coefficient of extension

简明释义

延伸系数

英英释义

例句

1.The material's coefficient of extension is crucial for determining how it will behave under temperature changes.

材料的延展系数对于确定其在温度变化下的行为至关重要。

2.The coefficient of extension can vary significantly between different materials, affecting their performance in various environments.

不同材料之间的延展系数可能差异显著，影响它们在不同环境中的性能。

3.To ensure accuracy, the coefficient of extension should be measured at the specific temperature range of use.

为了确保准确性，延展系数应在使用的特定温度范围内进行测量。

4.Engineers must consider the coefficient of extension when designing components that will experience thermal expansion.

工程师在设计会经历热膨胀的组件时，必须考虑延展系数。

5.The coefficient of extension of rubber is much higher than that of steel, making it suitable for different applications.

橡胶的延展系数远高于钢材，使其适用于不同的应用。

作文

The concept of the coefficient of extension is crucial in understanding how materials respond to changes in temperature. This coefficient measures the degree to which a material expands when it is heated. Different materials have different coefficients of extension, which means that some will expand more than others under the same temperature change. For instance, metals typically have higher coefficients of extension compared to ceramics or glass. This property is essential in various engineering applications where precision is key, such as in the design of bridges, railways, and buildings.When engineers design structures, they must consider the thermal expansion of materials. If a bridge is built without accounting for the coefficient of extension of the materials used, it could lead to structural failure. For example, steel expands significantly when heated, and if the expansion is not properly managed, it can cause the bridge to warp or even collapse. Therefore, understanding the coefficient of extension helps engineers create safer and more reliable structures.In addition to engineering, the coefficient of extension plays a vital role in everyday life. Consider the example of a metal lid on a glass jar. When heated, the metal lid expands more than the glass jar due to its higher coefficient of extension. This difference in expansion allows the lid to be removed easily, demonstrating how this principle is applied in practical situations.Moreover, the coefficient of extension is not just limited to solids. Liquids and gases also exhibit thermal expansion, although the coefficients are different. For instance, water has a unique behavior; it expands when heated but contracts when cooled to a certain point. This anomaly is crucial for aquatic life, as it ensures that ice forms on the surface of lakes, allowing organisms to survive beneath.Understanding the coefficient of extension also has implications in various scientific fields, including physics and material science. Researchers study these coefficients to develop new materials with specific thermal properties, which can be used in high-temperature applications or environments with extreme temperature fluctuations.In conclusion, the coefficient of extension is a fundamental concept that affects numerous aspects of our lives, from engineering to daily household tasks. By comprehensively understanding this coefficient, we can make informed decisions in design and usage, ensuring safety and efficiency. As technology advances, the importance of the coefficient of extension will continue to grow, highlighting the need for ongoing research and education in this area.

‘延伸系数’的概念对于理解材料如何响应温度变化至关重要。该系数测量材料在加热时膨胀的程度。不同材料具有不同的‘延伸系数’，这意味着在相同的温度变化下，有些材料的膨胀程度会比其他材料大。例如，金属通常具有比陶瓷或玻璃更高的‘延伸系数’。这一特性在各种工程应用中至关重要，尤其是在桥梁、铁路和建筑设计等需要精确度的领域。当工程师设计结构时，必须考虑材料的热膨胀。如果一座桥梁在建造时没有考虑所用材料的‘延伸系数’，可能会导致结构失效。例如，钢铁在加热时会显著膨胀，如果这种膨胀没有得到妥善管理，可能会导致桥梁扭曲甚至倒塌。因此，理解‘延伸系数’有助于工程师创建更安全、更可靠的结构。除了工程外，‘延伸系数’在日常生活中也发挥着重要作用。以金属盖子在玻璃罐上的例子为例。当加热时，由于金属盖子的‘延伸系数’高于玻璃罐，它的膨胀程度比玻璃罐大。这种膨胀差异使得盖子可以轻松打开，展示了这一原理在实际情况中的应用。此外，‘延伸系数’不仅限于固体。液体和气体也表现出热膨胀，尽管它们的系数不同。例如，水具有独特的行为；在加热时膨胀，但在冷却到某一点时收缩。这一异常现象对水生生命至关重要，因为它确保冰层在湖面上形成，使生物能够在水下生存。理解‘延伸系数’在物理学和材料科学等多个科学领域也具有重要意义。研究人员研究这些系数，以开发具有特定热性能的新材料，这些材料可以用于高温应用或极端温度波动的环境。总之，‘延伸系数’是一个基本概念，影响着我们生活的许多方面，从工程到日常家务。通过全面理解这个系数，我们可以在设计和使用中做出明智的决策，确保安全和效率。随着技术的发展，‘延伸系数’的重要性将继续增长，强调了在这一领域持续研究和教育的必要性。