00548naa#a2200181#i#450# EN\\bibl\116546 20260423023000.4 3034-4689 20260226b2026####ek#y0engy0150####ca RU PHYSICOCHEMICAL CHARACTERISTICS OF ACTIVATED ZEOLITE FROM THE TATAR-SHATRASHAN DEPOSIT AND ITS BASED AMELIORANT Journal article Kazan Kazan National Research Technological University 2026 3 с. Journal article local vestniktu.ru