TY JOUR TI MODIFICATION OF THE CEMENT MATRIX WITH A HIGHLY DISPERSED WO3 TUNGSTEN OXIDE POWDER WITH PHOTOCATALYTIC PROPERTIES KW photocatalysis KW highly dispersed powder KW tungsten trioxide KW cement material KW self-cleaning KW strength JO Construction and industrial safety AU Gavrish, V.M. AU Chayka, T.V. AU Korsak, D.V. AU Chayka, A.K. PY 2025 IS 0 PB V.I. Vernadsky Crimean Federal University