00610naa#a2200169#i#450# EN\\bibl\101180 20260320182738.5 2071-7318 20260112b2026####ek#y0engy0150####ca RU INFLUENCE OF SODIUM HYDROXIDE ON THE PROPERTIES OF FOAMED GEOPOLYMERS BASED ON SOLID FUEL ENERGY WASTE Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2026 10 с. Journal article local Вяжущие материалы. 625.878.06 Izvarin A. I. bulletinbstu.editorum.ru