{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1124"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1124","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΚΑΤΑΛΥΤΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΧΗΜΙΚΩΝ ΟΞΕΙΔΙΩΝ ΤΟΥ ΣΙΔΗΡΟΥ ΚΑΘΑΡΩΝ ΚΑΙ ΜΙΚΤΩΝ ΣΤΗ ΜΕΤΑΤΡΟΠΗ ΤΟΥ ΜΟΝΟΞΕΙΔΙΟΥ ΤΟΥ ΑΝΘΡΑΚΑ ΤΟΥ ΥΔΡΑΕΡΙΟΥ","abstract":"PURE MAGNETIDE AND MIXED SPINEL FERRITES CONTAINING IN VARIOUS CONCENTRATIONS CR, CO OR NI AS A PROMOTER WERE PREPARED BY COPRECIPITATION, CALCINATION AND, WHEN NEEDED, REDUCTION X-RAY DIFFRACTION AND MOSSBAUER SPECTROSCOPY CONFIRMED THEFORMATION OF SPINEL FERRITES. THE ACTIVITIES OF THE PREPARED AND TWO INDUSTRIAL CATALYSTS WERE MEASURED IN AN ALL-GLASS FLOW-TYPE REACTOR WITH A SPACE VELOCITY OF 2.800 L/(L.H) AND REACTING GAS COMPOSITION (CO:H2:H2O=1:1:4), IN THE TEMPERATURE REGION 350-410 C AND ATMOSPHERIC PRESSURE. THE CATALYST CONTAINING \"12.5% AT.NI\" (NI IN METAL ATOMS %) SHOWED EXTRAORDINARY HIGH ACTIVITY (WHICH WAS 4.3 TIMES THE ACTIVITY OF THE INDUSTRIAL CATALYSTS). THE CATALYST WITH \"11.9% AT.NI\" WAS ALSO VERY ACTIVE AND THE CATALYSTS WITH \"16.0% AT.CR\", HAD ABOUT THE SAME ACTIVITY WITH THE INDUSTRIAL ONES. THE OBSERVED HIGH ACTIVITIES CAN BE ATTRIBUTED TO THE ELECTRONIC STRUCTURE OF THE CATIONS OF THE PROMOTERS AND TO THE DISORDERED STRUCTURE OF THE MORE ACTIVE CATALYSTS.","abstract_html":"PURE MAGNETIDE AND MIXED SPINEL FERRITES CONTAINING IN VARIOUS CONCENTRATIONS CR, CO OR NI AS A PROMOTER WERE PREPARED BY COPRECIPITATION, CALCINATION AND, WHEN NEEDED, REDUCTION X-RAY DIFFRACTION AND MOSSBAUER SPECTROSCOPY CONFIRMED THEFORMATION OF SPINEL FERRITES. THE ACTIVITIES OF THE PREPARED AND TWO INDUSTRIAL CATALYSTS WERE MEASURED IN AN ALL-GLASS FLOW-TYPE REACTOR WITH A SPACE VELOCITY OF 2.800 L/(L.H) AND REACTING GAS COMPOSITION (CO:H2:H2O=1:1:4), IN THE TEMPERATURE REGION 350-410 C AND ATMOSPHERIC PRESSURE. THE CATALYST CONTAINING "12.5% AT.NI" (NI IN METAL ATOMS %) SHOWED EXTRAORDINARY HIGH ACTIVITY (WHICH WAS 4.3 TIMES THE ACTIVITY OF THE INDUSTRIAL CATALYSTS). THE CATALYST WITH "11.9% AT.NI" WAS ALSO VERY ACTIVE AND THE CATALYSTS WITH "16.0% AT.CR", HAD ABOUT THE SAME ACTIVITY WITH THE INDUSTRIAL ONES. THE OBSERVED HIGH ACTIVITIES CAN BE ATTRIBUTED TO THE ELECTRONIC STRUCTURE OF THE CATIONS OF THE PROMOTERS AND TO THE DISORDERED STRUCTURE OF THE MORE ACTIVE CATALYSTS.","abstract_has_math":false,"creators":["Βαρανάκης, Εμμανουήλ"],"institution":"Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-24T02:24:43Z","subjects":["CARBON MONOXIDE CONVERSION CATALYSTS","CHROMIUM IRON OXIDE CATALYST","COBALT IRON OXIDE CATALYST","MIXED IRON OXIDE CATALYSTS","NICKEL IRON OXIDE CATALYST","WATER GAS SHIFT CATALYSTS","ΚΑΤΑΛΥΤΕΣ ΜΕΤΑΤΡΟΠΗΣ ΤΟΥ ΥΔΡΑΕΡΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΚΟΒΑΛΤΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΝΙΚΕΛΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΧΡΩΜΙΟΥ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1124"],"render_values":[{"text":"10.12681/eadd/1124","href":"https://doi.org/10.12681/eadd/1124","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1124","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Βαρανάκης, Εμμανουήλ"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1989"]},{"key":"dc:publisher","label":"Institution","values":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["CARBON MONOXIDE CONVERSION CATALYSTS","CHROMIUM IRON OXIDE CATALYST","COBALT IRON OXIDE CATALYST","MIXED IRON OXIDE CATALYSTS","NICKEL IRON OXIDE CATALYST","WATER GAS SHIFT CATALYSTS","ΚΑΤΑΛΥΤΕΣ ΜΕΤΑΤΡΟΠΗΣ ΤΟΥ ΥΔΡΑΕΡΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΚΟΒΑΛΤΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΝΙΚΕΛΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΧΡΩΜΙΟΥ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1124","http://hdl.handle.net/10442/hedi/1124"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["PURE MAGNETIDE AND MIXED SPINEL FERRITES CONTAINING IN VARIOUS CONCENTRATIONS CR, CO OR NI AS A PROMOTER WERE PREPARED BY COPRECIPITATION, CALCINATION AND, WHEN NEEDED, REDUCTION X-RAY DIFFRACTION AND MOSSBAUER SPECTROSCOPY CONFIRMED THEFORMATION OF SPINEL FERRITES. THE ACTIVITIES OF THE PREPARED AND TWO INDUSTRIAL CATALYSTS WERE MEASURED IN AN ALL-GLASS FLOW-TYPE REACTOR WITH A SPACE VELOCITY OF 2.800 L/(L.H) AND REACTING GAS COMPOSITION (CO:H2:H2O=1:1:4), IN THE TEMPERATURE REGION 350-410 C AND ATMOSPHERIC PRESSURE. THE CATALYST CONTAINING \"12.5% AT.NI\" (NI IN METAL ATOMS %) SHOWED EXTRAORDINARY HIGH ACTIVITY (WHICH WAS 4.3 TIMES THE ACTIVITY OF THE INDUSTRIAL CATALYSTS). THE CATALYST WITH \"11.9% AT.NI\" WAS ALSO VERY ACTIVE AND THE CATALYSTS WITH \"16.0% AT.CR\", HAD ABOUT THE SAME ACTIVITY WITH THE INDUSTRIAL ONES. THE OBSERVED HIGH ACTIVITIES CAN BE ATTRIBUTED TO THE ELECTRONIC STRUCTURE OF THE CATIONS OF THE PROMOTERS AND TO THE DISORDERED STRUCTURE OF THE MORE ACTIVE CATALYSTS.","ΚΑΘΑΡΟΣ ΜΑΓΝΗΤΙΤΗΣ ΚΑΙ ΜΙΚΤΟΙ ΣΠΙΝΕΛΛΙΚΟΙ ΦΕΡΡΙΤΕΣ ΠΟΥ ΠΕΡΙΕΙΧΑΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΓΚΕΝΤΡΩΣΕΙΣ CR, CO 'Η ΝΙ ΣΑΝ ΠΡΟΩΘΗΤΗ ΠΑΡΑΣΚΕΥΑΣΤΗΚΑΝ ΜΕ ΣΥΓΚΑΤΑΒΥΘΙΣΗ, ΠΥΡΩΣΗ ΚΑΙ ΟΤΑΝ ΧΡΕΙΑΖΟΤΑΝ, ΑΝΑΓΩΓΗ. ΠΕΡΙΘΛΑΣΗ ΑΚΤΙΝΩΝ-Χ ΚΑΙ ΦΑΣΜΑΤΟΣΚΟΠΙΑ MOSSBAUER ΕΠΙΒΕΒΑΙΩΣΑΝ ΤΟ ΣΧΗΜΑΤΙΣΜΟ ΤΩΝ ΣΠΙΝΕΛΛΙΚΩΝ ΦΕΡΡΙΤΩΝ. ΟΙ ΔΡΑΣΤΙΚΟΤΗΤΕΣ ΤΩΝ ΠΑΡΑΣΚΕΥΑΣΘΕΝΤΩΝ ΚΑΙ ΔΥΟ ΒΙΟΜΗΧΑΝΙΚΩΝ ΚΑΤΑΛΥΤΩΝ ΜΕΤΡΗΘΗΚΑΝ ΣΕ ΓΥΑΛΙΝΟ ΑΝΤΙΔΡΑΣΤΗΡΑ ΣΤΑΘΕΡΗΣ ΚΛΙΝΗΣ, ΜΕ ΤΑΧΥΤΗΤΑ ΧΩΡΟΥ 2.800 L/L.H) ΚΑΙ ΣΥΣΤΑΣΗ ΤΟΥ ΑΝΤΙΔΡΩΝΤΟΣ ΑΕΡΙΟΥ (CO:H2:H2O=1:1=4), ΣΤΟ ΔΙΑΣΤΗΜΑ ΘΕΡΜΟΚΡΑΣΙΩΝ 350-410 C ΚΑΙ ΑΤΜΟΣΦΑΙΡΙΚΗ ΠΙΕΣΗ. Ο ΚΑΤΑΛΥΤΗΣ ΜΕ @12.5% ΑΤ.ΝΙ (ΝΙ ΣΤΑ ΣΥΝΟΛΙΚΑ ΑΤΟΜΑ ΜΕΤΑΛΛΩΝ %) ΠΑΡΟΥΣΙΑΣΕ ΕΞΑΙΡΕΤΙΚΗ ΔΡΑΣΤΙΚΟΤΗΤΑ (ΠΟΥ ΗΤΑΝ 4. 3 ΦΟΡΕΣ Η ΔΡΑΣΤΙΚΟΤΗΤΑ ΤΩΝ ΒΙΟΜΗΧΑΝΙΚΩΝ ΚΑΤΑΛΥΤΩΝ). Ο ΚΑΤΑΛΥΤΗΣ ΜΕ @11.9% ΑΤ.ΝΙ ΗΤΑΝ ΕΠΙΣΗΣ ΠΟΛΥ ΔΡΑΣΤΙΚΟΣ, ΕΝΩ ΟΙ ΚΑΤΑΛΥΤΕΣΜΕ @16.0% ΑΤ.C\", \"200% ΑΤ.ΝΙ\", \"14,5% ΑΤ.CO\" KAI \"3.1% AT.CR\" ΕΙΧΑΝ ΤΗΝ ΙΔΙΑ ΠΕΡΙΠΟΥ ΔΡΑΣΤΙΚΟΤΗΤΑ ΜΕ ΤΟΥΣ ΒΙΟΜΗΧΑΝΙΚΟΥΣ. ΟΙ ΜΕΓΑΛΕΣ ΔΡΑΣΤΙΚΟΤΗΤΕΣ ΠΟΥ ΠΑΡΑΤΗΡΗΘΗΚΑΝ ΜΠΟΡΟΥΝ Ν'ΑΠΟΔΟΘΟΥΝ ΣΤΗΝ ΗΛΕΚΤΡΟΝΙΚΗ ΔΟΜΗ ΤΩΝ ΚΑΤΙΟΝΤΩΝ ΤΩΝ ΠΡΟΩΘΗΤΩΝ ΚΑΙ ΣΤΗΝ ΑΤΑΚΤΗ ΔΟΜΗ ΤΩΝ ΔΡΑΣΤΙΚΟΤΕΡΩΝ ΚΑΤΑΛΥΤΩΝ."]},{"key":"dc:title","label":"Title","values":["ΚΑΤΑΛΥΤΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΧΗΜΙΚΩΝ ΟΞΕΙΔΙΩΝ ΤΟΥ ΣΙΔΗΡΟΥ ΚΑΘΑΡΩΝ ΚΑΙ ΜΙΚΤΩΝ ΣΤΗ ΜΕΤΑΤΡΟΠΗ ΤΟΥ ΜΟΝΟΞΕΙΔΙΟΥ ΤΟΥ ΑΝΘΡΑΚΑ ΤΟΥ ΥΔΡΑΕΡΙΟΥ","CATALYTIC PROPERTIES OF PURE AND MIXED IRON OXIDES CHEMICALLY PREPARED ON THE CONVERSION OF CARBON MONOXIDE OF WATER GAS"]}]}],"canonical_facts":{"dc:creator":["Βαρανάκης, Εμμανουήλ"],"dc:date":["1989"],"dc:description":["PURE MAGNETIDE AND MIXED SPINEL FERRITES CONTAINING IN VARIOUS CONCENTRATIONS CR, CO OR NI AS A PROMOTER WERE PREPARED BY COPRECIPITATION, CALCINATION AND, WHEN NEEDED, REDUCTION X-RAY DIFFRACTION AND MOSSBAUER SPECTROSCOPY CONFIRMED THEFORMATION OF SPINEL FERRITES. THE ACTIVITIES OF THE PREPARED AND TWO INDUSTRIAL CATALYSTS WERE MEASURED IN AN ALL-GLASS FLOW-TYPE REACTOR WITH A SPACE VELOCITY OF 2.800 L/(L.H) AND REACTING GAS COMPOSITION (CO:H2:H2O=1:1:4), IN THE TEMPERATURE REGION 350-410 C AND ATMOSPHERIC PRESSURE. THE CATALYST CONTAINING \"12.5% AT.NI\" (NI IN METAL ATOMS %) SHOWED EXTRAORDINARY HIGH ACTIVITY (WHICH WAS 4.3 TIMES THE ACTIVITY OF THE INDUSTRIAL CATALYSTS). THE CATALYST WITH \"11.9% AT.NI\" WAS ALSO VERY ACTIVE AND THE CATALYSTS WITH \"16.0% AT.CR\", HAD ABOUT THE SAME ACTIVITY WITH THE INDUSTRIAL ONES. THE OBSERVED HIGH ACTIVITIES CAN BE ATTRIBUTED TO THE ELECTRONIC STRUCTURE OF THE CATIONS OF THE PROMOTERS AND TO THE DISORDERED STRUCTURE OF THE MORE ACTIVE CATALYSTS.","ΚΑΘΑΡΟΣ ΜΑΓΝΗΤΙΤΗΣ ΚΑΙ ΜΙΚΤΟΙ ΣΠΙΝΕΛΛΙΚΟΙ ΦΕΡΡΙΤΕΣ ΠΟΥ ΠΕΡΙΕΙΧΑΝ ΣΕ ΔΙΑΦΟΡΕΣ ΣΥΓΚΕΝΤΡΩΣΕΙΣ CR, CO 'Η ΝΙ ΣΑΝ ΠΡΟΩΘΗΤΗ ΠΑΡΑΣΚΕΥΑΣΤΗΚΑΝ ΜΕ ΣΥΓΚΑΤΑΒΥΘΙΣΗ, ΠΥΡΩΣΗ ΚΑΙ ΟΤΑΝ ΧΡΕΙΑΖΟΤΑΝ, ΑΝΑΓΩΓΗ. ΠΕΡΙΘΛΑΣΗ ΑΚΤΙΝΩΝ-Χ ΚΑΙ ΦΑΣΜΑΤΟΣΚΟΠΙΑ MOSSBAUER ΕΠΙΒΕΒΑΙΩΣΑΝ ΤΟ ΣΧΗΜΑΤΙΣΜΟ ΤΩΝ ΣΠΙΝΕΛΛΙΚΩΝ ΦΕΡΡΙΤΩΝ. ΟΙ ΔΡΑΣΤΙΚΟΤΗΤΕΣ ΤΩΝ ΠΑΡΑΣΚΕΥΑΣΘΕΝΤΩΝ ΚΑΙ ΔΥΟ ΒΙΟΜΗΧΑΝΙΚΩΝ ΚΑΤΑΛΥΤΩΝ ΜΕΤΡΗΘΗΚΑΝ ΣΕ ΓΥΑΛΙΝΟ ΑΝΤΙΔΡΑΣΤΗΡΑ ΣΤΑΘΕΡΗΣ ΚΛΙΝΗΣ, ΜΕ ΤΑΧΥΤΗΤΑ ΧΩΡΟΥ 2.800 L/L.H) ΚΑΙ ΣΥΣΤΑΣΗ ΤΟΥ ΑΝΤΙΔΡΩΝΤΟΣ ΑΕΡΙΟΥ (CO:H2:H2O=1:1=4), ΣΤΟ ΔΙΑΣΤΗΜΑ ΘΕΡΜΟΚΡΑΣΙΩΝ 350-410 C ΚΑΙ ΑΤΜΟΣΦΑΙΡΙΚΗ ΠΙΕΣΗ. Ο ΚΑΤΑΛΥΤΗΣ ΜΕ @12.5% ΑΤ.ΝΙ (ΝΙ ΣΤΑ ΣΥΝΟΛΙΚΑ ΑΤΟΜΑ ΜΕΤΑΛΛΩΝ %) ΠΑΡΟΥΣΙΑΣΕ ΕΞΑΙΡΕΤΙΚΗ ΔΡΑΣΤΙΚΟΤΗΤΑ (ΠΟΥ ΗΤΑΝ 4. 3 ΦΟΡΕΣ Η ΔΡΑΣΤΙΚΟΤΗΤΑ ΤΩΝ ΒΙΟΜΗΧΑΝΙΚΩΝ ΚΑΤΑΛΥΤΩΝ). Ο ΚΑΤΑΛΥΤΗΣ ΜΕ @11.9% ΑΤ.ΝΙ ΗΤΑΝ ΕΠΙΣΗΣ ΠΟΛΥ ΔΡΑΣΤΙΚΟΣ, ΕΝΩ ΟΙ ΚΑΤΑΛΥΤΕΣΜΕ @16.0% ΑΤ.C\", \"200% ΑΤ.ΝΙ\", \"14,5% ΑΤ.CO\" KAI \"3.1% AT.CR\" ΕΙΧΑΝ ΤΗΝ ΙΔΙΑ ΠΕΡΙΠΟΥ ΔΡΑΣΤΙΚΟΤΗΤΑ ΜΕ ΤΟΥΣ ΒΙΟΜΗΧΑΝΙΚΟΥΣ. ΟΙ ΜΕΓΑΛΕΣ ΔΡΑΣΤΙΚΟΤΗΤΕΣ ΠΟΥ ΠΑΡΑΤΗΡΗΘΗΚΑΝ ΜΠΟΡΟΥΝ Ν'ΑΠΟΔΟΘΟΥΝ ΣΤΗΝ ΗΛΕΚΤΡΟΝΙΚΗ ΔΟΜΗ ΤΩΝ ΚΑΤΙΟΝΤΩΝ ΤΩΝ ΠΡΟΩΘΗΤΩΝ ΚΑΙ ΣΤΗΝ ΑΤΑΚΤΗ ΔΟΜΗ ΤΩΝ ΔΡΑΣΤΙΚΟΤΕΡΩΝ ΚΑΤΑΛΥΤΩΝ."],"dc:identifier":["10.12681/eadd/1124","http://hdl.handle.net/10442/hedi/1124"],"dc:language":["gre"],"dc:publisher":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"],"dc:subject":["CARBON MONOXIDE CONVERSION CATALYSTS","CHROMIUM IRON OXIDE CATALYST","COBALT IRON OXIDE CATALYST","MIXED IRON OXIDE CATALYSTS","NICKEL IRON OXIDE CATALYST","WATER GAS SHIFT CATALYSTS","ΚΑΤΑΛΥΤΕΣ ΜΕΤΑΤΡΟΠΗΣ ΤΟΥ ΥΔΡΑΕΡΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΚΟΒΑΛΤΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΝΙΚΕΛΙΟΥ","ΚΑΤΑΛΥΤΕΣ ΜΙΚΤΩΝ ΟΞΕΙΔΙΩΝ ΣΙΔΗΡΟΥ ΧΡΩΜΙΟΥ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"dc:title":["ΚΑΤΑΛΥΤΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΧΗΜΙΚΩΝ ΟΞΕΙΔΙΩΝ ΤΟΥ ΣΙΔΗΡΟΥ ΚΑΘΑΡΩΝ ΚΑΙ ΜΙΚΤΩΝ ΣΤΗ ΜΕΤΑΤΡΟΠΗ ΤΟΥ ΜΟΝΟΞΕΙΔΙΟΥ ΤΟΥ ΑΝΘΡΑΚΑ ΤΟΥ ΥΔΡΑΕΡΙΟΥ","CATALYTIC PROPERTIES OF PURE AND MIXED IRON OXIDES CHEMICALLY PREPARED ON THE CONVERSION OF CARBON MONOXIDE OF WATER GAS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:43Z"}