TY JOUR TI FEEDBACK TECHNOLOGY WHEN TEACHING THE SUBJECT «CHEMISTRY» IN MILITARY INSTITUTE (ENGINEERING) KW training KW feedback KW control KW knowledge KW skills JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Medvedeva, L.V. AU Makarchuk, G.V. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia