TY JOUR TI ANALYZING THE INFLUENCE OF COMPLEX ORGANOMINERAL ADDITIVES ON THE PHYSICAL AND MECHANICAL PARAMETERS OF MODIFIED FINE-GRAINED CONCRETE KW fine-grained concrete KW organomineral additive KW fired clay KW polycarboxylates ester KW isopropanolamine-based blended compositions JO Technique and technology of silicates AU Nizina, T.A. AU Volodin, V.V. AU Matyakubov, K.B. AU Matyakubov, K.. PY 2025 IS PB Individual Entrepreneur Svetlana Vasilievna Samchenko