molecular force

简明释义

分子力

英英释义

例句

1.The strength of the liquid is determined by the molecular force (分子力) between its particles.

液体的强度由其粒子之间的分子力决定。

2.When water freezes, the molecular force (分子力) between molecules increases.

当水结冰时，分子之间的分子力增加。

3.The molecular force (分子力) is crucial for the formation of solid structures.

对于固体结构的形成，分子力至关重要。

4.The molecular force (分子力) affects the boiling point of a liquid.

影响液体沸点的是分子力。

5.In chemistry, understanding molecular force (分子力) helps predict the behavior of substances.

在化学中，理解分子力有助于预测物质的行为。

作文

Molecular forces play a crucial role in the behavior of matter at the microscopic level. These forces are the interactions that occur between molecules, and they significantly influence the physical and chemical properties of substances. Understanding 分子力 is essential for various scientific fields, including chemistry, biology, and materials science. At the core of 分子力 are several types of interactions: van der Waals forces, hydrogen bonds, ionic bonds, and covalent bonds. Each type of force has its unique characteristics and implications for how molecules interact with one another. For instance, van der Waals forces are relatively weak attractions that occur between all molecules, while hydrogen bonds, which are a stronger form of attraction, occur specifically between molecules that have hydrogen atoms bonded to highly electronegative atoms like oxygen or nitrogen. The strength of 分子力 can determine the state of matter. For example, in solids, the molecules are held tightly together by strong intermolecular forces, resulting in a definite shape and volume. In liquids, the molecules are still close but can move past one another due to weaker forces, allowing liquids to take the shape of their container. In gases, the intermolecular forces are minimal, leading to molecules that are widely spaced and moving freely. This variation in molecular forces explains why water can exist in three different states—solid (ice), liquid (water), and gas (steam)—under standard conditions. Furthermore, 分子力 is vital in biological systems. For example, the structure of DNA is stabilized by hydrogen bonds between the nitrogenous bases. These bonds allow the double helix structure to maintain its integrity while also enabling the strands to separate during processes like replication. Additionally, the properties of proteins, such as their folding and function, are largely influenced by the presence of various molecular forces. Understanding these interactions helps scientists develop drugs and therapies that can target specific biological pathways. In materials science, the understanding of 分子力 is instrumental in designing new materials with desired properties. For instance, engineers can manipulate the molecular forces in polymers to create materials that are flexible yet strong, or to develop composites that can withstand extreme temperatures. The ability to control these forces at the molecular level opens up possibilities for innovations in everything from electronics to construction materials. In conclusion, 分子力 is a fundamental concept that underpins many aspects of science and technology. By studying these forces, we gain insight into the nature of matter and the interactions that govern the universe. Whether in the realm of chemistry, biology, or engineering, understanding 分子力 allows us to harness the power of molecules to create new solutions and advance our knowledge of the world around us.

分子力在微观层面上对物质的行为起着至关重要的作用。这些力是分子之间发生的相互作用，它们显著影响物质的物理和化学性质。理解分子力对于化学、生物学和材料科学等多个科学领域至关重要。在分子力的核心有几种类型的相互作用：范德华力、氢键、离子键和共价键。每种类型的力都有其独特的特征和对分子相互作用的影响。例如，范德华力是所有分子之间发生的相对较弱的吸引力，而氢键是一种更强的吸引力，特定发生在氢原子与氧或氮等高度电负性原子结合的分子之间。分子力的强度可以决定物质的状态。例如，在固体中，分子被强烈的分子间力紧密地结合在一起，从而形成确定的形状和体积。在液体中，分子仍然靠近，但由于力较弱，可以相互移动，使液体能够占据容器的形状。在气体中，分子间的力最小，导致分子之间的距离很大且自由移动。这种分子力的变化解释了水在标准条件下可以以三种不同的状态存在——固体（冰）、液体（水）和气体（蒸汽）。此外，分子力在生物系统中至关重要。例如，DNA的结构由氢键稳定，这些氢键发生在氮碱基之间。这些键使双螺旋结构保持完整，同时也允许在复制等过程中链条分开。此外，蛋白质的性质，如折叠和功能，主要受到各种分子力的影响。理解这些相互作用帮助科学家开发针对特定生物途径的药物和疗法。在材料科学中，理解分子力在设计具有所需属性的新材料方面至关重要。例如，工程师可以操纵聚合物中的分子力，以创造既灵活又坚固的材料，或开发能够承受极端温度的复合材料。在分子水平上控制这些力的能力为从电子产品到建筑材料的创新开辟了可能性。总之，分子力是一个基础概念，支撑着科学和技术的许多方面。通过研究这些力，我们获得了对物质本质及支配宇宙的相互作用的深入了解。无论是在化学、生物学还是工程学领域，理解分子力使我们能够利用分子的力量创造新的解决方案，推进我们对周围世界的认识。