elongation

简明释义

英[ˌiːlɒŋˈɡeɪʃn]美[ˌiːlɔːŋˈɡeɪʃn]

n. 伸长；伸长率；延伸率；延长

复 数 e l o n g a t i o n s

英英释义

单词用法

同义词

反义词

例句

1.To measure tensile strength and breaking elongation of single yard.

测定单根纱线的抗拉断裂强力和断裂伸长。

2.Breaking elongation increases with the increase in treatment temperature.

纱线断裂伸长随着处理温度的增加而增加。

3.You must be auxin, cause you are causing me to have rapid stem elongation.

你一定是生长素，因为你让我的茎迅速的延长。

4.It was found that calcium reduced elongation of cucumber hypocotyls.

有人发现，钙能抑制黄瓜胚轴的伸长。

5.This is followed, over time, by a permanent elongation of the eye.

时间一久，随之而来的是视力永久的伸长。

6.Has good abrasion resistance, elasticity, tensile strength and elongation.

具有很好的耐磨性、弹性、扯断强度及伸长率。

7.The elongation of the metal rod under heat demonstrates the effects of thermal expansion.

金属杆在加热下的延伸展示了热膨胀的影响。

8.The elongation of the fibers in the fabric contributes to its stretchability.

织物中纤维的延伸性使其具有可拉伸性。

9.In astronomy, the elongation of a planet refers to its angular distance from the Sun as seen from Earth.

在天文学中，行星的延伸指的是从地球看向太阳时的角距离。

10.The elongation of the rubber band was impressive when stretched to its limits.

当橡皮筋被拉伸到极限时，其延伸的程度令人印象深刻。

11.During the experiment, we measured the elongation of the material under different loads.

在实验过程中，我们测量了材料在不同载荷下的延伸情况。

作文

In the field of science and engineering, the term elongation refers to the process of stretching or lengthening an object. This concept is particularly important in materials science, where understanding the elongation properties of materials can determine their suitability for various applications. For instance, metals and polymers exhibit different elongation characteristics that affect how they behave under stress. When a material is subjected to tensile stress, it may undergo elongation, which is a critical factor in assessing its ductility and toughness. Ductility is the ability of a material to deform under tensile stress, and it is measured by the amount of elongation that occurs before fracture. A high degree of elongation indicates that a material can be stretched significantly without breaking, making it ideal for applications such as wiring and structural components. Conversely, materials with low elongation are more brittle and are likely to fail suddenly when subjected to stress. The elongation percentage is calculated by measuring the original length of a specimen and the length after it has been stretched. The formula used is: Elongation (%) = [(Final Length - Original Length) / Original Length] x 100%This measurement provides valuable insights into the material's performance and reliability in real-world applications. Engineers and designers often rely on this data to select appropriate materials for construction, manufacturing, and other industrial processes.In addition to its significance in materials science, elongation also plays a vital role in biological systems. For example, in the context of muscle physiology, elongation refers to the stretching of muscle fibers during contraction. This elongation is essential for movement and flexibility, allowing organisms to perform various physical activities. Understanding the mechanics of muscle elongation can lead to better training techniques and rehabilitation methods for athletes and individuals recovering from injuries.Moreover, the concept of elongation extends beyond physical sciences and biology. In linguistics, elongation can describe the extension of vowel sounds and syllables in speech. This phonetic phenomenon can influence the rhythm and melody of spoken language, adding emotional depth and emphasis to communication. To illustrate the importance of elongation, consider the impact of climate change on natural ecosystems. As temperatures rise, many species are forced to adapt to longer growing seasons. This adaptation often involves the elongation of plant structures, such as stems and roots, to maximize sunlight absorption and nutrient uptake. Understanding these changes helps ecologists predict shifts in biodiversity and ecosystem health.In conclusion, the term elongation encapsulates a wide range of phenomena across various disciplines. Whether in materials science, biology, linguistics, or environmental studies, elongation serves as a crucial concept that aids in understanding the behavior and adaptability of both man-made and natural systems. By studying elongation, we gain insights that can lead to innovations and improvements in technology, health, and environmental sustainability.

在科学和工程领域，术语elongation指的是拉伸或延长物体的过程。这个概念在材料科学中尤为重要，因为理解材料的elongation特性可以决定其适用于各种应用的适宜性。例如，金属和聚合物表现出不同的elongation特性，这影响它们在应力下的行为。当材料受到拉伸应力时，它可能会经历elongation，这是评估其延展性和韧性的关键因素。延展性是指材料在拉伸应力下变形的能力，通过断裂前发生的elongation量来衡量。高程度的elongation表明材料在断裂前可以被显著拉伸，使其非常适合用于电线和结构组件等应用。相反，低elongation的材料更脆弱，容易在应力作用下突然失效。elongation百分比的计算方法是测量样本的原始长度和拉伸后的长度。使用的公式为：延伸 (%) = [(最终长度 - 原始长度) / 原始长度] x 100%这个测量提供了关于材料性能和可靠性在现实世界应用中的宝贵见解。工程师和设计师通常依赖这些数据来选择适合建筑、制造和其他工业过程的材料。除了在材料科学中的重要性外，elongation在生物系统中也发挥着至关重要的作用。例如，在肌肉生理学的背景下，elongation指的是肌肉纤维在收缩过程中的拉伸。这种elongation对于运动和灵活性至关重要，使生物体能够执行各种身体活动。理解肌肉elongation的机制可以导致更好的训练技巧和运动员及恢复伤害个体的康复方法。此外，elongation的概念超越了物理科学和生物学。在语言学中，elongation可以描述言语中元音音节的延长。这种语音现象可以影响口语的节奏和旋律，为交流增添情感深度和强调。为了说明elongation的重要性，考虑气候变化对自然生态系统的影响。随着温度上升，许多物种被迫适应更长的生长季节。这种适应通常涉及植物结构的elongation，如茎和根，以最大化阳光吸收和营养摄取。理解这些变化有助于生态学家预测生物多样性和生态系统健康的变化。总之，术语elongation涵盖了各个学科中的广泛现象。无论是在材料科学、生物学、语言学还是环境研究中，elongation都是一个至关重要的概念，有助于理解人造系统和自然系统的行为和适应性。通过研究elongation，我们获得的见解可以导致技术、健康和环境可持续性的创新和改善。