【英文标准名称】:Photography-Sensitometryofscreen/filmsystemsformedicalradiography-Determinationofsensitometriccurveshape,speedandaveragegradientformammography
【原文标准名称】:摄影.医用放射照相用屏蔽/胶片系统的感光测定.感光曲线形状,速度和乳腺X射线照相术平均梯度的测定
【标准号】:BSISO9236-3-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-04-15
【实施或试行日期】:1999-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定义(术语);乳腺X射线摄影术;医疗放射照相术;摄影胶片;摄影;射线摄影胶片;辐射摄影术;感光度;感光测定;规范(验收);试验
【英文主题词】:Definition;Definitions;Mammography;Medicalradiography;Photographicfilm;Photography;Radiographicfilm;Radiography;Sensitivitytolights;Sensitometry;Specification(approval);Testing
【摘要】:ThispartofISO9236specifiesmethodsfordeterminationofthesensitometriccurveshape,averagegradientandspeedofasinglesampleofascreen/film/filmholder/processingsysteminmammography.Thefilmholdermaybeanymeanswhichensuresclosescreen/filmcontactandpreventsthefilmfrombeingexposedtoambientlight.Inparticular,thefilmholdermaybealight-tightvacuumbag,asoftenusedinthelaboratory,oraradiographiccassetteasusedinmammography.NOTE—Hereafter,screen/film/filmholdercombinationswillbereferredtoas"combinations",andwillbereferredtoas"systems"whentheprocessingisincluded.
【中国标准分类号】:C43
【国际标准分类号】:37_040_25
【页数】:24P.;A4
【正文语种】:英语