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【英文标准名称】:Medicalelectricalequipment.CharacteristicsofdigitalX-rayimagingdevices.Determinationofthedetectivequantumefficiency
【原文标准名称】:医疗电气设备.数字X光成像设备特性.量子检测效率的确定
【标准号】:BSEN62220-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-02-02
【实施或试行日期】:2004-02-02
【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】:临床检查器械;定义(术语);诊断(医学);诊断设备;数字的;数字信号;显示装置;电气工程;电气设备;医用电气设备;电医学;电子设备及元件;医疗设备;医疗放射照相术;医疗技术学;量子效率;辐射学;放射疗法;规范(验收);术语学;X射线仪;X射线图象增强器;X射线
【英文主题词】:Clinicalinvestigationinstruments;Definitions;Diagnosis(medical);Diagnosticequipment;Digital;Digitalsignals;Displayunits;Electricalengineering;Electricalequipment;Electricalmedicalequipment;Electromedicine;Electronicequipmentandcomponents;Medicalequipment;Medicalradiography;Medicaltechnology;Quantumefficiency;Radiology;Radiotherapy;Specification(approval);Terminology;X-rayapparatus;X-rayimageintensifiers;X-rays
【摘要】:ThispartofIEC62220specifiesthemethodforthedeterminationoftheDETECTIVEQUANTUMEFFICIENCY(DQE)ofDIGITALX-RAYIMAGINGDEVICESasafunctionofexposureandofSPATIALFREQUENCYfortheworkingconditionsintherangeofthemedicalapplicationasspecifiedbytheMANUFACTURER.ThispartofIEC62220isapplicabletoprojectionDIGITALX-RAYIMAGINGDEVICESproducingIMAGESindigitalformatthatareusedformedicaldiagnosis.ItisrestrictedtoDIGITALX-RAYIMAGINGDEVICESthatareusedforradiographicimaging,suchasCRsystems,selenium-basedsystems,flatpaneldetectors,opticallycoupledCCDdetectors,anddigitalX-RAYIMAGEINTENSIFIERSusedforsingleexposures.ThispartofIEC62220isnotapplicableto-DIGITALX-RAYIMAGINGDEVICESintendedtobeusedinmammographyorindentalradiography;-COMPUTEDTOMOGRAPHY:-systemsinwhichtheX-rayfieldisscannedacrossthepatient;and-devicesfordynamicimaging(whereseriesofimagesareacquired,asinfluoroscopicorcardiacimaging).NOTEThedevicesnotedaboveareexcludedbecausetheycontainmanyparameters(forinstance,beamqualities,geometry,timedependence,etc.)whichdifferfromthoseimportantforgeneralradiography.Itisintendedtotreatsomeofthesetechniquesinseparatestandardsashasbeendoneforothertopics,forinstanceforspeedandcontrast,inIECandISOstandards.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:32P;A4
【正文语种】:英语


【英文标准名称】:Genericcablingsystems-SpecificationforthetestingofbalancedcommunicationcablinginaccordancewithEN50173-Part1:Installedcabling(IEC61935-1:2000);GermanversionEN61935-1:2000+Corrigendum2001
【原文标准名称】:通用布线系统.根据EN50173对平衡通信布线进行检验的规范.第1部分:电缆敷设
【标准号】:DINEN61935-1-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-08
【实施或试行日期】:2001-08-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);试验;传输特性;规范;试验设备;安装;电气工程;定义;电缆;电缆敷设;布线;环境试验;电气试验;通信电缆;耐力;装置;环境条件;设计;总规范;现场试验;插接件连接
【英文主题词】:
【摘要】:
【中国标准分类号】:P91
【国际标准分类号】:33_120_10
【页数】:61P;A4
【正文语种】:德语