TY JOUR TI OPTIMAL MODES OF VACUUM-SUBLIMATION DRYING KW vacuum-sublimation drying KW milk powder KW whole camel milk KW humidity KW temperature regime JO Vestnik of Kazan State Agrarian University AU Ibraikhan, A.T. AU Abuova, A.B. AU Rakhmatullina, A.B. AU Dikhanbaeva, F.T. AU Esembekova, Z.T. PY 2025 IS 20 PB Kazan state agrarian University