TY JOUR TI Circuit decisions for heating vegetable oil tanks using thermal pump at Marine Trade Port Olya, JSC in Astrakhan region KW vegetable oil tanks KW heat pump KW renewable energy sources KW heat supply system KW circuit solutions JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Ilyin, R.. AU Shishkin, N.. AU Konkov, I.. AU Volkova, A.. PY 2020 IS 2020 PB Astrakhan State Technical University