2. The use of mathematical models to calculate the spread of dust and the use of mathematical models that have been developed on the basis of the theory. The spread of air pollutants is a popular method commonly used due to time and cost, lower bandwidth, the first and the most common use of the model is used mathematics to assess the impact on quality. air is Somewhat more complex Because of the spread in 3 resolutions so often solve a mathematical equation, not in the usual way (Analytical) because there are a lot of assumptions. It often requires a computer (Numerical) help to solve the equation.
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