DIN 51576-2003 矿物油碳氢化合物的测试.盐含量的测定

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【英文标准名称】:Electromagneticcompatibility(EMC)-Productstandardformeasuringrelaysandprotectionequipment;GermanversionEN50263:1999
【原文标准名称】:电磁兼容性(EMC).继电器和保护设备测量用产品标准
【标准号】:DINEN50263-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-08
【实施或试行日期】:2000-08-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量技术;触点继电器;定义;工业;力学;材料的机械性能;电气工程;静态的;精密度;产品标准;干扰辐射;热应力;额定值;测量继电器;试验;干扰抑制;规范(验收);测量;保护设备;定义;极限(数学);继电器;电磁兼容性;电磁兼容性;量值继电器;电气保护设备;热的;检验
【英文主题词】:Contactrelays;Definitions;Electricalengineering;Electricalprotectionequipment;Electromagneticcompatibility;EMC;Industries;Inscription;Inspection;Interferencerejections;Interferingemissions;Limits(mathematics);Measurement;Measuringrelays;Measuringtechniques;Mechanic;Mechanicalpropertiesofmaterials;Precision;Productstandards;Protectiondevices;Ratings;Relays;Specification(approval);Standards;Static;Testing;Thermal;Thermalstress
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:29_120_70;33_100_01
【页数】:11P.;A4
【正文语种】:德语


【英文标准名称】:StandardGuideforPreparationofWorkingReferenceMaterialsforUseinAnalysisofNuclearFuelCycleMaterials
【原文标准名称】:核燃料循环材料分析用操作参考材料的制备的标准指南
【标准号】:ASTMC1128-2001(2008)
【标准状态】:现行
【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(US-ASTM)
【起草单位】:C26.08
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:certifiedreferencematerial(CRM);characterization;documentation;package;referencematerial(RM);Containers;Dataanalysis--nuclear;Hazardousmaterials(environmental);Labels/labeling;Nuclearfuels(reactor);Nuclearmaterials/applications;Q
【摘要】:Certifiedreferencematerials(CRMs)preparedfromnuclearmaterialsaregenerallyofhighpurity,possessingchemicalstabilityorreproduciblestoichiometry.Usuallytheyarecertifiedusingthemostunbiasedandprecisemeasurementmethodsavailable,oftenwithmorethanonelaboratorybeinginvolvedinmakingcertificationmeasurements.CRMsaregenerallyusedonanationalorinternationallevel,andtheyareatthetopofthemetrologicalhierarchyofreferencematerials.AgraphicalrepresentationofanationalnuclearmeasurementsystemisshowninFig.3.Workingreferencematerials(WRMs)needtohavequalitycharacteristicsthataresimilartoCRMs,althoughtherigorusedtoachievethosecharacteristicsisnotusuallyasstringentasforCRMs.Wherepossible,CRMsareoftenusedtocalibratethemethodsusedforestablishingtheconcentrationvalues(referencevalues)assignedtoWRMs,thusprovidingtraceabilitytoCRMsasrequiredbyISO17025.AWRMisnormallypreparedforaspecificapplication.Becauseoftheimportanceofhavinghighlyreliablemeasurementdatafromnuclearmaterials,particularlyforcontrolandaccountabilitypurposes,CRMsaresometimesusedforcalibrationwhenavailable.However,CRMspreparedfromnuclearmaterialsarenotalwaysavailableforspecificapplications.Thus,theremaybeaneedforalaboratorytoprepareWRMsfromnuclearmaterials.Also,CRMsareoftentooexpensive,ortheirsupplyistoolimitedforuseinthequantitiesneededforlong-term,routineuse.Whenproperlyprepared,WRMswillserveequallywellasCRMsformostapplications,andusingWRMswillpreservesuppliesofCRMs.DifficultiesmaybeencounteredinthepreparationofRMsfromnuclearmaterialsbecauseofthechemicalandphysicalpropertiesofthematerials.Chemicalinstabilities,problemsinensuringstoichiometry,andradioactivityarefactorsinvolved,withallthreefactorsbeinginvolvedwithsomematerials.ThosepreparingWRMsfromnuclearmaterialsmustbeawareofhowthesefactorsaffectpreparation,aswellasbeingawareoftheothercriteriagoverningthepreparationofreliableWRMs.1.1Thisguidecoversthepreparationandcharacterizationofworkingreferencematerials(WRM)thatareproducedbyalaboratoryforitsownuseintheanalysisofnuclearmaterials.GuidanceisprovidedforestablishingtraceabilityofWRMstocertifiedreferencematerialsbyadefinedcharacterizationprocess.Theguidanceprovidedisgeneric;itisnotspecificforagivenmaterial.1.2Theinformationprovidedbythisguideisfoundinthefollowingsections:
Section
Planning
6
Preparation
7
PackagingandStorage
8
Characterization
9
StatisticalAnalysis
10
Documentation
11