TY JOUR TI ECOLOGICAL ASPECTS DURING DIESEL THERMAL POWER PLANTS WITH AN ACTIVE BOILER-UTILIZER OF A HIGH-TEMPERATURE BOILER LAYER KW mathematical modeling KW diesel thermal power plants KW active heat recovery boilers KW high-temperature fluidized bed JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Aleksandrov, S.V. AU Makarchuk, G.V. AU Medvedeva, L.V. PY 2019 IS 2019 PB Saint-Petersburg University of State Fire Service of Emercom of Russia