ratio of expansion

简明释义

膨胀比

英英释义

例句

1.The engineer calculated the ratio of expansion to determine how much the material would stretch under heat.

工程师计算了膨胀比以确定材料在加热下会伸展多少。

2.The ratio of expansion affects how the structure will respond to temperature changes.

温度变化将影响结构的膨胀比。

3.The ratio of expansion for this alloy is higher than that of pure metals.

这种合金的膨胀比高于纯金属。

4.In thermodynamics, the ratio of expansion is crucial for understanding gas behavior.

在热力学中，膨胀比对于理解气体行为至关重要。

5.To design a bridge, architects must consider the ratio of expansion of the materials used.

为了设计桥梁，建筑师必须考虑所用材料的膨胀比。

作文

The concept of the ratio of expansion is essential in various scientific fields, particularly in physics and engineering. This ratio describes how much a material expands when subjected to heat or other forms of energy. Understanding the ratio of expansion can help engineers design structures that can withstand temperature fluctuations without suffering damage. For instance, when a metal rod is heated, it will expand. The ratio of expansion quantifies this change in length relative to the original length of the rod. If the ratio of expansion is high, the material will expand significantly, which could lead to structural failure if not accounted for in the design process.In everyday life, we encounter the effects of the ratio of expansion regularly. Consider the example of a railway track. Engineers must take into account the ratio of expansion of the metal used in the tracks. If they ignore this factor, the tracks could buckle during hot weather, creating dangerous conditions for trains. Therefore, knowing the ratio of expansion allows for safer infrastructure by ensuring that materials are appropriately chosen and installed.Furthermore, the ratio of expansion is not only limited to metals; it applies to liquids and gases as well. For example, when water is heated, it expands, and its ratio of expansion is critical for calculations in hydraulic systems. In these systems, if the ratio of expansion is not considered, there might be excessive pressure buildup, leading to potential system failures or even explosions.In the context of climate science, the ratio of expansion also plays a significant role. As global temperatures rise, the oceans expand due to the increased heat, contributing to rising sea levels. Scientists study the ratio of expansion of seawater to predict future changes in sea levels accurately. This information is vital for coastal planning and environmental protection strategies.Moreover, the ratio of expansion has implications in the field of materials science. Researchers are constantly looking for new materials with specific ratio of expansion properties that can be used in various applications, from electronics to aerospace. A material with a low ratio of expansion may be ideal for electronic components that require precision and stability under varying temperatures.In conclusion, the ratio of expansion is a fundamental concept that impacts many aspects of our lives, from the safety of our transportation systems to the sustainability of our environment. By understanding and applying the principles of the ratio of expansion, scientists and engineers can create better designs, improve safety, and contribute to a more sustainable future. As technology advances, the importance of this ratio will only grow, making it a crucial area of study in both academic and practical applications.

“膨胀比”这一概念在多个科学领域中至关重要，尤其是在物理学和工程学中。这个比率描述了材料在热量或其他形式的能量作用下扩张的程度。理解“膨胀比”可以帮助工程师设计能够承受温度波动而不会受到损害的结构。例如，当金属杆被加热时，它会膨胀。“膨胀比”量化了这种长度变化与杆的原始长度之间的关系。如果“膨胀比”较高，材料将显著膨胀，这可能导致结构失效，如果在设计过程中没有考虑到这一点。在日常生活中，我们经常遇到“膨胀比”的影响。以铁路轨道为例，工程师必须考虑用于轨道的金属的“膨胀比”。如果忽视这一因素，轨道可能在炎热天气中翘曲，给火车创造危险条件。因此，了解“膨胀比”能够通过确保材料的适当选择和安装来提高基础设施的安全性。此外，“膨胀比”不仅限于金属；它同样适用于液体和气体。例如，当水被加热时，它会膨胀，而其“膨胀比”对于液压系统中的计算至关重要。在这些系统中，如果不考虑“膨胀比”，可能会造成过大的压力积聚，从而导致系统故障甚至爆炸。在气候科学的背景下，“膨胀比”也发挥着重要作用。随着全球气温上升，海洋因增加的热量而膨胀，导致海平面上升。科学家们研究海水的“膨胀比”，以准确预测未来海平面的变化。这些信息对于沿海规划和环境保护策略至关重要。此外，“膨胀比”在材料科学领域也有重要意义。研究人员不断寻找具有特定“膨胀比”特性的材料，这些材料可以用于各种应用，从电子产品到航空航天。具有低“膨胀比”的材料可能非常适合需要在不同温度下保持精确和稳定的电子元件。总之，“膨胀比”是一个基本概念，影响着我们生活的许多方面，从交通系统的安全到环境的可持续性。通过理解和应用“膨胀比”的原理，科学家和工程师可以创造更好的设计，提高安全性，并为更可持续的未来做出贡献。随着技术的发展，这一比率的重要性只会增加，使其成为学术和实际应用中至关重要的研究领域。