{"created":"2021-03-01T06:38:55.780655+00:00","id":21319,"links":{},"metadata":{"_buckets":{"deposit":"0bc188f0-9a93-4cdd-9eaf-f17b5151ef45"},"_deposit":{"id":"21319","owners":[],"pid":{"revision_id":0,"type":"depid","value":"21319"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00021319","sets":["171:1108:1750:1768","9:504:1111:1752:1769"]},"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"An Improvement on the Reliability of Scientific Balloons."}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1975-04-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"158","bibliographicPageStart":"153","bibliographicVolumeNumber":"27","bibliographic_titles":[{"bibliographic_title":"生産研究"}]}]},"item_4_description_13":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"高圧ポリエチレン・フィルムで作った大型気球は，科学観測の有力な一手段であるが，風速の早いジエット気流層を上昇中，往々突然破壊落下する．その原因は，激しく，衝撃的に気球が叩がれたり，揉まれたりするが，他方，初期の球皮フィルムは，力学的直交異方性が強く，低温での二軸延伸性が不足しているためと考えられる．筆者はロックーン以来のこの課題について，昭和41年以降年間数十台の科学観測気球が，製作放球されるのを機会に．フィルムの成形に，従来，全くその概念の用ひられていなかった縦横加工比を導入，フィルムの強い異方性を年々改良した．その結果，気球の上空破壊率は，極めて良い対応を示し，遂に零に低下した．また生研に，新しい極点図形測定装置が設けられたの機に，念願のフィルムの結晶配向を測定し，予測通りの結果を得た．","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"110124","nameIdentifierScheme":"WEKO"}],"names":[{"name":"OKAMOTO, Satoshi"}]}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学生産技術研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00127075","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0037105X","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"500","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Institute of Industrial Science. University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学生産技術研究所　第2部　機械工学"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岡本, 智"}],"nameIdentifiers":[{"nameIdentifier":"110123","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-26"}],"displaytype":"detail","filename":"sk027004001.pdf","filesize":[{"value":"739.2 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"sk027004001.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/21319/files/sk027004001.pdf"},"version_id":"7b8a9c19-1d55-4a01-a42c-167b32dbac2f"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"研究解説 : 科学観測気球の信頼性の向上","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"研究解説 : 科学観測気球の信頼性の向上"}]},"item_type_id":"4","owner":"1","path":["1768","1769"],"pubdate":{"attribute_name":"公開日","attribute_value":"2010-04-07"},"publish_date":"2010-04-07","publish_status":"0","recid":"21319","relation_version_is_last":true,"title":["研究解説 : 科学観測気球の信頼性の向上"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-19T03:59:33.146868+00:00"}