{"created":"2021-03-01T06:51:46.336225+00:00","id":33035,"links":{},"metadata":{"_buckets":{"deposit":"93251103-dd07-417a-a7e3-61570a132600"},"_deposit":{"id":"33035","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"33035"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00033035","sets":["80:4535:4817:4825","9:504:4538:4819:4826"]},"author_link":["128800","128801","128802","128797","128798","128799"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"4万気圧までの高圧下で,固体の弾性波速度を測定する新しい方法について(第1報)"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1981-08-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"96","bibliographicPageStart":"91","bibliographicVolumeNumber":"56","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":"今までの「高圧下での弾性波速度の測定」においては,ポンプ直結型高圧装置(液圧または気体圧)が用いられるのが普通であった.そして,この種装置の制約から,その最高圧力が1万5千気圧を超える事はまれであった.それらの測定から得られた結果は,いわゆる「平均原子量-状態方程式」等の議論を通じて,地球物理学的にも,数多くの興味ある知見をもたらした.しかし,測定時の最高圧力が1万5千気圧程度という事は,地球の内部構造の研究という見地からすると,はなはだ不満足なものである.本研究では,測定の精度を犠牲にする事なく,4万気圧までの静水圧下で,固体の弾性波速度の測定を行う方法を開発したので報告する.高圧発生には,ピストン・シリンダー型装置を用いる.高圧シリンダー内で静水圧を発生させるためのテフロン液圧セル,振動子,中間導体,および試料間の構成法に,本方法の特徴がある.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"128800","nameIdentifierScheme":"WEKO"}],"names":[{"name":"藤沢, 英幸"}]},{"nameIdentifiers":[{"nameIdentifier":"128801","nameIdentifierScheme":"WEKO"}],"names":[{"name":"栗田, 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