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BS ISO/IEC 15475-1-2003 信息技术.CDIF传输格式.句法和编码的一般规则

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【英文标准名称】:Informationtechnology-CDIFtransferformat-Generalrulesforsyntaxesandencodings
【原文标准名称】:信息技术.CDIF传输格式.句法和编码的一般规则
【标准号】:BSISO/IEC15475-1-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-02-07
【实施或试行日期】:2003-02-07
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据处理;信息技术;CDIF;信息交换;数据库语言;编码;传输格式;句法
【英文主题词】:CDIF;Dataprocessing;Databaselanguages;Encoding;Informationinterchange;Informationtechnology;Syntax;Transmissionformat
【摘要】:TheCDIFfamilyofstandardsisprimarilydesignedtobeusedasadescriptionofamechanismfortransferringinformationbetweenmodellingtools.ItfacilitatesasuccessfultransferwhentheauthorsoftheimportingandexportingtoolshavenothingincommonexceptanagreementtoconformtoCDIF.ThelanguagethatisdefinedfortheTransferFormatalsohasapplicabilityasagenerallanguageforImport/Exportfromrepositories.TheCDIFSemanticMetamodeldefinedformodellingtoolsalsohasapplicabilityasthebasisofstandarddefinitionsforuseinrepositories.Thestandards,whichformthecompletefamilyofCDIFStandards,aredocumentedinISO/IEC15474-1:2002,Informationtechnology—CDIFframework—Part1:Overview.Thesestandardscovertheoverallframework,thetransferformatandtheCDIFSemanticMetamodel.ThediagraminFigure1depictsthevariousstandardsthatcomprisetheCDIFfamilyofstandard.TheshadedboxdepictsthisStandardanditspositionintheCDIFfamilyofstandard.ThisdocumentdescribesthewaythatCDIFmetamodelsareconcretelyrepresentedduringatransferandthewaythatCDIFsupportsmultipleexchangesyntaxesandencodings.Nospecificexchangesyntaxesorencodingsaredescribedinthisdocument.ISO/IEC15475-2:2002,Informationtechnology—CDIFtransferformat—Part2:SyntaxSYNTAX.1andISO/IEC15475-3:2002,Informationtechnology—CDIFtransferformat—Part3:EncodingENCODING.1.defineonespecificCDIFsyntaxandonespecificCDIFencoding.Thisdocumentisintendedtobeusedbyanyonewishingtounderstandand/oruseCDIF.ThisdocumentprovidesanintroductiontotheentireCDIFfamilyofstandard.Itissuitablefor:—ThoseevaluatingCDIF,—ThosewhowishtounderstandtheprinciplesandconceptsofaCDIFtransfer,and—Thosedevelopingimportersandexporters.ThedocumentsISO/IEC15474-1:2002,Informationtechnology—CDIFframework—Part1:OverviewandISO/IEC15474-2:2002,Informationtechnology—CDIFframework—Part2:ModellingandextensibilityshouldbereadfirstwheninitiallyexploringCDIFandbeforeattemptingtoreadotherdocumentsintheCDIFfamilyofstandard.Whiletherearenospecificprerequisitesforreadingthisdocument,itwillbehelpfulforthereadertohavefamiliaritywiththefollowing:—Entity-Relationship-Attributemodelling;—Modelling(CASE)tools;—Informationrepositories;—Datadictionaries;—Multiplemeta-layermodelling;—Formalgrammars;—Transferformats.
【中国标准分类号】:L70
【国际标准分类号】:35_080
【页数】:24P;A4
【正文语种】:英语


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【英文标准名称】:StandardGuideforUseofSpectralSearchingbyCurveMatchingAlgorithmswithDataRecordedUsingMid-infraredSpectroscopy
【原文标准名称】:利用中红外光谱学用带数据记录的曲线配合算法寻找光谱的使用的标准指南
【标准号】:ASTME2310-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E13.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:数据;曲线;光谱的;红外线光谱法;配合;记录;算法
【英文主题词】:infrared;searchalgorithms;spectralsearch;spectroscopy
【摘要】:1.1Spectralsearchingistheprocesswherebyaspectrumofanunknownmaterialisevaluatedagainstalibrary(database)ofdigitallyrecordedreferencespectra.Thepurposeofthisevaluationisclassificationoftheunknownand,wherepossible,identificationoftheunknown.Spectralsearchingisintendedasascreeningmethodtoassisttheanalystandisnotanabsoluteidentificationtechnique.Spectralsearchingisnotintendedtoreplaceanexpertininfraredspectroscopy.Spectralsearchingshouldnotbeusedwithoutsuitabletraining.1.2TheuserofthisdocumentshouldbeawarethattheresultsofaspectralsearchcanbeaffectedbythefollowingfactorsdescribedinSection:(1)Baselines,(2)samplepurity,(3)Absorbancelinearity(BeersLaw),(4)samplethickness,(5)sampletechniqueandpreparation,(6)physicalstateofthesample,(7)wavenumberrange,(8)spectralresolution,and(9)choiceofalgorithm.1.2.1Manyotherfactorscanaffectspectralsearchingresults.1.3Thescopeofthisdocumentistoprovideaguidefortheuseofsearchalgorithmsformid-infraredspectroscopy.Themethodsdescribedhereinmaybeapplicabletotheuseofthesealgorithmsforothertypesofspectroscopicdata,buteachtypeofdatasearchshouldbeassessedseparately.1.4TheEuclideandistancealgorithmandthefirstderivativeEuclideandistancealgorithmaredescribedandtheirusediscussed.Thetheoryandcommonassumptionsmadewhenusingsearchalgorithmsarealsodiscussed,alongwithguidelinesfortheuseandinterpretationofthesearchresults.
【中国标准分类号】:A43
【国际标准分类号】:71_040_50
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:BrakingPerformance-RollerCompactors
【原文标准名称】:碾压机的制动性能
【标准号】:ANSI/SAEJ1472-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车工程;制动器;制动系统;压实工具;控制系统;滚筒;土方机械;滚柱;压实机;停车距离
【英文主题词】:Automotiveengineering;Brakes;Brakingsystems;Compactors;Controlsystems;Cylinders;Earth-movingequipment;Rollers;Rollers(compactors);Stoppingdistances
【摘要】:ThisSAEStandardspecifiesbrakesystemperformanceandtestcriteriatoenableuniformevaluationofthebrakingcapabilityofself-propelled,ride-onvibratorysteelwheel,staticsteelwheel,andrubber-tirerollercompactorswithmaximumlevelsurfacemachinespeedsof25km/horless.Service,secondary,andparkingbrakesareincluded.Machineswithmaximumlevelsurfacemachinespeedsgreaterthan25km/hshallconformtotherequirementsofSAEJ/ISO3450.
【中国标准分类号】:P97
【国际标准分类号】:43_040_40;53_100
【页数】:
【正文语种】:英语