TY JOUR TI INFLUENCE OF MODIFYING ADDITIVES ON THE PROCESSES OF SYNTHESIS OF CLINKER MINERALS OF HIGH ALUMINA CEMENT KW calcium monoaluminate KW calcium dialuminate KW heat treatment KW high alumina cement KW phase formation KW modification KW boric acid JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Volovicheva, N.A. AU Trubitsyn, M.A. AU Furda, L.V. AU Yapryncev, M.N. AU Kuzin, V.I. AU Kolomytsev, E.E. PY 2022 IS 7 PB Belgorod State Technological University named after V.G. Shukhov