00734naa#a2200193#i#450# EN\\bibl\99962 20250628071446.6 2686-7788 20250624b2025####ek#y0engy0150####ca RU IMPROVING THE EFFICIENCY OF THE ALLOCATION NODE PROPANE-PROPYLENE FRACTION OF THE EP-300 UNIT Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2025 3 с. Journal article local Строительные материалы и изделия. 691 Dement'ev Anatoliy Ivanovich Podoplelov Evgeniy Viktorovich angtu.editorum.ru