【英文标准名称】:Photography.Sensitometryofscreen/filmsystemsformedicalradiography.Determinationofsensitometriccurveshape,speedandaveragegradient
【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,速度和平均梯度的测定
【标准号】:BSISO9236-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-02-12
【实施或试行日期】:2004-02-12
【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】:角(几何学);不精确的;曲率;曲线;定义(术语);显影设备;显影;诊断;诊断(医学);曝光时间;胶片处理;胶片感光度;影片;渐变;图解法;高频发电机;辐照时间;数学计算;测量;测量不确定度;测量结果;测量技术;医疗放射照相术;医学放射学;医学科学;方法;摄影设备;摄影胶片;摄影;光线疗法;辐射;射线摄影胶片;辐射摄影术;辐射学;银幕;灵敏度;感光度;感光测定;规范(验收);系统;试样;试验
【英文主题词】:Angles(geometry);Coarse;Curvature;Curves(geometry);Definitions;Developingequipment(photography);Developing(photography);Diagnosis;Diagnosis(medical);Exposuretime;Filmprocessings;Filmspeeds;Films;Gradients;Graphicalmethods;High-frequencygenerators;Irradiationtime;Mathematicalcalculations;Measurement;Measuringincertainity;Measuringresults;Measuringtechniques;Medicalradiography;Medicalradiology;Medicalsciences;Methods;Photographicequipment;Photographicfilm;Photography;Phototherapy;Radiation;Radiographicfilm;Radiography;Radiology;Screens(projection);Sensitivity;Sensitivitytolights;Sensitometry;Specification(approval);Systems;Testspecimens;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】:G81
【国际标准分类号】:37_040_25
【页数】:30P.;A4
【正文语种】:英语


Product Code:SAE AMS4434
Title:Magnesium Alloy Castings, Sand, 9.0Al - 2.0Zn (AZ92-T6) Solution and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a magnesium alloy in the form of sand castings.