{"created":"2023-05-15T14:33:21.478366+00:00","id":43258,"links":{},"metadata":{"_buckets":{"deposit":"8d1ff331-a7f9-4087-b835-eccd4e57a2ae"},"_deposit":{"created_by":1,"id":"43258","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"43258"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00043258","sets":["1"]},"author_link":["430311","430305","430310","430314","430306","430308","430313","430312","430309","430307"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"5","bibliographicPageEnd":"1682","bibliographicPageStart":"1678","bibliographicVolumeNumber":"50","bibliographic_titles":[{"bibliographic_title":"IEEE Transactions on Nuclear Science"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Knowledge of electron densities for materials is important for treatment planning for proton and heavier-ion radiotherapy. In order to obtain the electron densities with high precision, we have developed dual-energy x-ray computed tomography using synchrotron radiation. Two monochromatic x-rays with different energies generated from synchrotron radiation enables tomographic imaging which produces a cross sectional image based on electron density plus an additional image based on effective atomic number. Experiments for the dual-energy x-ray CT were made on the BL20B2 beamline at SPring-8. An image intensifier system and a CCD camera were used as the 2D detectors. The measured electron densities were agreement to within 2 % of the theoretical ones. Electron density and effective atomic number provide different contrast in images. Dual-energy x-ray CT can be used for quantitative measurement of the material.","subitem_description_type":"Abstract"}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0018-9499","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tsunoo, Takanori"}],"nameIdentifiers":[{"nameIdentifier":"430305","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Torikoshi, Masami"}],"nameIdentifiers":[{"nameIdentifier":"430306","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sasaki, Makoto"}],"nameIdentifiers":[{"nameIdentifier":"430307","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Endo, Masahiro"}],"nameIdentifiers":[{"nameIdentifier":"430308","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yagi, Naoto"}],"nameIdentifiers":[{"nameIdentifier":"430309","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Uesugi, Kentaro"}],"nameIdentifiers":[{"nameIdentifier":"430310","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"角尾 卓紀","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"430311","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"取越 正己","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"430312","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"佐々木 誠","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"430313","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"遠藤 真広","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"430314","nameIdentifierScheme":"WEKO"}]}]},"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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Distribution of Electron Density Using Dual-Energy X-Ray CT","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Distribution of Electron Density Using Dual-Energy X-Ray CT"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2003-11-10"},"publish_date":"2003-11-10","publish_status":"0","recid":"43258","relation_version_is_last":true,"title":["Distribution of Electron Density Using Dual-Energy X-Ray CT"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-16T00:29:26.330709+00:00"}