{"created":"2023-05-15T14:40:36.651380+00:00","id":55718,"links":{},"metadata":{"_buckets":{"deposit":"af991bc1-e3b4-4e3a-9914-18534a598566"},"_deposit":{"created_by":1,"id":"55718","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"55718"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00055718","sets":["7"]},"author_link":["570139","570133","570138","570135","570137","570134","570130","570140","570141","570136","570131","570132"],"item_10004_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2010-12","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"NIRS-M-237","bibliographicPageEnd":"12","bibliographicPageStart":"8","bibliographicVolumeNumber":"2010","bibliographic_titles":[{"bibliographic_title":"放射線医学総合研究所技術報告書"}]}]},"item_10004_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"放射線医学総合研究所のＸ線棟に設置されているTITAN 320型Ｘ線発生装置を用いた生物体照射などの多くの実験には、200kVの管電圧のＸ線が使われている。この装置からの一次Ｘ線スペクトルは測定されていないが、最も単純に線質を表す物理量として半価層（HVL）がある。TITAN 320型Ｘ線発生装置に準備されている付加フィルター類の半価層を測定して、実効エネルギーを算定した。一方、アルミニウムと銅の厚さの異なる付加フィルターを通過した空気カーマの測定結果が、Birch and Marshall[1]のスペクトル計算式から算定した空気カーマと良く合うことを報告した[2]。従って、200kVのＸ線の線質を表す実効エネルギーを、半価層の測定とスペクトルの計算値から算出して比較検討した。\n線量関係の測定として、生物照射などが行われている位置での空気カーマの絶対線量の測定には応用技研製のAE-130L、c-110ファーマ型電離箱を用いている。しかし低エネルギー特性を改善するため、付加フィルターを通過後の空気カーマの測定はPrecision Radiation Measurement社のLC-0.8平行平板型電離箱でおこなった。50〜300ｋVの管電圧の付加フィルターを入れない時、60cmのFocus-Surface Distance (FSD)における空気カーマを測定した。また、シャッター開閉による線量への誤差も評価した。","subitem_description_type":"Abstract"}]},"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":"平岡, 武"}],"nameIdentifiers":[{"nameIdentifier":"570130","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"三井, 大輔"}],"nameIdentifiers":[{"nameIdentifier":"570131","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"酢屋, 徳啓"}],"nameIdentifiers":[{"nameIdentifier":"570132","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"石川, 剛弘"}],"nameIdentifiers":[{"nameIdentifier":"570133","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"濱野, 毅"}],"nameIdentifiers":[{"nameIdentifier":"570134","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"今関, 等"}],"nameIdentifiers":[{"nameIdentifier":"570135","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"平岡 武","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"570136","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"三井 大輔","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"570137","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"酢屋 徳啓","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"570138","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"石川 剛弘","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"570139","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"濱野 毅","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"570140","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"今関 等","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"570141","nameIdentifierScheme":"WEKO"}]}]},"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":"article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"200kVＸ線の線質と線量の評価","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"200kVＸ線の線質と線量の評価"}]},"item_type_id":"10004","owner":"1","path":["7"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-02-25"},"publish_date":"2011-02-25","publish_status":"0","recid":"55718","relation_version_is_last":true,"title":["200kVＸ線の線質と線量の評価"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T22:46:12.871497+00:00"}