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The formula for calculating the amount of dust in the gravel yard adopts the study on the mechanism and diffusion law of dust in Qinhuangdao gravel loading and unloading.
This is the paper "Study on the Mechanism and Diffusion Law of Sand Loading and Unloading in Qinhuangdao", which is also the method described in this paper.

The calculation model of the amount of dust in the storage yard adopts the dust correction formula recommended by Study on the Mechanism and Diffusion Law of Dust Loading and Unloading of Gravel Materials in Qinhuangdao: qi = 2.1g (vi-vo) 3 * e (-0.556w) * fi * AQ = ∑ qi, where qi is the amount of dust under the condition of Class I wind speed, kg/.

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