TY JOUR TI COMPARATIVE ANALYSIS OF BOILER EQUIPMENT CONFIGURATIONS FOR THE PRODUCTION OF KAS 32 KW boiler KW urea ammonia mixture KW heat exchanger KW heating KW fertilizer JO Vestnik of Omsk SAU AU MYALO, V.V. AU MYALO, O.V. AU DEMOCHKO, Y.O. AU MYALO, O.V. PY 2024 IS 56 PB FSBEI HE Omsk SAU