Lotus is covered with fluff, and its concave part is filled with air, forming an extremely thin nano-air layer on the leaf surface. When dirt, dust, rain, etc. Landing on the leaf surface, due to the action of the air layer, the water droplets form a ball, and the water polo rolls up the soil in the rolling.
The magical "self-cleaning function" of lotus has been flexibly applied to people's lives by scientists to produce materials with completely waterproof surface and self-cleaning function.
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diversification
China is rich in lotus variety resources, with more than 200 traditional varieties and new varieties emerging constantly. The classification of lotus varieties is based on the historical evolution of artificial cultivation of lotus, combined with practical cultivation and application.
Species and types are the premise of variety classification, the size of plant type is the first-level classification standard, the double petals of flowers are the second-level classification standard, and the color is the third-level classification standard. Flowers can bloom in pots (cans) with a diameter of less than 26 cm, and the average flower diameter does not exceed 12 cm;
The average diameter of vertical leaves is not more than 24 cm, and the average height is not more than 33 cm, which is a small variety (bowl lotus); One of them exceeds the index and is included in large and medium-sized plant varieties. According to different uses, it can be divided into three systems: lotus root, lotus seed and Hualien.