TY JOUR TI TEMPERATURE DISTRIBUTION IN PRODUCTION REACTOR POLYCRYSTALLIC SILICON KW polycrystalline silicon reactor KW temperature distribution KW Laplace equation KW grid method KW color table. JO Bulletin of the Angarsk State Technical University AU Senotova, S.A. PY 2020 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»