IEC 60068-2-9 AMD 1 Corrigendum 1-1989 环境试验.第2部分:试验.太阳辐射试验指南
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来源:标准资料网
【英文标准名称】:Environmentaltesting.Part2:Tests.Guidanceforsolarradiationtesting
【原文标准名称】:环境试验.第2部分:试验.太阳辐射试验指南
【标准号】:IEC60068-2-9AMD1Corrigendum1-1989
【标准状态】:作废
【国别】:国际
【发布日期】:1989-08
【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/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:辐照度;指导手册;材料试验;太阳;环境试验;太阳辐射;光线疗法;光;辐射;模拟;电气工程;试验;环境
【英文主题词】:Electricalengineering;Environment;Environmentaltesting;Guidebooks;Irradiance;Light;Materialstesting;Phototherapy;Radiation;Simulation;Solarradiation;Sun;Testing
【摘要】:ThisisAmendment1toIEC60068-2-9-1975(BasicenvironmentaltestingproceduresPart2:TestsGuidanceforsolarradiationtesting)
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforDeterminationofNeptunium-237inSoil
【原文标准名称】:土壤中镎237检测的标准指南
【标准号】:ASTMC1475-2005(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C26.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:alphaspectroscopy;americium-243;betacounting;extractionchromatography;gamma-rayspectroscopy;neptunium-239;neptunium-237determination;soilanalysis;Soil(radioactiveanalysis);Neptunium-237
【摘要】:Asoilsamplingandanalysisprogramprovidesadirectmeansofdeterminingtheconcentrationanddistributionofradionuclidesinsoil.Thepresenceandextentofneptunium-237isofparticularinterestbecauseitisoneofthemoremobiletransuranicsintermsofmigrationandplantuptake.Sincesoilisanintegratorandareservoironlong-livedradionuclides,andservesasanintermediaryinseveralpathwaysofpotentialimportancetohumans,knowledgeoftheconcentrationofneptunium-237insoilisessential.1.1Thisguidecoversthedeterminationofneptunium-237insoilbymeansofradiochemicalseparationsandalphaspectrometry.Thisguideprovidesoptionsintheselectionofsamplepreparation,separation,andmeasurement.Althoughneptunium-237isnotacomponentofglobalfallout,itisaproductofproductionreactorsandspentfuelprocessing.ThisguideisdesignedforanalysisoftengramsofsoilpreviouslycollectedandtreatedinaccordancewithPracticesC998andC999.Larger-sizesamplesofenvironmentalsoilmayalsobeanalyzed,aslongastheconcentrationsofinterferencessuchasuraniumandthoriumareatornearenvironmentalconcentrations.Dependingonthechoiceofasampledissolutionmethod,allchemicalformsofneptuniummaynotbecompletelysolubilized.Thisguideshouldallowthedeterminationofneptunium-237concentrationsfromsubbecquerelpergramlevelstoapplicablestandardsdependingoncounttime,samplesize,detectorefficiency,background,andtraceryield.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.
【中国标准分类号】:Z33
【国际标准分类号】:13_080_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:ULStandardforSafetySolid-StateControlsforAppliances
【原文标准名称】:设备的固态控制装置
【标准号】:UL244A-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003-04-30
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:电控制设备;控制装置;电路;电流负载;元部件;试验;钻模;控制
【英文主题词】:jigs;circuits;electriccontrolequipment;components;controldevices;control;currentloads;tests
【摘要】:1.1Theserequirementscovercomponentelectroniccontrolsintendedtobefactoryinstalledonorinappliancesandotherutilizationequipmentrated600Vorless,usedinordinarydrylocationsasdefinedintheNationalElectricalCode,NFPA70,andthatcomplywiththerequirementsforsuchappliancesandequipment.1.2Foracontrolcoveredbythisstandard,itisassumedthat:a)Novoltagegreaterthan600Vabovegroundwillbepresentinacontrol,b)Anisolationtransformer,ifprovided,willgenerallyfurnishpoweratalowerpotentialthantheprimaryvoltage,andc)Theoutputofthecontrolwillnotbelocatedinacircuitoperatingatgreaterthan600Vabovegroundintheend-useproduct.Ifconditionsotherthantheseareprovided,considerationshallbegiventotheneedforadditionalrequirements.
【中国标准分类号】:K32
【国际标准分类号】:29_130_99
【页数】:70P.;A4
【正文语种】:英语
