contraction ratio

简明释义

收缩系数

英英释义

例句

1.When designing a mold, the contraction ratio must be considered to avoid defects in the final cast.

在设计模具时，必须考虑收缩比以避免最终铸件中的缺陷。

2.The engineer calculated the contraction ratio to determine how much the material would shrink during cooling.

工程师计算了收缩比以确定材料在冷却过程中会缩小多少。

3.The contraction ratio of the polymer affects its performance in various applications.

聚合物的收缩比影响其在各种应用中的性能。

4.In textile manufacturing, understanding the contraction ratio is essential for ensuring the final product fits correctly.

在纺织制造中，了解收缩比对于确保最终产品合适至关重要。

5.A higher contraction ratio can lead to increased stress on the material during the cooling phase.

较高的收缩比可能导致材料在冷却阶段承受更大的应力。

作文

The concept of contraction ratio is essential in various fields, particularly in engineering and physics. It refers to the ratio of the original length of a material to its length after it has been subjected to a force that causes it to contract. Understanding this ratio is crucial for engineers who design structures and materials that must withstand different forces and conditions. For example, when metals are heated, they expand, and when they cool, they contract. The contraction ratio helps in predicting how much a metal will shrink when it returns to room temperature. This knowledge is vital for ensuring that components fit together correctly and function as intended.In the context of civil engineering, the contraction ratio plays a significant role in the construction of buildings and bridges. Materials such as concrete and steel have specific contraction ratios that must be taken into account during the design phase. If these ratios are not considered, the structure may experience stress and deformation, leading to potential failures. For instance, if a bridge expands in hot weather but does not have sufficient allowance for contraction in cooler weather, it could warp or crack.Moreover, the contraction ratio is also relevant in the manufacturing industry, especially in processes like injection molding. When plastic is injected into a mold, it cools and contracts. Understanding the contraction ratio of the material ensures that the final product retains its intended dimensions and fits properly with other components. Manufacturers conduct tests to determine the contraction ratio of different materials to optimize their production processes and reduce waste.In addition to engineering and manufacturing, the contraction ratio can also be observed in everyday life. For example, when cooking pasta, the contraction ratio of the noodles changes as they absorb water and swell. Once removed from the heat, they begin to cool and contract back to a smaller size. This principle is not just limited to food; it can be found in various materials, including rubber, glass, and textiles.In conclusion, the contraction ratio is a fundamental concept that affects many aspects of our lives, from the buildings we inhabit to the products we use daily. By understanding and applying this ratio, engineers, manufacturers, and even home cooks can make informed decisions that lead to better outcomes. As technology advances, the study of contraction ratio will continue to evolve, providing even more insights into the behavior of materials under different conditions. This knowledge is essential for innovation and safety in our increasingly complex world.

“收缩比”这一概念在多个领域中至关重要，尤其是在工程和物理学中。它指的是材料的原始长度与在受到使其收缩的力作用后长度的比率。理解这个比率对于设计必须承受不同力量和条件的结构和材料的工程师来说至关重要。例如，当金属被加热时，它们会膨胀，而当冷却时，它们会收缩。“收缩比”有助于预测金属在回到室温时会收缩多少。这一知识对于确保组件正确配合并按预期功能运作至关重要。在土木工程的背景下，“收缩比”在建筑物和桥梁的建造中发挥着重要作用。混凝土和钢铁等材料具有特定的“收缩比”，在设计阶段必须考虑这些比率。如果不考虑这些比率，结构可能会经历应力和变形，导致潜在的失败。例如，如果桥梁在炎热的天气中膨胀，但在较冷的天气中没有足够的收缩空间，它可能会扭曲或开裂。此外，“收缩比”在制造行业中也很相关，尤其是在注塑等工艺中。当塑料被注入模具中时，它会冷却并收缩。理解材料的“收缩比”可以确保最终产品保持预期尺寸，并与其他组件正确配合。制造商进行测试以确定不同材料的“收缩比”，以优化生产过程并减少浪费。除了工程和制造，“收缩比”在日常生活中也可以观察到。例如，在煮意大利面时，面条的“收缩比”随着吸水和膨胀而变化。一旦从热源中移除，它们开始冷却并收缩回较小的尺寸。这一原理不仅限于食物；它可以在橡胶、玻璃和纺织品等各种材料中找到。总之，“收缩比”是一个基本概念，影响着我们生活的许多方面，从我们居住的建筑到我们每天使用的产品。通过理解和应用这一比率，工程师、制造商甚至家庭厨师都可以做出明智的决策，从而获得更好的结果。随着技术的发展，“收缩比”的研究将继续演变，为我们提供更多关于材料在不同条件下行为的洞察。这一知识对于我们日益复杂的世界中的创新和安全至关重要。