Nano violet tungsten oxide may be used for the preparation of thermal absorption agricultural plastic film. For example, it may be applied to prepare a land cover film for agricultural and horticultural use. Such thermal absorption agricultural film can absorb solar heat from sunlight through the violet tungsten oxide nanoparticles (infrared absorbing material particles). The infrared rays are absorbed by the film, the film temperature rises, the radiant heat also increases, and the temperature of the covered soil rapidly rises. However, the temperature of the atmosphere in the greenhouse does not rise. Moreover, the agricultural film also has a high visible light transmission rate and thus does not affect the growth of plants.
In addition, I believe that the problem that the farmer's uncle will care about is how to clean the violet tungsten oxide agricultural film. First, the attached impurities on the recovered agricultural film are removed, and then rinsed with water, avoiding rubbing with hands and hitting with a stick. After washing, it should be opened and placed in a cool and ventilated place to dry, do not expose to the sun, and prevent the wind from scratching the film. When drying, pull the rope, spread the film on the rope, and fix it with a clip to prevent the agricultural film from touching the ground and slipping until it is dry. After drying and storing, the film should be inspected thoroughly, and if it is damaged, it should be replenished in time.
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