{"created":"2023-06-20T14:49:35.236154+00:00","id":17467,"links":{},"metadata":{"_buckets":{"deposit":"9344492d-f591-4091-ba5e-ff10afc1cfcf"},"_deposit":{"created_by":1,"id":"17467","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"17467"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00017467","sets":["1543:1693:1711","1887:1891"]},"author_link":["158454","158456","158452","158458","158455","158457","158453","158459"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Development experiments and flight results of the two-stage propulsion system of the H-2A rocket"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-04","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"159","bibliographicPageStart":"156","bibliographic_titles":[{"bibliographic_title":"宇宙輸送シンポジウム　平成13年度"},{"bibliographic_title":"Proceedings of Space Transportation Symposium FY2001","bibliographic_titleLang":"en"}]}]},"item_5_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"昨年12月には、4号機用LE-5Bエンジンの領収燃焼試験を行い、無事に出荷している。今回飛行実績を含めると、LE-5Bエンジンの試験規模は、着火回数でおよそ190回、運転秒時累計約23,000秒に達している。うち、最近の95回、累計およそ12,500秒の運転は、エンジンに関わる「緊急停止なし」に行われており、現在この記録を更新中である。また、上段エンジンは、将来軌道変換機(OTV)に発展する可能性も有しており、「推進系技術の百貨店」と表現することもできる。今後の信頼性向上も含め、将来構想に関して議論を始めている","subitem_description_type":"Abstract"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0033392039","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙科学研究所"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"The Institute of Space and Astronautical Science (ISAS)"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇宙開発事業団 H-2Aプロジェクトチーム"},{"subitem_text_value":"宇宙開発事業団 H-2Aプロジェクトチーム"},{"subitem_text_value":"宇宙開発事業団 H-2Aプロジェクトチーム"},{"subitem_text_value":"宇宙開発事業団 H-2Aプロジェクトチーム"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"National Space Development Agency of Japan H-2A Project Team"},{"subitem_text_language":"en","subitem_text_value":"National Space Development Agency of Japan H-2A Project Team"},{"subitem_text_language":"en","subitem_text_value":"National Space Development Agency of Japan H-2A Project Team"},{"subitem_text_language":"en","subitem_text_value":"National Space Development Agency of Japan H-2A Project Team"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only 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