{"created":"2023-06-19T09:12:54.646023+00:00","id":24828,"links":{},"metadata":{"_buckets":{"deposit":"acb68429-139e-4183-82f9-690c53cf9a18"},"_deposit":{"created_by":1,"id":"24828","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"24828"},"status":"published"},"_oai":{"id":"oai:kumadai.repo.nii.ac.jp:00024828","sets":["413:443"]},"author_link":["111727","134261","111726","111718","111717","111716","111719","111725"],"item_16_alternative_title_22":{"attribute_name":"その他の言語のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"SIMPLE APPROXIMATION METHOD FOR DETERMINING FIELD FACTORS AND TISSUE-PEAP RATIOS OF IRREGULARLY SHAPED FIELDS"}]},"item_16_alternative_title_23":{"attribute_name":"タイトル（ヨミ）","attribute_value_mlt":[{"subitem_alternative_title":"カンタンナ キンジホウ ニ ヨル フセイケイ ショウシャヤ ノ ショウシャヤ ケイスウ TPR ノ ケイサン"}]},"item_16_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1991-04-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"642","bibliographicPageStart":"637","bibliographicVolumeNumber":"47","bibliographic_titles":[{"bibliographic_title":"日本放射線技術學會雜誌"}]}]},"item_16_creator_3":{"attribute_name":"別言語の著者","attribute_type":"creator","attribute_value_mlt":[{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"荒木, 不次男","creatorNameLang":"ja"},{"creatorName":"アラキ, フジオ","creatorNameLang":"ja-Kana"},{"creatorName":"Araki, Fujio","creatorNameLang":"en"}],"familyNames":[{"familyName":"荒木","familyNameLang":"ja"},{"familyName":"アラキ","familyNameLang":"ja-Kana"},{"familyName":"Araki","familyNameLang":"en"}],"givenNames":[{"givenName":"不次男","givenNameLang":"ja"},{"givenName":"フジオ","givenNameLang":"ja-Kana"},{"givenName":"Fujio","givenNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"134261","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kumagai, Kozo"}],"nameIdentifiers":[{"nameIdentifier":"111725","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Iseri, Takumi"}],"nameIdentifiers":[{"nameIdentifier":"111726","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kawano, Tsutomu"}],"nameIdentifiers":[{"nameIdentifier":"111727","nameIdentifierScheme":"WEKO"}]}]},"item_16_description_17":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_16_description_46":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"論文(Article)","subitem_description_type":"Other"}]},"item_16_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"Dose calculations of irregularly shaped fields can be made by the Clarkson technique, which, however requires considerable time and is thus not practical. We investigated a simple approximation method for determining field factors (F_A) and tissue-peak ratios (TPRs) for irregularly shaped fields. By this method, we approximated scatter dose by the ratio of area for an irregularly shaped field to that for the overall field (without blocking). Maximum error of equivalent square fields as determined by this method for irregularly shaped fields was-1.3% for field factors, +2.1% for TPRs and +1.4% for the F_A×TPRs.","subitem_description_type":"Other"}]},"item_16_description_77":{"attribute_name":"URL","attribute_value_mlt":[{"subitem_description":"http://ci.nii.ac.jp/naid/110003467903","subitem_description_type":"Other"}]},"item_16_publisher_36":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"公益社団法人日本放射線技術学会"}]},"item_16_relation_16":{"attribute_name":"情報源(ISSN)","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"03694305"}]}]},"item_16_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"公益社団法人日本放射線技術学会"}]},"item_16_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00197784","subitem_source_identifier_type":"NCID"}]},"item_16_subject_20":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"492.4","subitem_subject_scheme":"NDC"}]},"item_16_text_18":{"attribute_name":"形態","attribute_value_mlt":[{"subitem_text_value":"462479 bytes"}]},"item_16_text_47":{"attribute_name":"資源タイプ・ローカル","attribute_value_mlt":[{"subitem_text_value":"雑誌掲載論文"}]},"item_16_text_48":{"attribute_name":"資源タイプ・NII","attribute_value_mlt":[{"subitem_text_value":"Journal Article"}]},"item_16_text_49":{"attribute_name":"資源タイプ・DCMI","attribute_value_mlt":[{"subitem_text_value":"text"}]},"item_16_text_50":{"attribute_name":"資源タイプ・ローカル表示コード","attribute_value_mlt":[{"subitem_text_value":"01"}]},"item_16_text_78":{"attribute_name":"コメント","attribute_value_mlt":[{"subitem_text_value":"本文データは学協会の許諾に基づきCiNiiから複製したものである"},{"subitem_text_value":"荒木不次男\n現：熊本大学医学部保健学科教授（医用画像学）"}]},"item_16_version_type_19":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"荒木, 不次男"}],"nameIdentifiers":[{"nameIdentifier":"111716","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"熊谷, 孝三"}],"nameIdentifiers":[{"nameIdentifier":"111717","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"井芹, 卓見"}],"nameIdentifiers":[{"nameIdentifier":"111718","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"河野, 孟"}],"nameIdentifiers":[{"nameIdentifier":"111719","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":"2020-03-02"}],"displaytype":"detail","filename":"110003467903.pdf","filesize":[{"value":"462.5 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"110003467903.pdf","url":"https://kumadai.repo.nii.ac.jp/record/24828/files/110003467903.pdf"},"version_id":"e3029600-5ece-44a7-8de8-a70135260b69"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"irregularly shaped field","subitem_subject_scheme":"Other"},{"subitem_subject":"scattered radiation","subitem_subject_scheme":"Other"},{"subitem_subject":"equivalent square field","subitem_subject_scheme":"Other"}]},"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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"簡単な近似法による不整形照射野の照射野係数, TPR の計算","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"簡単な近似法による不整形照射野の照射野係数, TPR の計算"}]},"item_type_id":"16","owner":"1","path":["443"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-06-22"},"publish_date":"2011-06-22","publish_status":"0","recid":"24828","relation_version_is_last":true,"title":["簡単な近似法による不整形照射野の照射野係数, TPR の計算"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-09-04T23:52:55.121744+00:00"}