Researching on the coalescence of droplets on the gradient surface energy by visualizing experiment, and the effect of droplets movement by the coalescence process would be analyzed.
对梯度表面能材料上的液滴聚合进行了可视化实验，分析了聚合过程对液滴运动的影响。
Many researches showed that, the coalescence is the main reason to speed up the movement of drops on the surface with gradient surface energy and separate from the surface in dropwise condensation.
已有的研究工作表明：液滴的聚合是加快梯度能表面材料表面上液滴运动和滴状凝结中液滴快速运动的主要原因。
A number of recent theoretical and experimental studies have shown that droplet motion can be initiated and self-supported by a surface energy gradient of the substrate.
最近的一些理论和实验研究表明，液滴运动是受基底的表面能量梯度启动和支撑。
High energy heavy ions generate potential tracks on the face of insulated material, and a porous surface with gradient refractive index can be formed by etching the ion tracks.
高能重离子在绝缘材料表面产生的潜径迹经过蚀刻后形成一定形貌的核径迹孔，而密集的径迹孔表面相当于渐变折射率层。
To alter the gradient of land surface for decreasing the energy of flow.
二是改变地表的坡度，减小水流的能量。
To alter the gradient of land surface for decreasing the energy of flow.
二是改变地表的坡度，减小水流的能量。
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