cohesive force
简明释义
内聚力
英英释义
例句
1.The cohesive force between the fibers in this fabric gives it strength and durability.
这种面料中纤维之间的内聚力赋予了它强度和耐用性。
2.When making a cake, the cohesive force between the ingredients helps the mixture hold together.
在制作蛋糕时,成分之间的内聚力帮助混合物保持在一起。
3.In biology, the cohesive force of cell membranes is crucial for maintaining the structure of cells.
在生物学中,细胞膜的内聚力对于维持细胞结构至关重要。
4.The cohesive force in ice causes it to float on water rather than sink.
冰中的内聚力使其漂浮在水面上,而不是下沉。
5.Water molecules exhibit a strong cohesive force that keeps them together, which is why water forms droplets.
水分子表现出强大的内聚力,这使得它们保持在一起,因此水形成水滴。
作文
In the realm of science, particularly in physics and chemistry, the term cohesive force refers to the attractive forces between molecules of the same substance. This phenomenon is crucial for understanding how liquids behave, as it contributes to various properties such as surface tension and viscosity. For instance, when you observe water forming droplets on a surface, it is the cohesive force that pulls the water molecules together, allowing them to maintain a rounded shape rather than spreading out flat. The significance of cohesive force extends beyond mere physical observations; it has profound implications in nature and everyday life. In biology, for example, the cohesive force between water molecules plays a vital role in the process of transpiration in plants. As water evaporates from the leaves, the cohesive force helps to pull more water upward from the roots through the plant's xylem, demonstrating a remarkable cycle of movement that sustains life. Moreover, understanding cohesive force can enhance our comprehension of various natural phenomena. The formation of clouds in the atmosphere is another example where cohesive force is at play. Water vapor condenses into tiny droplets, and it is the cohesive force that allows these droplets to coalesce, eventually leading to the formation of rain. Without this force, the water vapor would remain dispersed, and precipitation would not occur, drastically affecting ecosystems and weather patterns. In the field of materials science, the concept of cohesive force is equally important. Engineers and scientists study these forces to develop new materials with desirable properties. For instance, adhesives rely heavily on cohesive force to bond two surfaces together. The stronger the cohesive force, the more effective the adhesive will be. This principle is applied in various industries, from construction to electronics, where strong bonds are essential for durability and performance. On a more abstract level, the idea of cohesive force can also be metaphorically applied to social sciences. Just as molecules are held together by cohesive force, communities are often bound by shared values, beliefs, and goals. This social cohesive force fosters unity and cooperation among individuals, creating a sense of belonging and collective identity. In times of crisis, this social cohesive force can be crucial for mobilizing support and resources, illustrating how interconnectedness plays a vital role in human society. In conclusion, the concept of cohesive force is not only fundamental in scientific contexts but also resonates in various aspects of life. Whether it is in the behavior of liquids, the functioning of biological systems, the development of materials, or the dynamics of social interactions, cohesive force serves as a key element that binds entities together. Recognizing the importance of cohesive force in both the natural and social worlds enhances our understanding of the complexities around us and underscores the intricate connections that sustain life and society.
在科学领域,尤其是物理和化学中,术语凝聚力指的是同一物质分子之间的吸引力。这一现象对于理解液体的行为至关重要,因为它有助于各种性质,如表面张力和粘度。例如,当你观察水在表面上形成水滴时,正是凝聚力将水分子拉在一起,使它们保持圆形,而不是平坦地扩散开来。凝聚力的重要性不仅仅局限于物理观察;它在自然和日常生活中具有深远的影响。例如,在生物学中,水分子之间的凝聚力在植物的蒸腾作用过程中发挥着重要作用。当水从叶子中蒸发时,凝聚力帮助将更多的水从根部向上抽取,通过植物的木质部,展示了维持生命的奇妙循环。此外,理解凝聚力可以增强我们对各种自然现象的理解。大气中云的形成是另一个例子,其中凝聚力起着作用。水蒸气凝结成微小的水滴,正是凝聚力使这些水滴合并,最终导致降雨的形成。如果没有这种力量,水蒸气将保持分散状态,降水将无法发生,极大地影响生态系统和天气模式。在材料科学领域,凝聚力的概念同样重要。工程师和科学家研究这些力量以开发具有理想属性的新材料。例如,粘合剂在很大程度上依赖于凝聚力将两个表面粘合在一起。凝聚力越强,粘合剂的效果就越好。这个原理被应用于各个行业,从建筑到电子产品,在这些行业中,强大的结合对于耐用性和性能至关重要。在更抽象的层面上,凝聚力的概念也可以隐喻地应用于社会科学。正如分子通过凝聚力相互联系,社区往往也由共同的价值观、信仰和目标所绑定。这种社会凝聚力促进了个体之间的团结与合作,创造了归属感和集体认同。在危机时期,这种社会凝聚力对动员支持和资源至关重要,说明了相互联系在社会中的重要作用。总之,凝聚力的概念不仅在科学背景下是基础,而且在生活的各个方面都有共鸣。无论是在液体的行为、生物系统的功能、材料的发展,还是社会互动的动态中,凝聚力都是将实体结合在一起的关键元素。认识到凝聚力在自然和社会世界中的重要性,增强了我们对周围复杂性的理解,并强调了维持生命和社会的错综复杂的联系。
相关单词