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相关概念视频

Surface Tension, Capillary Action, and Viscosity02:57

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Surface Tension
The various IMFs between identical molecules of a substance are examples of cohesive forces. The molecules within a liquid are surrounded by other molecules and are attracted equally in all directions by the cohesive forces within the liquid. However, the molecules on the surface of a liquid are attracted only by about one-half as many molecules. Because of the unbalanced molecular attractions on the surface molecules, liquids contract to form a shape that minimizes the number...
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Surface Tension of Fluid01:22

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Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies...
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Measuring and Modeling Contractile Drying in Human Stratum Corneum
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滴滴如何在伸展的软基板上干燥

Yixuan Du1,2, Yujun Lin1, Elmar Bonaccurso3

  • 1Leibniz Institute of Polymer Research, Dresden 01069, Germany.

ACS nano
|January 28, 2025
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概括
此摘要是机器生成的。

伸展软基板会改变滴水的蒸发,从而产生异构型的图案. 这种受控的湿化动态为纳米颗粒沉积提供了新的方法,超越了咖啡环效应.

关键词:
不同类型的接触线回退的异型接触线滴滴蒸发的蒸发方式图案设计 图案设计伸展的柔软基板 伸展的柔软基板湿地山脊是一个湿地山脊.

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科学领域:

  • 软物质的物理学 软物质的物理学
  • 表面科学是一门科学.
  • 纳米材料的沉积沉积.

背景情况:

  • 滴滴蒸发在自然和工业过程中至关重要.
  • 在柔软的基板上蒸发速度比硬的基板更快,但伸展效应尚未被探索.
  • 了解基质力学会影响滴滴的行为和沉积.

研究的目的:

  • 研究基板拉伸如何影响滴水蒸发动态.
  • 分析基板刚度和拉伸对纳米粒子沉积模式的影响.
  • 探索创建异型沉积模式的新方法.

主要方法:

  • 系统地调查不同硬度和拉伸的基板上的滴滴接触线动态.
  • 在蒸发过程中直接可视化表面变形 (湿).
  • 在拉伸的软基板上蒸发合体悬浮,以形成纳米粒子图案.

主要成果:

  • 基板拉伸显著改变滴滴的形状和接触线的动态.
  • 接触线的异型衰退发生,更快地与在软基板上的拉伸并行.
  • 实现了与咖啡环效应截然不同的多种异型纳米粒子模式.

结论:

  • 拉伸软基板提供了一种简单的方法来控制蒸发性湿化动态.
  • 不同类型的接触线运动使得量身定制的纳米粒子沉积成为可能.
  • 这种技术具有广泛的科学和工业应用潜力.