【英文标准名称】:Photography-Sensitometryofscreen/filmsystemsformedicalradiography-Part1:Determinationofsensitometriccurveshape,speedandaveragegradient
【原文标准名称】:摄影.医用放射照相用屏蔽/胶片系统.第1部分:感光曲线形状、速度和平均梯度的测定
【标准号】:ISO9236-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC42
【标准类型】:()
【标准水平】:()
【中文主题词】:医疗放射照相术;辐射摄影术;摄影胶片;射线摄影胶片;试验;摄影;定义;感光度;感光测定;规范(验收)
【英文主题词】:Coarse;Curves(geometry);Definitions;Diagnosis;Filmprocessings;Filmspeeds;Films;Gradients;High-frequencygenerators;Irradiationtime;Mathematicalcalculations;Measurement;Measuringincertainity;Measuringresults;Measuringtechniques;Medicalradiography;Medicalradiology;Medicalsciences;Methods;Photographicfilm;Photography;Phototherapy;Radiation;Radiographicfilm;Radiography;Radiology;Sensitivity;Sensitivitytolights;Sensitometry;Specification(approval);Systems;Testing
【摘要】:ThispartofISO9236specifiesmethodsforthedeterminationofthesensitometriccurveshape,averagegradientandspeedofasinglesampleofascreen/film/filmholder/processingsystemformedicalradiography.Itisnotapplicabletospecialradiographicapplicationssuchasmammography,dentalradiographyanddirect-exposingmedicalradiographicsystems(seeforexampleISO5799).Thefilmholdercanbeanymeansthatensuresclosescreen/filmcontactandpreventsthefilmfrombeingexposedtoambientlight.Inparticular,thefilmholdercanbealight-tightvacuumbag,asoftenusedinthelaboratory,oraradiographiccassetteasusedinmedicalradiography.
【中国标准分类号】:C43
【国际标准分类号】:37_040_25
【页数】:20P;A4
【正文语种】:英语