00652naa#a2200181#i#450# EN\\bibl\84243 /en/manage/index 20250619150259.4 2686-7788 20240625b2024####ek#y0engy0150####ca RU EFFICIENCY OF CONTACT PLATES OF RECTIFICATION COLUMNS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2024 9 с. Journal article local (Теоретическая химия). 541 Ul'yanov Boris Aleksandrovich fht.editorum.ru /en/manage/index