00652naa#a2200181#i#450# EN\\bibl\38091 20240505231912.7 2686-9896 20200616b2020####ek#y0engy0150####ca RU OPERATING COSTS FOR A RECUPERATIVE HEAT EXCHANGER Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 1 с. Journal article local Общие вопросы химии. 31.01 grnti Scherbin Sergey Anatol'evich Glotov Anatoliy Andreevich angtu.editorum.ru