨胀 during production.

玻璃制造商使用特殊技术来最小化生产过程中的热膨胀 热膨胀。

5.When designing rail tracks, engineers must account for thermal expansion 热膨胀 to prevent buckling.

在设计铁路轨道时，工程师必须考虑热膨胀 热膨胀 以防止翘曲。

作文

Thermal expansion is a fundamental concept in physics that describes how materials change in size or volume when they are heated. When the temperature of a substance increases, its particles gain kinetic energy and move more vigorously, causing the substance to expand. This phenomenon is observed in various materials, including solids, liquids, and gases. Understanding thermal expansion (热胀冷缩) is crucial in many fields, such as engineering, construction, and everyday life. In engineering, for instance, the effects of thermal expansion (热胀冷缩) must be carefully considered when designing structures like bridges and buildings. Materials such as steel and concrete expand when exposed to heat, which can lead to structural issues if not properly accounted for. Engineers often incorporate expansion joints in their designs to allow for this movement, ensuring that the integrity of the structure is maintained over time. Without these considerations, the consequences could be catastrophic, leading to cracks, warping, or even collapse.In addition to engineering applications, thermal expansion (热胀冷缩) plays a significant role in everyday objects. For example, when heating a metal lid on a jar, the lid expands more than the glass jar due to differences in thermal expansion rates. This difference allows us to open the jar easily after applying heat. Similarly, thermometers rely on the principle of thermal expansion (热胀冷缩) to measure temperature. As the liquid inside the thermometer heats up, it expands and rises in the tube, providing a clear indication of the temperature.Moreover, the natural world also showcases examples of thermal expansion (热胀冷缩). Bodies of water, such as oceans and lakes, expand when heated, contributing to rising sea levels. This effect is particularly concerning in the context of climate change, where global temperatures are increasing, leading to significant environmental impacts. Understanding the implications of thermal expansion (热胀冷缩) is essential for developing strategies to mitigate these changes and protect our ecosystems.In conclusion, thermal expansion (热胀冷缩) is an essential concept that permeates various aspects of science and daily life. From engineering to environmental studies, recognizing how materials behave under changing temperatures allows us to design safer structures, create efficient devices, and understand the natural world better. As we continue to explore and innovate, the principles of thermal expansion (热胀冷缩) will remain a vital consideration in our endeavors.