【英文标准名称】:StandardGuideforUnderstandingCyanideSpecies
【原文标准名称】:了解氰化物样品的标准指南
【标准号】:ASTMD6696-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:chemicaltechnology;terminology;cyanides;classification
【摘要】:
【中国标准分类号】:G13
【国际标准分类号】:01_040_79;71_080_99
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:Medicalelectricalequipment-CharacteristicsofdigitalX-rayimagingdevices-Determinationofthedetectivequantumefficiency-Detectorsusedinmammography
【原文标准名称】:医学电气设备.数字X射线成像设备的特性.量子检测效率的确定.乳腺X射线摄影术用检测器
【标准号】:BSEN62220-1-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:合格;数据分析;诊断设备;数字的;显示装置;电气工程;电医学;乳腺X射线摄影术;测量技术;医疗放射照相术;医疗技术学;使用条件;三次曝光照相法;精密度;辐射学;放射疗法;规范(验收);X射线图象增强器
【英文主题词】:Conformity;Dataanalysis;Definitions;Diagnosticequipment;Digital;Displayunits;Electricalengineering;Electromedicine;Mammography;Measuringtechniques;Medicalradiography;Medicaltechnology;Operatingconditions;Precision;Radiology;Radiotherapy;Specification(approval);X-rayimageintensifiers
【摘要】:ThispartofIEC62220specifiesthemethodforthedeterminationoftheDETECTIVEQUANTUMEFFICIENCY(DQE)ofDIGITALX-RAYIMAGINGDEVICESasafunctionofAIRKERMAandofSPATIALFREQUENCYfortheworkingconditionsintherangeofthemedicalapplicationasspecifiedbytheMANUFACTURER.TheintendedusersofthispartofIEC62220aremanufacturersandwellequippedtestlaboratories.ThisPart1-2isrestrictedtoDIGITALX-RAYIMAGINGDEVICESthatareusedformammographicimagingsuchasbutnotexclusively,CRsystems,directandindirectflatpaneldetectorbasedsystems,scanningsystems(CCDbasedorphoton-counting).ThispartofIEC62220isnotapplicableto–DIGITALX-RAYIMAGINGDEVICESintendedtobeusedingeneralradiographyorindentalradiography;–computedtomography;and–devicesfordynamicimaging(whereseriesofimagesareacquired,asinfluoroscopicorcardiacimaging).NOTEThedevicesnotedaboveareexcludedbecausetheycontainmanyparameters(forinstance,beamqualities,geometry,timedependence,etc.)whichdifferfromthoseimportantformammography.Someofthesetechniquesaretreatedinseparatestandards(IEC62220-1andIEC62220-1-3)ashasbeendoneforothertopics,forinstanceforspeedandcontrast,inIECandISOstandards.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:34P;A4
【正文语种】:英语