فهرس المقالات Upgrading of Existing Heaters حرية الوصول المقاله صفحة الملخص نص كامل 1 - Upgrading Existing CRU Heaters for Energy Saving by Adding Convection Section Abbas Behzadi Aliakbar Abbasianarani Ali Arefmanesh 10.30486/ADMT.2024.873807