capillary action

简明释义

毛细管酌

英英释义

例句

1.Plants rely on capillary action to draw water from their roots to their leaves.

植物依靠毛细现象将水从根部吸引到叶子。

2.In a thin glass tube, water rises due to capillary action.

在细玻璃管中，水因毛细现象上升。

3.The capillary action of ink allows it to flow smoothly in a fountain pen.

墨水的毛细现象使其在钢笔中流动顺畅。

4.A paper towel absorbs spilled liquid quickly because of capillary action.

纸巾因毛细现象迅速吸收溢出的液体。

5.The movement of water through soil is largely due to capillary action.

水在土壤中的移动主要是由于毛细现象。

作文

Capillary action is a fascinating phenomenon that occurs when liquid rises or falls in a narrow space without the assistance of external forces. This natural occurrence is primarily driven by two key forces: cohesion and adhesion. Cohesion refers to the attraction between molecules of the same substance, while adhesion refers to the attraction between molecules of different substances. In the context of water, the strong cohesive forces between water molecules allow them to stick together, while the adhesive forces between water molecules and the walls of a narrow tube or porous material enable the liquid to climb up against gravity. One of the most common examples of capillary action (毛细作用) can be observed in plants. When a plant absorbs water from the soil, it travels through tiny tubes called xylem. The capillary action (毛细作用) within these tubes allows water to move upward from the roots to the leaves, providing essential hydration and nutrients for the plant's growth. This process is crucial for the survival of many plant species, particularly those that grow in dry or arid environments where water may be scarce. Without capillary action (毛细作用), plants would struggle to transport water efficiently, leading to wilting and eventual death.Another interesting application of capillary action (毛细作用) can be seen in everyday life, such as when a paper towel absorbs spilled liquid. The fibers in the paper towel create small spaces that allow the liquid to be drawn upwards through capillary action (毛细作用). This property is not only useful for cleaning spills but also plays a significant role in various scientific experiments and applications, including chromatography, where substances are separated based on their differing affinities for a stationary phase and a mobile phase.Moreover, capillary action (毛细作用) has implications in engineering and technology. For instance, in the design of inkjet printers, the ink must be able to flow smoothly through narrow channels to ensure precise printing. Engineers take advantage of capillary action (毛细作用) to optimize the ink flow, which ultimately leads to better print quality and efficiency. Similarly, in the field of microfluidics, researchers utilize capillary action (毛细作用) to manipulate small volumes of fluids for various applications, including medical diagnostics and chemical analysis.In conclusion, capillary action (毛细作用) is an essential phenomenon that impacts both natural processes and technological advancements. Its ability to allow liquids to move through narrow spaces without external forces is crucial for the survival of plants and has numerous practical applications in our daily lives. Understanding capillary action (毛细作用) not only deepens our appreciation for the natural world but also inspires innovative solutions in science and engineering. As we continue to explore the intricacies of this remarkable phenomenon, we open doors to new possibilities and advancements that can benefit society as a whole.

毛细作用是一种迷人的现象，当液体在狭窄的空间中升高或下降时，无需外部力量的帮助。这种自然现象主要由两个关键力量驱动：内聚力和附着力。内聚力是指同一物质分子之间的吸引力，而附着力是指不同物质分子之间的吸引力。在水的情况下，水分子之间强大的内聚力使它们能够粘在一起，而水分子与狭窄管道或多孔材料壁之间的附着力使液体能够逆重力向上爬升。一个最常见的毛细作用（capillary action）例子可以在植物中观察到。当植物从土壤中吸收水分时，它通过称为木质部的微小管道移动。木质部中的毛细作用（capillary action）使水能够从根部向上移动到叶子，为植物的生长提供必需的水分和养分。这个过程对许多植物物种的生存至关重要，尤其是那些生长在干旱或干燥环境中、水源可能稀缺的植物。如果没有毛细作用（capillary action），植物将很难有效地运输水分，从而导致枯萎和最终死亡。另一个有趣的毛细作用（capillary action）应用可以在日常生活中看到，例如当纸巾吸收洒出的液体时。纸巾中的纤维会创建小空间，允许液体通过毛细作用（capillary action）向上被吸引。这一特性不仅对于清理溢出物有用，而且在各种科学实验和应用中也发挥着重要作用，包括色谱法，在色谱法中，物质根据其对固定相和流动相的不同亲和力被分离。此外，毛细作用（capillary action）在工程和技术中也有影响。例如，在喷墨打印机的设计中，墨水必须能够顺畅地流过狭窄的通道，以确保精确的打印。工程师利用毛细作用（capillary action）来优化墨水流动，这最终导致更好的打印质量和效率。同样，在微流体学领域，研究人员利用毛细作用（capillary action）来操控小体积的液体，用于各种应用，包括医学诊断和化学分析。总之，毛细作用（capillary action）是一种影响自然过程和技术进步的重要现象。它让液体能够在狭窄空间中无外部力量的情况下移动，对植物的生存至关重要，并在我们日常生活中有许多实际应用。理解毛细作用（capillary action）不仅加深了我们对自然世界的欣赏，也激发了科学和工程领域的创新解决方案。随着我们继续探索这一显著现象的复杂性，我们为新的可能性和进步打开了大门，这些进步可以惠及整个社会。