Browsing by Subject "logarithmic-normal distribution"
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Item type:Article, Access status: Open Access , Rola i sens aproksymacji krzywych składu ziarnowego surowców mineralnych(2006) Saramak, Daniel; Tumidajski, TadeuszThe article describes problems concerning matters of approximation of grain size curves of mineral raw materials and also ways of using these results for description of specific surface of grained materials. In the article there were presented theoretical conditions connected with manners of approximation of grain size curves and approximation formulas for grain size curves described by logarithmic-normal distribution and logistic distribution. It was also made an approximation of these distributions, as well ways of calculation of specific surface of fine grained materials with using Taylor's power sequence based on approximation results were presented.