contraction ratio

简明释义

收缩比

英英释义

例句

1.In textile manufacturing, a high contraction ratio can lead to significant shrinkage after washing.

在纺织制造中，高收缩比可能导致洗涤后显著缩水。

2.The architect used the contraction ratio to calculate the final dimensions of the concrete structure.

建筑师使用收缩比计算混凝土结构的最终尺寸。

3.The engineer calculated the contraction ratio to ensure the material would fit into the design specifications.

工程师计算了收缩比以确保材料符合设计规格。

4.The contraction ratio of the polymer was tested under various temperatures to determine its stability.

聚合物的收缩比在不同温度下进行了测试，以确定其稳定性。

5.Understanding the contraction ratio is crucial for predicting how materials will behave in different environments.

理解收缩比对于预测材料在不同环境中的表现至关重要。

作文

Understanding the concept of contraction ratio is essential in various fields, particularly in engineering and materials science. The term refers to the ratio of the change in length of a material when it undergoes a phase change or thermal contraction to its original length. This property is crucial because it helps engineers predict how materials will behave under different temperature conditions, which can significantly impact the design and safety of structures. In engineering, the contraction ratio plays a vital role in the analysis of stress and strain in materials. For instance, when metals are heated, they expand, and upon cooling, they contract. Understanding the contraction ratio allows engineers to calculate how much a metal will shrink when it cools down after being welded or cast. If this contraction is not taken into account, it could lead to structural failures or unexpected deformations. Additionally, the contraction ratio is relevant in the manufacturing process. For example, when creating molds for casting, manufacturers must consider how much the material will contract as it cools. If the mold is not designed with the correct contraction ratio, the final product may not fit together properly, leading to defects or the need for costly rework. Therefore, understanding and accurately calculating the contraction ratio is crucial for ensuring high-quality production. In the context of textiles, the contraction ratio also has significant implications. Fabrics often shrink after washing, and this contraction ratio can vary widely between different materials. For instance, cotton tends to shrink more than synthetic fabrics. Understanding the contraction ratio helps manufacturers inform consumers about how to care for their garments to minimize unwanted shrinkage. Moreover, the contraction ratio can have environmental implications as well. In construction, using materials with a high contraction ratio in regions that experience significant temperature fluctuations can lead to increased maintenance costs and potential hazards. By selecting materials with appropriate contraction ratios, builders can enhance the longevity and safety of their structures. In conclusion, the contraction ratio is a multifaceted concept that impacts various industries, from engineering to textiles. By understanding how materials behave under temperature changes, professionals can make informed decisions that enhance product quality, safety, and sustainability. Whether in designing a bridge, manufacturing a garment, or constructing a building, the contraction ratio is a critical factor that cannot be overlooked. As technology advances and new materials are developed, the importance of accurately assessing the contraction ratio will only continue to grow, underscoring the need for ongoing education and research in this area.

理解收缩比的概念在多个领域中至关重要，尤其是在工程和材料科学中。该术语指的是材料在经历相变或热收缩时长度变化与其原始长度之间的比率。这个特性非常重要，因为它帮助工程师预测材料在不同温度条件下的行为，这可能会对结构的设计和安全产生重大影响。在工程中，收缩比在材料的应力和应变分析中发挥着重要作用。例如，当金属被加热时，它们会膨胀，而在冷却时则会收缩。了解收缩比使工程师能够计算金属在焊接或铸造后冷却时将收缩多少。如果不考虑这种收缩，可能会导致结构故障或意外变形。此外，收缩比在制造过程中也具有重要意义。例如，在制作铸造模具时，制造商必须考虑材料在冷却时将收缩多少。如果模具没有根据正确的收缩比设计，最终产品可能无法正确组装，导致缺陷或需要昂贵的返工。因此，理解和准确计算收缩比对于确保高质量生产至关重要。在纺织品的背景下，收缩比也有显著的影响。面料在洗涤后往往会收缩，这种收缩比在不同材料之间差异很大。例如，棉花往往比合成面料收缩得更多。了解收缩比可以帮助制造商告知消费者如何保养他们的衣物，以最大限度地减少不必要的收缩。此外，收缩比还可能具有环境影响。在建筑中，在经历显著温度波动的地区使用具有高收缩比的材料可能会导致增加维护成本和潜在危险。通过选择具有适当收缩比的材料，建筑商可以增强其结构的耐久性和安全性。总之，收缩比是一个多方面的概念，影响着各个行业，从工程到纺织品。通过理解材料在温度变化下的行为，专业人士可以做出明智的决策，从而提高产品质量、安全性和可持续性。无论是在设计桥梁、制造服装还是建造建筑物时，收缩比都是一个不能被忽视的关键因素。随着技术的进步和新材料的发展，准确评估收缩比的重要性只会继续增长，这强调了在这一领域进行持续教育和研究的必要性。