cohesive force

简明释义

内聚力

英英释义

例句

1.The cohesive force in the liquid helps it maintain its shape when poured into a container.

液体中的内聚力帮助它在倒入容器时保持形状。

2.The cohesive force between the particles in a solid gives it strength and stability.

固体中粒子之间的内聚力赋予其强度和稳定性。

3.The water molecules exhibit a strong cohesive force which keeps them together, allowing for surface tension.

水分子表现出强大的内聚力，这使它们保持在一起，从而形成表面张力。

4.In the context of team dynamics, a cohesive force among members can lead to improved collaboration.

在团队动态中，成员之间的内聚力可以促进更好的合作。

5.A good leader creates a cohesive force that binds the team together towards a common goal.

一个好的领导者创造出一种内聚力，将团队紧密团结在共同目标上。

作文

In the study of physics and chemistry, the term cohesive force refers to the intermolecular forces that hold similar molecules together. This concept is crucial in understanding various phenomena in nature and everyday life. For instance, when you observe water droplets forming on a surface, it is the cohesive force between water molecules that allows them to stick together, creating a droplet rather than spreading out flat. This property of water is vital for many biological processes, including the transportation of nutrients and waste in living organisms.The cohesive force also plays a significant role in the behavior of liquids. When a substance has strong cohesive forces, it tends to have a higher surface tension. Surface tension is the elastic tendency of a fluid surface that makes it acquire the least surface area possible. This phenomenon can be observed when small insects, like water striders, walk on the surface of a pond without sinking. Their ability to do so is attributed to the strong cohesive forces present in water, which creates a 'skin' on the surface.Moreover, the cohesive force is not limited to liquids; it also has implications in solid materials. In solids, cohesive forces contribute to the structural integrity of materials. For example, in metals, the metallic bonds create a strong cohesive force that allows them to maintain their shape and resist deformation under stress. This property is essential in construction and manufacturing, where the strength of materials is paramount.Understanding cohesive forces is also important in the field of biology. The structure of DNA, for instance, relies on cohesive forces to maintain its double-helix shape. The hydrogen bonds between the nitrogenous bases of the DNA strands are a type of cohesive force that holds the strands together, allowing for the proper functioning of genetic information. Without these forces, the integrity of the genetic code would be compromised, leading to potential errors in replication and expression.In addition to its scientific implications, the idea of cohesive force can be metaphorically applied to social dynamics. Just as cohesive forces bind molecules together, similar forces can be observed in human relationships and communities. For example, shared values and common goals can create a strong cohesive force within a group, fostering collaboration and unity. This is evident in successful teams, where members work together harmoniously towards a common objective, driven by their mutual support and understanding.In conclusion, the concept of cohesive force extends beyond the realms of physics and chemistry. It serves as a fundamental principle that explains various natural phenomena, from the behavior of liquids and solids to the intricate structures of biological molecules. Furthermore, it provides a valuable lens through which we can examine human interactions and community building. By appreciating the significance of cohesive forces in both scientific and social contexts, we can gain a deeper understanding of the world around us and the connections that bind us together.

在物理和化学研究中，术语凝聚力指的是将相似分子结合在一起的分子间力。这个概念在理解自然界和日常生活中的各种现象时至关重要。例如，当你观察水滴在表面上形成时，正是水分子之间的凝聚力使它们粘在一起，形成水滴而不是平坦地扩散。这种水的特性对许多生物过程至关重要，包括在生物体内运输营养和废物。凝聚力在液体行为中也起着重要作用。当一种物质具有强大的凝聚力时，它往往具有较高的表面张力。表面张力是流体表面的弹性倾向，使其尽可能获得最小的表面积。这种现象可以在小昆虫（如水黾）在池塘表面行走而不下沉时观察到。他们能够做到这一点归因于水中强大的凝聚力，这在表面上形成了一层“皮肤”。此外，凝聚力不仅限于液体；它在固体材料中也有影响。在固体中，凝聚力有助于材料的结构完整性。例如，在金属中，金属键产生了强大的凝聚力，使其能够保持形状并抵抗变形。这一特性在建筑和制造中至关重要，因为材料的强度是至关重要的。理解凝聚力在生物学领域也很重要。例如，DNA的结构依赖于凝聚力来维持其双螺旋形状。DNA链之间的氢键是一种凝聚力，将链条连接在一起，从而允许遗传信息的正常功能。如果没有这些力量，遗传代码的完整性将受到损害，导致复制和表达中的潜在错误。除了科学意义外，凝聚力的概念还可以比喻性地应用于社会动态。正如凝聚力将分子结合在一起，类似的力量也可以在人际关系和社区中观察到。例如，共同的价值观和共同的目标可以在一个群体中创造强大的凝聚力，促进合作与团结。这在成功的团队中表现得尤为明显，团队成员朝着共同的目标和谐地合作，受到彼此支持和理解的驱动。总之，凝聚力的概念超越了物理和化学的范畴。它作为一个基本原则，解释了从液体和固体的行为到生物分子复杂结构的各种自然现象。此外，它提供了一个有价值的视角，通过这个视角我们可以审视人类互动和社区建设。通过欣赏凝聚力在科学和社会背景中的重要性，我们可以更深入地理解我们周围的世界以及将我们联系在一起的纽带。