Name Saeed Ovaysi Affiliation عضو هیئت علمی سایر دانشگاههای داخل کشور Degree _ Website Email — JournalPaper Presentation Book Thesis FinishedProject Speech GrantAttraction TheorizingChair Publication Innovation ResearchExcellence TitleConference 1 technological and economic aspects of blending hydrogen into natural gas pipeline networks: determination of key issues for a selected gas pipeline in iran world gas conference