The spray water quantity 250 500 and 1000 liters and then taken to analyze the Water Contact Angle instruments; the three conditions, it was found that WCA (figure). With a touch of adding more when spraying water droplets rain water in large quantities. Possibly because of the erosion by rain water drops touch angle is the angle of the water droplets touching a touch, rising water droplets refers of titanium coated on the surface of the sample, which the heat for 10 minutes with a touch of the drip and spray water volume 1000 liter sample found that spark but fail to provide the heat. Have experience with an empty glass, water droplets, most?
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