expansion ratio

简明释义

膨胀比

英英释义

例句

1.A higher expansion ratio means that the material can occupy more space when expanded.

更高的膨胀比意味着材料在膨胀时可以占据更多空间。

2.The expansion ratio of the foam determines its insulation properties.

泡沫的膨胀比决定了其绝缘性能。

3.Engine performance can be affected by the expansion ratio of the combustion chamber.

发动机性能可能受到燃烧室的膨胀比影响。

4.To calculate the expansion ratio, you need to know the initial and final volumes.

要计算膨胀比，你需要知道初始和最终的体积。

5.In this experiment, we measured the expansion ratio of the gas when heated.

在这个实验中，我们测量了气体加热时的膨胀比。

作文

The term expansion ratio is commonly used in various fields, including engineering, physics, and even economics. It refers to the ratio of the final volume of a substance to its initial volume. Understanding this concept is crucial for many applications, particularly in thermodynamics and fluid mechanics. For instance, when a gas is heated, it expands and occupies a larger volume compared to its original state. The expansion ratio can be calculated by dividing the final volume by the initial volume, providing valuable insights into the behavior of gases under different conditions.In engineering, the expansion ratio plays a significant role in the design of engines and turbines. For example, in internal combustion engines, a higher expansion ratio typically leads to greater efficiency. This is because more energy can be extracted from the fuel as it expands during combustion. Engineers must carefully consider the expansion ratio when designing these systems to ensure optimal performance and fuel efficiency.Moreover, the expansion ratio is also important in the field of materials science. When materials are subjected to heat, they tend to expand. Understanding the expansion ratio of different materials helps engineers select suitable materials for specific applications, ensuring that structures can withstand temperature changes without compromising their integrity.In the context of economics, the concept of expansion ratio can be applied to analyze market growth. The expansion ratio in this sense refers to the growth of a market or an economy over time, comparing current market size to previous sizes. This analysis helps businesses and policymakers make informed decisions about investments and resource allocation.In summary, the expansion ratio is a versatile concept that finds application across various disciplines. Whether in thermodynamics, engineering, materials science, or economics, understanding the expansion ratio enables professionals to make better decisions based on the behavior of substances or markets. By grasping the significance of the expansion ratio, one can appreciate the intricate relationships between physical properties and practical applications in real-world scenarios. As we continue to explore the implications of the expansion ratio, it becomes evident that this simple yet profound concept is foundational to advancements in technology and industry.

“扩展比”这个术语在多个领域中被广泛使用，包括工程学、物理学，甚至经济学。它指的是某种物质的最终体积与其初始体积的比率。理解这一概念对于许多应用至关重要，特别是在热力学和流体力学中。例如，当气体被加热时，它会膨胀并占据比原始状态更大的体积。通过将最终体积除以初始体积，可以计算出扩展比，这为我们提供了关于气体在不同条件下行为的宝贵见解。在工程学中，扩展比在发动机和涡轮机的设计中起着重要作用。例如，在内燃机中，更高的扩展比通常会导致更高的效率。这是因为在燃烧过程中，更多的能量可以从燃料中提取出来。工程师在设计这些系统时必须仔细考虑扩展比，以确保最佳性能和燃料效率。此外，扩展比在材料科学领域也很重要。当材料受到热量影响时，它们往往会膨胀。了解不同材料的扩展比有助于工程师选择适合特定应用的材料，确保结构能够承受温度变化而不影响其完整性。在经济学的背景下，扩展比的概念可以用来分析市场增长。在这种意义上，扩展比指的是市场或经济随时间增长的情况，将当前市场规模与之前的规模进行比较。这种分析帮助企业和政策制定者在投资和资源分配方面做出明智的决策。总之，扩展比是一个多功能的概念，广泛应用于各个学科。无论是在热力学、工程学、材料科学还是经济学中，理解扩展比使专业人士能够根据物质或市场的行为做出更好的决策。通过掌握扩展比的重要性，我们可以欣赏到物理属性与实际应用之间的复杂关系。在我们继续探索扩展比的影响时，这一简单而深刻的概念成为技术和工业进步的基础。