00702naa#a2200169#i#450# EN\\bibl\41111 20240430020404.2 2686-777X 20201215b2020####ek#y0engy0150####ca RU CALCULATION OF THE HEAT TRANSFER SURFACE OF THE AIR HEAT EXCHANGER USED IN THE PRODUCTION OF METHYL-TET-BUTYL ETHER DEPENDING ON THE ANGLE OF INSTALLATION OF THE FAN BLADES Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 5 с. Journal article local Luchko Mihail Vahidovich Fomina Larisa Valer'evna angtu.editorum.ru