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透气不透水的布 (2).png


透气不透水的布

Ventilate Waterproof Cloth

展示内容:

Exhibit Explanation:

水滴和水蒸气之间有一个明显的体积界限,由于水分子之间存在引力,最小的水滴直径通常在100纳米以上,而水蒸气分子直径却只有0.0004纳米,将纺织面料经纬线的间隙密度控制在1纳米左右的空间范围,就可使面料具有隔水通气的功能。

There is a clear volume boundary between water drop and water vapor. Due to the existence of gravitation between water molecules, the diameter of the smallest water drop is always more than 100 nanometers, and the molecular diameter of water vapor is only  0.0004 nanometer. When controlling the gap density of the warp and weft within a spatial scale of about 1 nanometer, the textile fabric will have the waterproof and ventilate function.

操作方法:

Operating Instruction:

按下按钮启动气泵,可以看见布料上方的水中冒出气泡,而水不会渗透下来。

Press the button to start the air pump, the audience will see bubbles emit from the water above the cloth, but water will not permeate the cloth.

游览须知

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