您的位置: 标准下载 » 协会标准 » IEC 国际电工委员会 »

IEC 61262-5-1994 医用电气设备光电X射线影像增强器特性第5部分:次量子系数的测定

作者:标准资料网 时间:2024-05-14 13:38:05  浏览:8822   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Medicalelectricalequipment-Characteristicsofelectro-opticalX-rayimageintensifiers-Part5:Determinationofthedetectivequantumefficiency
【原文标准名称】:医用电气设备光电X射线影像增强器特性第5部分:次量子系数的测定
【标准号】:IEC61262-5-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC62B
【标准类型】:()
【标准水平】:()
【中文主题词】:医疗技术学;X射线图象增强器;X射线仪;图像增强器;电气工程;电医学
【英文主题词】:Amplifiertubes;Definitions;Detectors(circuits);Electricalengineering;Electricalmedicalequipment;Electromedicine;Electronoptics;Electron-optical;Fluorescentscreens;Imageintensifiers;Inspection;Measuringinstruments;Measuringtechniques;Medicalequipment;Medicalradiography;Medicaltechnology;Nominaldiameters;Qualityassurance;Quantumefficiency;Radiology;Sensitivity;Specification(approval);Testing;Tubes;X-ray;X-rayapparatus;X-rayimageintensifiers;X-raytechnique;X-rays
【摘要】:Appliestoelectro-opticalX-rayimageintensifiersformedicaluse,ascomponentsofdiagnosticX-rayequipment.Describesamethodofdeterminingthedetectivequantumefficiency(DQE)ofX-rayimageintensifiersbyanalysisofthesinglegamma-raypho
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:35P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Windingwires-Testmethods-Determinationofdimensions
【原文标准名称】:绕组线.试验方法.尺寸规格测定
【标准号】:BSEN60851-2-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-01-31
【实施或试行日期】:2010-01-31
【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】:尺寸测量;尺寸;电线;电气工程;绝缘线;测量;测量技术;矩形;试验设备;试验;绕组线;绕组;线材
【英文主题词】:Dimensionalmeasurement;Dimensions;Electricwires;Electricalengineering;Insulatedwires;Measurement;Measuringtechniques;Rectangular;Testequipment;Testing;Windingwires;Windings;Wires
【摘要】:ThispartofIEC60851specifiesthefollowingmethodoftest:–Test4:Dimensions.Fordefinitions,generalnotesonmethodsoftestandthecompleteseriesofmethodsoftestforwindingwires,seeIEC60851-1.
【中国标准分类号】:K11
【国际标准分类号】:29_060_10
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:Soilquality-Samplingofsoilinvertebrates-Part3:Samplingandsoilextractionofenchytraeids
【原文标准名称】:土质.土壤无脊椎动物的抽样.第3部分:线蚓的取样和土壤萃取
【标准号】:ISO23611-3-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-05
【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/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:生物指示剂;生物分析和试验;群落生境;化学危害;土壤组分;稳定性(机械特性);污染;定义;测定;生态学;萃取;无脊椎动物;实验室器皿;露天;生物体;户外;污染物;污染控制;抽样方法;土壤污染;土壤普查;土壤;测试;水常规
【英文主题词】:Bio-indicators;Biologicalanalysisandtesting;Biotope;Chemicalhazards;Compositionoftheground;Consistency(mechanicalproperty);Contamination;Definitions;Determination;Ecology;Extraction;Invertebrates;Laboratoryware;Openair;Organisms;Outdoor;Pollutants;Pollution;Pollutioncontrol;Samplingmethods;Soilpollution;Soilsurveys;Soils;Testing;Waterpractice
【摘要】:ThispartofISO23611specifiesamethodforsampling,handlingandextractingenchytraeidsfromterrestrialfieldsoilsasaprerequisiteforusingtheseanimalsasbioindicators(e.g.toassessthequalityofasoilasahabitatfororganisms).BasicinformationontheecologyofenchytraeidsandtheiruseasbioindicatorsintheterrestrialenvironmentareincludedintheBibliography.ThispartofISO23611appliestoallterrestrialbiotopesinwhichenchytraeidsoccur.ThesamplingdesignoffieldstudiesingeneralisspecifiedinISO10381-1.Thesedetailscanvaryaccordingtotheclimatic/regionalconditionsofthesitetobesampledandanoverviewonthedeterminationofeffectsofpollutantsonenchytraeidsinfieldsituationsisgiveninReference[6].Methodsforsomeothersoilorganismgroupssuchasearthwormsormicro-arthropodsarespecifiedinISO23611-1andISO23611-2.ThispartofISO23611isnotapplicableforsemi-terrestrial(i.e.livinginorclosetothepurewater)soilsandmightbedifficulttouseunderextremeclimaticorgeographicalconditions(e.g.inhighmountains).Whensamplingsoilinvertebrates,itishighlyrecommendabletocharacterizethesite(e.g.concerningclimateandlanduse).However,suchacharacterizationisnotcoveredbythispartofISO23611.ISO10390,ISO10694,ISO11272,ISO11274,ISO11277,ISO11461andISO11465aremoresuitableformeasuringpH,particlesizedistribution,C/Nratio,organiccarboncontentandwaterholdingcapacity.
【中国标准分类号】:B10
【国际标准分类号】:13_080_05;13_080_30
【页数】:12P;A4
【正文语种】:英语