%0 Journal Article %T Differential and integral equations for modeling current gas suspension in the lance blowing slag oxygen converter %A Sinelnikov, V.. %K lance, differential equations, the speed of the gas suspension, concentration %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov