{"_buckets": {"deposit": "1584f5e5-4a80-4183-811d-a77fc07a20c4"}, "_deposit": {"created_by": 1, "id": "6047", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "6047"}, "status": "published"}, "_oai": {"id": "oai:jaxa.repo.nii.ac.jp:00006047", "sets": ["1028", "1893"]}, "author_link": ["30129", "30128", "30122", "30126", "30127", "30123", "30124", "30130", "30125", "30121"], "item_3_alternative_title_2": {"attribute_name": "その他のタイトル（英）", "attribute_value_mlt": [{"subitem_alternative_title": "The research on the next-generation ion engine"}]}, "item_3_biblio_info_10": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2006-11-01", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "296", "bibliographicPageStart": "291", "bibliographicVolumeNumber": "JAXA-SP-06-006", "bibliographic_titles": [{"bibliographic_title": "宇宙航空研究開発機構特別資料: 平成18年度　宇宙航空研究開発機構　総合技術研究本部　宇宙科学研究本部　研究成果報告書"}, {"bibliographic_title": "JAXA Special Publication: Report on Research Achievements for FY2006 Institute of Space and Astronautical Science, Institute of Aerospace Technology, Japan Aerospace Exploration Agency", "bibliographic_titleLang": "en"}]}]}, "item_3_description_17": {"attribute_name": "抄録（英）", "attribute_value_mlt": [{"subitem_description": "This paper describes the status of the next-generation xenon-ion-engine research at IAT (The Institute of Aerospace Technology). A set of ion extraction grids, which had been pressed improperly in FY2004, was pressed again to obtain the designed shapes after reviewing the pressing process. Another set of ion extraction grids, whose peripheral regions were masked, was manufactured after this. Both results were unsatisfactory and it was finally found that important knowledge had been lost in the pressing process. However, each grid set was tested as a part of an ion thruster. A main cathode continuous operation to confirm the life of an impregnated cathode has begun and is continuing without any symptom of degradation in the cathode. Four neutralizers including two graphite-orifice-plate types were evaluated individually as a part of an ion thruster. One of the graphite-orifice-plate types showed satisfactory characteristics.", "subitem_description_type": "Other"}]}, "item_3_description_32": {"attribute_name": "資料番号", "attribute_value_mlt": [{"subitem_description": "資料番号: AA0049500063", "subitem_description_type": "Other"}]}, "item_3_description_33": {"attribute_name": "レポート番号", "attribute_value_mlt": [{"subitem_description": "レポート番号: JAXA-SP-06-006", "subitem_description_type": "Other"}]}, "item_3_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "宇宙航空研究開発機構"}]}, "item_3_publisher_9": {"attribute_name": "出版者（英）", "attribute_value_mlt": [{"subitem_publisher": "Japan Aerospace Exploration Agency (JAXA)"}]}, "item_3_source_id_21": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "1349-113X", "subitem_source_identifier_type": "ISSN"}]}, "item_3_source_id_24": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AA11984031", "subitem_source_identifier_type": "NCID"}]}, "item_3_text_20": {"attribute_name": "その他キーワード", "attribute_value_mlt": [{"subitem_text_value": "宇宙船の推進及び出力"}]}, "item_3_text_35": {"attribute_name": "JAXAカテゴリ", "attribute_value_mlt": [{"subitem_text_value": "JAXAカテゴリ: 特別資料"}]}, "item_3_text_40": {"attribute_name": "jaxa出版物種類", "attribute_value_mlt": [{"subitem_text_value": "jaxa出版物種類: SP"}]}, "item_3_text_43": {"attribute_name": "DSpaceコレクション番号", "attribute_value_mlt": [{"subitem_text_value": "DSpaceコレクション番号: 7"}]}, "item_3_text_6": {"attribute_name": "著者所属", "attribute_value_mlt": [{"subitem_text_value": "宇宙航空研究開発機構 総合技術研究本部"}, {"subitem_text_value": "宇宙航空研究開発機構 総合技術研究本部"}, {"subitem_text_value": "宇宙航空研究開発機構 総合技術研究本部"}, {"subitem_text_value": "宇宙航空研究開発機構 総合技術研究本部"}, {"subitem_text_value": "宇宙航空研究開発機構 総合技術研究本部"}]}, "item_3_text_7": {"attribute_name": "著者所属（英）", "attribute_value_mlt": [{"subitem_text_language": "en", "subitem_text_value": "Japan Aerospace Exploration Agency Institute of 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"subitem_subject_scheme": "Other"}, {"subitem_subject": "中空陰極", "subitem_subject_scheme": "Other"}, {"subitem_subject": "イオン抽出電極", "subitem_subject_scheme": "Other"}, {"subitem_subject": "電極材料", "subitem_subject_scheme": "Other"}, {"subitem_subject": "中和器", "subitem_subject_scheme": "Other"}, {"subitem_subject": "材料劣化", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ion engine", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "spacecraft propulsion", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "electric propulsion", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "hollow cathode", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ion extraction electrode", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "electrode material", "subitem_subject_language": "en", 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