TY JOUR TI The cavitation during roasting granulated silicate raw materials KW the granulated silicate materials KW the expanded clay gravel KW the granulated foamglass KW swelling KW foaming JO Technique and technology of silicates AU Bobko, D.D. AU Yemelyanov, A.N. PY 2013 IS 20 PB Individual Entrepreneur Svetlana Vasilievna Samchenko