capillary tube

简明释义

毛细管

英英释义

例句

1.In the experiment, the capillary tube allowed the dye to travel upwards against gravity.

在实验中，毛细管使染料能够逆重力向上移动。

2.The capillary tube was filled with mercury for the barometer experiment.

在气压计实验中，毛细管被填充了水银。

3.The scientists used a capillary tube to measure the liquid's viscosity.

科学家们使用了一个毛细管来测量液体的粘度。

4.Using a capillary tube helps to demonstrate capillary action in plants.

使用毛细管有助于展示植物中的毛细作用。

5.A capillary tube is essential for accurate blood sample collection in medical laboratories.

在医学实验室中，毛细管对于准确收集血样是必不可少的。

作文

The study of fluid dynamics has always fascinated scientists and engineers alike. One of the most intriguing components of this field is the behavior of liquids in narrow spaces, particularly in a structure known as a capillary tube. A capillary tube is a very thin tube, often made of glass or plastic, which allows for the observation of capillary action—the ability of a liquid to flow in narrow spaces without the assistance of external forces. This phenomenon is critical in various natural and artificial processes, such as the movement of water in plants and the functioning of certain medical devices.In nature, the capillary tube concept can be observed vividly through the way trees transport water from their roots to their leaves. The tiny vessels within the tree, known as xylem, act similarly to capillary tubes, allowing water to rise against gravity due to cohesion and adhesion forces. This process is vital for the survival of plants and plays a significant role in the ecosystem. Without the effective functioning of these natural capillary tubes, trees would struggle to maintain their hydration, leading to wilting and eventual death.In the laboratory, capillary tubes are often used in experiments to measure the viscosity of liquids. By observing how far a liquid travels up the tube over time, scientists can derive important information about its properties. Additionally, capillary tubes have applications in various fields, including medicine, where they can be utilized for blood sampling. The small diameter of the capillary tube allows for the collection of minute quantities of blood, making it a crucial tool for diagnostics.Moreover, the principles of capillary tubes extend beyond simple liquid movement. In the realm of engineering, they play a role in the design of heat exchangers and cooling systems. For instance, in some refrigeration systems, capillary tubes help regulate the flow of refrigerant, ensuring efficient heat transfer. This application highlights the importance of understanding fluid dynamics not just in theory, but also in practical, real-world scenarios.Understanding the function and significance of capillary tubes opens doors to numerous innovations. Researchers are continuously exploring new materials and designs that enhance the performance of capillary tubes in various applications. For example, advancements in nanotechnology have led to the development of ultra-thin capillary tubes that can manipulate fluids at the microscopic level, paving the way for breakthroughs in drug delivery systems and microfluidics.In conclusion, the capillary tube serves as a fundamental element in both natural and engineered systems. From the essential role it plays in plant life to its usefulness in scientific research and medical applications, understanding capillary tubes allows us to appreciate the intricate balance of forces that govern fluid dynamics. As we continue to explore and innovate, the potential of capillary tubes will undoubtedly lead to exciting developments across various fields, enhancing our understanding of the world around us and improving technology for future generations.

流体动力学的研究一直吸引着科学家和工程师。这个领域中最令人着迷的组成部分之一是液体在狭窄空间中的行为，特别是在一种称为毛细管的结构中。毛细管是一种非常细的管子，通常由玻璃或塑料制成，它允许观察毛细作用——液体在没有外部力量帮助的情况下在狭窄空间中流动的能力。这种现象在各种自然和人工过程中至关重要，例如植物中水的运动以及某些医疗设备的功能。在自然界中，毛细管的概念通过树木如何将水从根部运输到叶子中生动地体现出来。树木内部的微小通道，称为木质部，类似于毛细管，使水能够因内聚力和附着力而逆重力上升。这个过程对植物的生存至关重要，并在生态系统中发挥着重要作用。如果这些自然毛细管的有效功能受到影响，树木将难以维持水分，导致枯萎甚至死亡。在实验室中，毛细管常用于测量液体的粘度。通过观察液体在管中上升的距离，科学家可以获得关于其属性的重要信息。此外，毛细管在医学等多个领域也有应用，可以用于血液采样。毛细管的小直径允许收集微量血液，使其成为诊断的重要工具。此外，毛细管的原理不仅限于简单的液体运动。在工程领域，它们在热交换器和冷却系统的设计中发挥着作用。例如，在某些制冷系统中，毛细管帮助调节制冷剂的流动，确保有效的热传递。这一应用突显了理解流体动力学的重要性，不仅在理论上，而且在实际的现实场景中。理解毛细管的功能和重要性为无数创新打开了大门。研究人员不断探索新的材料和设计，以增强毛细管在各种应用中的性能。例如，纳米技术的进步导致开发出超薄毛细管，能够在微观水平上操纵液体，为药物输送系统和微流体技术的突破铺平了道路。总之，毛细管作为自然和工程系统中的基本元素。从它在植物生命中所扮演的不可或缺的角色，到它在科学研究和医疗应用中的实用性，理解毛细管使我们能够欣赏支配流体动力学的复杂力量平衡。当我们继续探索和创新时，毛细管的潜力无疑将导致各个领域的激动人心的发展，增强我们对周围世界的理解，并改善未来几代人的技术。