TY JOUR TI EFFECT OF 5-OXA-2,8-DITHIANONANE ON THE ELECTROCHEMICAL NICKEL PLATING PROCESS KW nickel plating KW nickel KW brightener KW coating KW sulfuric acid electrolyte KW Hull cell KW electrolysis KW gloss KW porosity KW spectral analysis JO Bulletin of the Angarsk State Technical University AU Sosnovskaya, N.G. AU Korchevin, N.A. AU Skulin, B.A. PY 2022 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»