ASTM C 1262-1996 评定制造混凝土砖石构件和有关混凝土构件冷冻和解冻寿命的标准试验方法
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【英文标准名称】:StandardTestMethodforEvaluatingtheFreeze-ThawDurabilityofManufacturedConcreteMasonryUnitsandRelatedConcreteUnits
【原文标准名称】:评定制造混凝土砖石构件和有关混凝土构件冷冻和解冻寿命的标准试验方法
【标准号】:ASTMC1262-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:冷冻;耐久性;吸收;砌块;压缩试验;集料;混凝土;试验;冷冻和解动;结构混凝土;结构混凝土砖石;相关混凝土建筑单元;解动稳定性;水泥
【英文主题词】:absorption;cement;freeze;freezingandthawing;manufacturedconcrete;manufacturedconcretemasonry;relatedconcreteunits;thawdurability;compressiontesting;durability;masonryunits;concrete;test;aggr
【摘要】:
【中国标准分类号】:Q72
【国际标准分类号】:91_080_40
【页数】:
【正文语种】:英语
【英文标准名称】:Geographicinformation-Schemaforcoveragegeometryandfunctions(ISO19123:2005);EnglishversionENISO19123:2007
【原文标准名称】:地理信息.覆盖率的几何与函数用模型
【标准号】:DINENISO19123-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-06
【实施或试行日期】:
【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】:坐标系(地理);覆盖率;数据描述;数据处理;数据表示;数据传送;定义;英语;特点;功能;大地测量学;地理信息;地理学;地球空间信息学;几何学;格栅体系;信息;信息处理;模型;屏蔽;拓扑学;向量(数学)
【英文主题词】:
【摘要】:ThisInternationalStandarddefinesaconceptualschemaforthespatialcharacteristicsofcoverages.Coveragessupportmappingfromaspatial,temporalorspatiotemporaldomaintofeatureattributevalueswherefeatureattributetypesarecommontoallgeographicpositionswithinthedomain.Acoveragedomainconsistsofacollectionofdirectpositionsinacoordinatespacethatmaybedefinedintermsofuptothreespatialdimensionsaswellasatemporaldimension.Examplesofcoveragesincluderasters,triangulatedirregularnetworks,pointcoveragesandpolygoncoverages.Coveragesaretheprevailingdatastructuresinanumberofapplicationareas,suchasremotesensing,meteorologyandmappingofbathymetry,elevation,soilandvegetation.ThisInternationalStandarddefinestherelationshipbetweenthedomainofacoverageandanassociatedattributerange.Thecharacteristicsofthespatialdomainaredefinedwhereasthecharacteristicsoftheattributerangearenotpartthisstandard.
【中国标准分类号】:L67
【国际标准分类号】:35_240_70
【页数】:75P.;A4
【正文语种】:英语
【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
