TY JOUR TI Features of hydrochemical water regime in the river Araks under conditions of technogenic load KW organic matter KW anthropogenic impact KW total mineralization KW total hardness KW heavy metals JO Melioration and Water Management AU Gurbanova, L.G. AU Alieva, F.Z. AU Shekiliev, F.I. PY 2026 IS 2025 PB ANO Editorial Board Melioration and water management