TY JOUR TI Assessment of the Factors Affecting the Service Lifespan of Silica Gel KW Resource conservation KW compressed air KW atmospheric air KW service lifespan KW environment KW adsorption KW adsorbent JO Proceedings of Petersburg Transport University AU Ripol'-Saragosi, T.L. AU Mal'cev, D.A. PY 2025 IS 22 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"