apparent contact angle

简明释义

1. 近似接触角; 2. 视接触角;

英英释义

例句

1.In our experiment, we measured the apparent contact angle to evaluate the surface energy of the material.

在我们的实验中，我们测量了表观接触角以评估材料的表面能量。

2.A lower apparent contact angle suggests better wetting of the surface by the liquid.

较低的表观接触角表明液体对表面的润湿性更好。

3.The apparent contact angle of the water droplet on the leaf indicates its hydrophobicity.

水滴在叶子上的表观接触角表明其疏水性。

4.To optimize coating performance, we need to analyze the apparent contact angle after applying the treatment.

为了优化涂层性能，我们需要在施加处理后分析表观接触角。

5.The apparent contact angle can change with surface roughness, affecting liquid behavior.

随着表面粗糙度的变化，表观接触角可能会改变，从而影响液体行为。

作文

The concept of the apparent contact angle is crucial in understanding the behavior of liquids on solid surfaces. This angle is defined as the angle formed at the three-phase boundary where a liquid, solid, and gas meet. It plays a significant role in various fields, including materials science, biology, and engineering. The apparent contact angle can provide insights into the wettability of a surface, which is essential for applications such as coating technologies, adhesive bonding, and even biological interactions. When a droplet of liquid is placed on a solid surface, the way the droplet shapes itself can reveal a lot about the interaction between the liquid and the surface. If the apparent contact angle is low, it indicates that the liquid spreads easily across the surface, suggesting good wettability. Conversely, a high apparent contact angle implies that the liquid does not spread well, indicating poor wettability. This phenomenon can be attributed to several factors, including surface roughness, chemical composition, and the presence of contaminants. In practical terms, measuring the apparent contact angle can help researchers and engineers design better materials. For instance, in the field of coatings, a low apparent contact angle is often desirable because it ensures that the coating adheres well to the substrate. On the other hand, in applications like self-cleaning surfaces, a high apparent contact angle is preferred, as it allows water droplets to roll off and carry dirt with them, keeping the surface clean. Moreover, the apparent contact angle is influenced by temperature and environmental conditions. For example, increasing the temperature can lead to a decrease in the apparent contact angle due to the enhanced mobility of the liquid molecules, which allows them to spread more easily over the surface. Understanding these dynamics is essential for optimizing processes in various industries, from pharmaceuticals to consumer products. In conclusion, the apparent contact angle is a vital parameter that reflects the interaction between liquids and solids. Its significance spans multiple disciplines, making it an important focus for research and development. By mastering the principles surrounding the apparent contact angle, scientists and engineers can innovate and improve products and processes, ultimately enhancing performance and functionality. As we continue to explore the complexities of surface interactions, the apparent contact angle will remain a key concept in advancing our understanding of material properties and behaviors. In summary, the apparent contact angle (表观接触角) is a measure of how a liquid droplet interacts with a solid surface, influencing various applications in technology and nature. The ability to manipulate this angle opens up possibilities for innovative solutions in numerous fields.

“表观接触角”的概念在理解液体在固体表面上的行为中至关重要。这个角度被定义为液体、固体和气体相遇的三相交界处形成的角度。它在材料科学、生物学和工程等多个领域发挥着重要作用。“表观接触角”可以提供关于表面润湿性的洞见，这对于涂层技术、粘合剂结合甚至生物相互作用等应用至关重要。当一滴液体放置在固体表面上时，液滴的形状可以揭示液体与表面之间相互作用的很多信息。如果“表观接触角”较低，则表明液体容易在表面上扩散，表明良好的润湿性。相反，较高的“表观接触角”则意味着液体不易扩散，表明润湿性差。这种现象可以归因于多个因素，包括表面粗糙度、化学成分和污染物的存在。在实际应用中，测量“表观接触角”可以帮助研究人员和工程师设计更好的材料。例如，在涂层领域，通常希望“表观接触角”较低，因为这确保涂层能很好地附着在基材上。另一方面，在自清洁表面等应用中，更倾向于较高的“表观接触角”，因为这使水滴能够滚落并带走污垢，从而保持表面的清洁。此外，“表观接触角”还受到温度和环境条件的影响。例如，温度升高可能导致“表观接触角”降低，因为液体分子的运动性增强，使其能够更容易地在表面上扩散。理解这些动态对于优化各个行业的过程至关重要，从制药到消费品。总之，“表观接触角”是反映液体与固体相互作用的重要参数。它的重要性跨越多个学科，使其成为研究和开发的重要焦点。通过掌握围绕“表观接触角”的原理，科学家和工程师可以创新和改进产品和工艺，最终提升性能和功能。随着我们继续探索表面相互作用的复杂性，“表观接触角”将始终是推动我们理解材料特性和行为的关键概念。总而言之，“表观接触角”（apparent contact angle）是衡量液体滴与固体表面相互作用的一个指标，影响着技术和自然中的多种应用。操控这个角度的能力为多个领域的创新解决方案开辟了可能性。