The research of storage coal quantity

代码说明：

This paper studies the problem is how to determine the amount of stored coal, the difference with the common method, according to the table of calorific value and density of a list of data, without considering the influence of other factors on the density of the premise, the establishment reflects the density (y) and calorific value (x) model of the relationship, which can be obtained by the coal heat density of coal and draws a conclusion that the amount of stored coal.