TY JOUR TI EFFECT OF 5-OXA-2,8-DITHIANONANE AS BRILLIANT ADDITIVE FOR ELECTROCHEMICAL NICKEL PLATED 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 Modern Technologies and Scientific and Technological Progress AU Skulin, B.A. AU Sosnovskaya, N.G. AU Korchevin, N.A. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»