Jon Nelson, of Ritsumeikan University, in Japan, has calculated that the most important property involved is the surface tension of the tiny clusters of water molecules from which snowflakes form.

日本立命馆大学的琼。尼尔森已经通过计算得出，其中最重要的特性是在雪花形成过程中一小部分水分子的表面张力。

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Wettability depends on one specific property of the surface: surface energy, often referred to as surface tension.

润湿性依赖于某一特定财产的表面：表面能量，通常称为表面张力。

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The results show that ultrasonic treatment degrades the viscosity and surface tension of resin and improves RTM impregnation, which enhances the bend property of RTM composites.

实验结果表明：超声处理使树脂的黏度和表面张力降低，RTM浸润性改善显著，从而提高了复合材料的力学性能。

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