00716naa#a2200205#i#450# EN\\bibl\75386 20240517185429.5 2071-7318 20240415b2024####ek#y0engy0150####ca RU THE ECONOMIC ASPECT OF THE SCALE-FORMING DIGNOSTICS LAYERS IN PLATE HEAT EXCHANGERS Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2024 8 с. Journal article local Вентиляция. Кондиционирование воздуха. 697.9 Il'ina T. N. Orlov P. A. Savvin N. Yu. Elistratova Y. V. bulletinbstu.editorum.ru