{"created":"2021-03-01T06:52:50.636928+00:00","id":33998,"links":{},"metadata":{"_buckets":{"deposit":"dea2f4cb-107a-4091-859c-d33c9b6b9ced"},"_deposit":{"id":"33998","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"33998"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00033998","sets":["80:4535:5047:5048","9:504:4538:5049:5050"]},"author_link":["132575","132574"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"地磁気ダイナモに於ける磁場の生長"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1956-03-30","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"582","bibliographicPageStart":"571","bibliographicVolumeNumber":"33","bibliographic_titles":[{"bibliographic_title":"東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]},"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":"An investigation is attempted in order to see whether or not the earth's dynamo can grow from a state of zero field. The dynamo considered by E. C. Bullard and H. Gellman seems likely to grow, the rate of the growth being also obtained. A period of about 104 years is required in order to have a field e times of the initial one.","subitem_description_type":"Abstract"},{"subitem_description":"Bullard-Gellmanおよび竹内-島津等によつて求められて来た地球核内のダイナモの零磁場状態に微小磁場を与えた時,その微小磁場が生長するか否かを検討した.ある定常ダイナモを形成し得ると考えられる流体運動に対しては,微小磁場の生長が確かめられ,初期値のe倍に生長するのに104年かかることがわかつた.つまりこのような流体運動は磁場を増幅する作用を有することになる.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"132575","nameIdentifierScheme":"WEKO"}],"names":[{"name":"力武, 常次"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000033998","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学地震研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162258","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00408972","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"453","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Rikitake, Tsuneji"}],"nameIdentifiers":[{"nameIdentifier":"132574","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":"2017-06-27"}],"displaytype":"detail","filename":"ji0334004.pdf","filesize":[{"value":"618.7 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0334004.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/33998/files/ji0334004.pdf"},"version_id":"c522df2b-a04c-4c74-8ed3-6db371554314"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"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":"Growth of the Magnetic Field of the Self-exciting Dynamo in the Earth's Core","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Growth of the Magnetic Field of the Self-exciting Dynamo in the Earth's Core","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["5048","5050"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"33998","relation_version_is_last":true,"title":["Growth of the Magnetic Field of the Self-exciting Dynamo in the Earth's Core"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T05:29:43.315937+00:00"}