【英文标准名称】:Determinationofthefreeze-thawresistanceofautoclavedaeratedconcrete;GermanversionEN15304:2007
【原文标准名称】:高压加气混凝土的抗冻结-解冻的测定
【标准号】:DINEN15304-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-08
【实施或试行日期】:
【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】:加气混凝土;气候试验;抗压强度;混凝土;建筑;施工材料;露;干散密度;霜;耐霜冻性;霜冻-解冻交互式试验;质量损耗;数学计算;测量;含水量;特性;耐力;试样;测试
【英文主题词】:Aeratedconcretes;Climatictests;Compressivestrength;Concretes;Construction;Constructionmaterials;Dew;Drybulkdensity;Frost;Frostresistance;Frost-thawresistance;Masslosser;Mathematicalcalculations;Measurement;Moisturecontents;Properties;Resistance;Testspecimens;Testing
【摘要】:Thisdocumentspecifiesamethodofdeterminingthefreeze-thawresistanceofautoclavedaeratedconcretemanufacturedaccordingtoprEN12602orEN771-4.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:17P.;A4
【正文语种】:德语


【英文标准名称】:StandardGuideforDataFieldsforComputerizedTransferofDigitalUltrasonicTestingData
【原文标准名称】:数字超声波测试数据的计算机传送用数据段的标准指南
【标准号】:ASTME1454-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:E07.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:database;dataretrieval;datastorage;guide;nondestructivetesting;ultrasonicexamination;ultrasonicimage;Archivalstorage/retrieval;Computerizedsystems;Dataanalysis--computerized;Digitalelectronicdata;Electronicdata;Informationsto
【摘要】:Theprimaryuseofthisguideistoprovideastandardizedapproachforthedatafiletobeusedforthetransferofdigitalultrasonicdatafromoneusertoanotherwherethetwousersareworkingwithdissimilarultrasonicsystems.Thisguidedescribesthecontents,bothrequiredandoptional,foranintermediatedatafilethatcanbecreatedfromthenativeformatoftheultrasonicsystemonwhichthedatawascollectedandthatcanbeconvertedintothenativeformatofthereceivingultrasonicordataanalysissystem.Thedevelopmentoftranslatorsoftwaretoaccomplishthesedataformatconversionsisbeingaddressedunderaseparateeffort;thiswillincludespecificitemsneededforthedatatransfer,forexample,languageused,memoryrequirementsandintermediatespecification,includingdetaileddataformatsandstructures.Thsguidewillalsobeusefulinthearchivalstorageandretrievalofultrasonicdataaseitheradataformatspecifierorasaguidetothedataelementsthatshouldbeincludedinthearchivalfile.Althoughtherecommendedfieldlistingincludesmorethan120items,onlyaboutonethirdofthoseareregardedasessentialandmarkedwithFootnoteCinTable1.Fieldssomarkedmustbeaddressedinthedatabase.Theotherrecommendedfieldsprovideadditionalinformationthatauserwillfindhelpfulinunderstandingtheultrasonicexaminationresult.Theseheaderfielditemswill,inmostcases,makeuponlyaverysmallpartofanultrasonicexaminationfile.Theactualstreamofultrasonicdatathatmakeuptheimagewilltakeupthelargestpartofthedatabase.Sinceanultrasonicimagefilewillnormallybelarge,theconceptofdatacompressionwillbeconsideredinmanycases.Compresseddatashouldbenoted,alongwithadescriptionofthecompressionmethod,asindicatedinFieldNo.122.Thisguidedescribesthestructureofadatafileforalloftheultrasonicinformationcollectedinasinglescan.Somesystemsrecordmultipleinspectionresultsduringasinglescan.Forexample,throughtransmissionattenuationdataaswellaspulseechothicknessdatamayberecordedatthesametime.Thesedatamaybestoredinseparateimageplanes;seeFieldNo.102.Inothersystems,completedigitizedwaveformsmayberecordedateachinspectionpoint.Itisrecognizedthatthecompleteexaminationrecordmaycontainseveralfiles,forexample,forthesameexaminationmethodindifferentobjectareas,withorwithoutimageprocessing,fordifferentexaminationmethods(through-transmission,pulse-echo,radiologic,infrared,etc.)collectedduringthesameorduringdifferentscansessions,andforvariationswithinasinglemethod(frequencychange,etc.).Informationabouttheexistenceofotherimages/examinationrecordsfortheexaminedobjectshouldbenotedintheappropriatefields.Asingleimageplanemaybeonecreatedbyoverlayingorprocessingresultsformultipleexaminationapproaches,forexampledatafusion.Forsuchimages,thenotessectionsmustclearlystatehowtheimageforthisfilewascreated.TABLE1FieldListingFieldNumberAFieldNameandDescriptionDataType/UnitsBHeaderInformation:

1C
Intermediatefilename
Alphanumericstring