TY JOUR TI EXPERIMENTAL ESTIMATION OF THE EFFECT OF ALTERNATING FREQUENCY-MODULATED POTENTIAL ON CORROSION RESISTANCE OF PIPELINE STEELS KW metal KW corrosion KW losses KW defense KW oil and gas KW alternating frequency-modulated potential KW fire and industrial safety JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Garifulin, R.R. AU Marchenko, M.A. AU Priymak, V.V. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia