IEC 61275-1997 辐射防护仪表环境中放射性核素的测量使用锗探测器的现场光子光谱测定系统

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【英文标准名称】:Radiationprotectioninstrumentation-Measurementofdiscreteradionuclidesintheenvironment-Insituphotonspectrometrysystemusingagermaniumdetector
【原文标准名称】:辐射防护仪表环境中放射性核素的测量使用锗探测器的现场光子光谱测定系统
【标准号】:IEC61275-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC45B
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱测定法;放射性核素;锗探测器;辐射测量;辐射防护;仪器装置
【英文主题词】:radiationprotection;radiationmeasurement;germaniumdetectors;instrumentation;spectrometry;radionuclides
【摘要】:ThisInternationalStandardisapplicabletoaportableortransportablephotonspectrometryassemblyusingagermanium(Ge)detectortosurvey,insitu,generallyat1mabovegroundlevel,areasintheenvironmentfordiscreteradionuclides.Suchequipmentisusedtomakerapidassessmentsofactivitylevelsandcorrespondingfreeairexposureratesfromphotonemittingradionuclides.Suchmeasurementsmaybeusedtodevelopguidanceforsubsequentfollow-onaction,forexampleincludingradiologicalassessments,samplingandmonitoringprogrammes.(Thisstandarddoesnotapplytoairbornemeasurementsystems,whicharecoveredbyaseparatestandard.SeeIEC61134.)Thisstandardspecifiesforsuchanassemblythegeneralcharacteristics,testmethodsfortheevaluationofradiationcharacteristics,electrical,mechanical,safetyandenvironmentalcharacteristicsspecifictotheapplicationsdescribedabove.Adviceisalsoprovidedinannexesastothecalibration,appropriateuseandinterpretationofthesystemforinsitumeasurements.Aninsituspectrometrysystemisacombinationofinstrumentsorsubassembliesdesignedtomeasure,insitu,thefluxofgammaraysincidentonthedetector,inordertorapidlysurveyareasfordiscreteradionuclidespresentinthesoilorair,eithernaturalormanmade.Thepurposeofthisstandardistospecifytheperformancecharacteristicsofassembliesintendedforthedeterminationofsurfacesoilactivity.Accordingly,thisstandarda)specifiesthefunctionsandperformancecharacteristicsofmeasuringassemblies,andb)specifiesthemethodsoftesttobeusedtodeterminecompliancewiththerequirementsofthisstandard.
【中国标准分类号】:F84
【国际标准分类号】:13_280;17_240
【页数】:28P;A4
【正文语种】:英语

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下一篇: IEEE 299-1997 测量电磁屏蔽有效性的标准方法

【英文标准名称】:Nonelectricaltestmethodsforlowvoltageelectriccables
【原文标准名称】:低压电缆的非电气特性试验方法
【标准号】:BSEN50396-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-11-14
【实施或试行日期】:2005-11-14
【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】:电缆护套;电缆;色码;通信电缆;传播技术;尺寸;电气工程;扁形双芯电线;绝缘;低电压;低压电缆;低压技术;作标记;测量;测量技术;非电子的;额定电压;耐力;规范;规范(验收);材料强度;表面绝缘电阻;试验;型式;壁厚
【英文主题词】:Abrasiontests;Alternatingbendingtest;Bendtesting;Cablesheaths;Cables;Colourcodes;Communicationcables;Communicationtechnology;Dimensions;Electriccables;Electricalcords;Electricalengineering;Electricalinsulatingmaterials;Electricalsafety;Extensibleleads;Flattwincables;Insulated;Insulatedcables;Insulatingcoverings;Insulations;Lowvoltage;Low-tensioncables;Low-voltagetechnology;Marking;Measurement;Measuringtechniques;Multi-corecables;Multi-wire;Non-electrical;Ozoneresistance;Polyvinylchloride;Powerlines;Ratedvoltage;Resistance;Single-corecables;Specification;Specification(approval);Specimenpreparation;Strengthofmaterials;Surfaceinsulationresistance;Surfaces;Tearresistance;Testing;Testingrequirements;Thermalstability;Types;Wallthicknesses
【摘要】:EN50396containsnon-electricaltestmethodsrequiredforthetestingofharmonizedlowvoltageenergycables,especiallythoseratedatuptoandincluding450/750V.NOTE1AdescriptionoftheoriginofthesetestmethodsandofthebackgroundtotheENaregivenintheIntroductionandAnnexA.Theparticularcablestandarddictatesthetestswhichneedtobeperformedontherelevantcabletype.Italsospecifieswhetherthespecifictestisatypetest(T),asampletest(S)oraroutinetest(R)fortheparticularcabletype.NOTE2T,SandRaredefinedintherelevantcablestandard.Therequirementstobemetduringorafterthetestarespecifiedfortheparticularcabletypeintherelevantcablestandard.However,sometestrequirementsareobviousanduniversal,suchasthefactthatnocracksshalloccurduringozonetest,andthesearestatedintheparticulartestmethod.TestmethodsforusespecificallyinutilitypowercablesarenotcoveredbythisEN.TheycanbefoundinHD605.TestmethodsforusespecificallyincommunicationscablesaretheresponsibilityofCENELECTC46X.AtpresentsuchtestmethodsaregiveninEN50289(series).
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:48P.;A4
【正文语种】:英语

Product Code:SAE MA2298
Title:Fitting, Elbow, 90掳, Bulkhead Beam Seal, Metric
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.