surface tension

简明释义

表面张力

英英释义

Surface tension is the property of a liquid's surface that allows it to resist external force, due to the cohesive nature of its molecules.

表面张力是液体表面的一种特性,使其能够抵抗外部力量,源于分子之间的内聚性质。

例句

1.In biology, surface tension 表面张力 plays a crucial role in the formation of cell membranes.

在生物学中,表面张力在细胞膜的形成中起着至关重要的作用。

2.The small insect was able to walk on water due to the surface tension 表面张力 of the water.

小昆虫能够在水面上行走是因为水的表面张力

3.A needle can float on the surface of water because of surface tension 表面张力.

一根针可以漂浮在水面上,这是由于表面张力

4.The surface tension 表面张力 of mercury is much higher than that of water.

汞的表面张力远高于水的。

5.When you add soap to water, it decreases the surface tension 表面张力, allowing bubbles to form.

当你往水中添加肥皂时,它会降低表面张力,使泡沫形成。

作文

Surface tension is a fascinating physical phenomenon that plays a crucial role in our everyday lives, though we may not always be aware of it. It is defined as the elastic tendency of a fluid surface that makes it acquire the least surface area possible. This property is primarily due to the cohesive forces between liquid molecules. For instance, when you look at a water droplet on a leaf, you can see that it forms a rounded shape instead of spreading out flat. This is a direct result of surface tension (表面张力), which allows the droplet to maintain its shape rather than flattening out. The concept of surface tension (表面张力) can be observed in various natural phenomena. One striking example is how small insects, like water striders, can walk on the surface of water without sinking. Their legs are adapted to distribute their weight over a larger area, which helps them take advantage of the surface tension (表面张力) of the water. If it weren’t for this property, these insects would not be able to survive in their aquatic habitats. In addition to its role in nature, surface tension (表面张力) has significant implications in science and technology. For instance, in the field of medicine, understanding surface tension (表面张力) is essential for developing effective drug delivery systems. Many medications need to be encapsulated in a way that allows them to dissolve properly in the body. The behavior of liquids at the microscopic level, influenced by surface tension (表面张力), determines how well these drugs can be absorbed. Moreover, in the world of materials science, surface tension (表面张力) plays a vital role in processes such as painting and coating. When paint is applied to a surface, the surface tension (表面张力) of the paint influences how it spreads and adheres to the object being painted. A good understanding of this property allows manufacturers to create paints that flow smoothly and adhere well, ensuring a high-quality finish. Furthermore, surface tension (表面张力) is also a critical factor in the formulation of detergents and surfactants. These substances work by reducing surface tension (表面张力), allowing water to spread and penetrate more effectively. This is why adding soap to water improves its ability to clean surfaces; the soap molecules disrupt the cohesive forces between water molecules, making it easier for the water to interact with dirt and grease. In conclusion, surface tension (表面张力) is not just a scientific term but a fundamental principle that affects many aspects of our lives. From the tiny droplets of water we see on leaves to the complex interactions in medical applications and industrial processes, surface tension (表面张力) is a vital property that influences both the natural world and human innovation. By continuing to study and understand this phenomenon, we can unlock new technologies and improve existing ones, leading to advancements that benefit society as a whole.

表面张力是一个引人入胜的物理现象,在我们的日常生活中发挥着至关重要的作用,尽管我们可能并不总是意识到它。它被定义为液体表面的弹性倾向,使其获得最小的表面积。这一特性主要源于液体分子之间的内聚力。例如,当你看到水滴在叶子上时,你会发现它形成了一个圆形,而不是平坦地扩散开来。这直接是由于表面张力surface tension)的结果,它使水滴保持其形状,而不是扁平化。表面张力surface tension)的概念可以在各种自然现象中观察到。一个显著的例子是小昆虫,如水黾,能够在水面上行走而不沉没。它们的腿适应了将体重分布在更大面积上,这帮助它们利用水的表面张力surface tension)。如果没有这个特性,这些昆虫将无法在它们的水生栖息地中生存。除了在自然界中的作用外,表面张力surface tension)在科学和技术中也具有重要意义。例如,在医学领域,理解表面张力surface tension)对开发有效的药物递送系统至关重要。许多药物需要以一种能够在体内正确溶解的方式进行包封。在微观层面上,液体的行为受到表面张力surface tension)的影响,这决定了这些药物的吸收效果。此外,在材料科学领域,表面张力surface tension)在涂料和涂层等工艺中发挥着重要作用。当涂料涂抹在表面上时,涂料的表面张力surface tension)影响其扩散和附着在被涂物体上的方式。对这一特性的良好理解使制造商能够创造出流动顺畅、附着良好的涂料,从而确保高质量的涂层效果。此外,表面张力surface tension)也是清洁剂和表面活性剂配方中的关键因素。这些物质通过降低表面张力surface tension),使水更有效地扩散和渗透。这就是为什么在水中添加肥皂可以改善其清洁表面的能力;肥皂分子破坏了水分子之间的内聚力,使水更容易与污垢和油脂相互作用。总之,表面张力surface tension)不仅仅是一个科学术语,而是一个基本原理,影响着我们生活的许多方面。从我们在叶子上看到的小水滴到医学应用和工业过程中的复杂相互作用,表面张力surface tension)是一个重要的特性,影响着自然界和人类创新。通过继续研究和理解这一现象,我们可以解锁新技术并改善现有技术,从而推动造福整个社会的进步。

相关单词

tension

tension详解:怎么读、什么意思、用法