{"_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"], "permalink_uri": "https://repo.qst.go.jp/records/43258", "pubdate": {"attribute_name": "公開日", "attribute_value": "2003-11-10"}, "publish_date": "2003-11-10", "publish_status": "0", "recid": "43258", "relation": {}, "relation_version_is_last": true, "title": ["Distribution of Electron Density Using Dual-Energy X-Ray CT"], "weko_shared_id": -1}