00594naa#a2200205#i#450# EN\\bibl\104527 20260716111131.4 2071-7318 20260710b2026####ek#y0engy0150####ca RU ENERGY-SAVING COMPLEX RESEARCH Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2026 7 с. Journal article local Romanovich A. A. Prokopenko V. S. Lapteva M. A. Chetverikov B. S. Annenko D. M. zh-szf.ru