SAE AMS5904 Steel, Corrosion-Resistant, Sheet and Strip, 18Cr - 9.0Ni (SAE 30302), Cold Rolled, 1/2 Hard, 150 ksi (1034
时间:2024-05-11 11:32:37 来源: 标准资料网 作者：标准资料网 阅读：9578
Product Code:SAE AMS5904
Title:Steel, Corrosion-Resistant, Sheet and Strip, 18Cr - 9.0Ni (SAE 30302), Cold Rolled, 1/2 Hard, 150 ksi (1034 MPa) Tensile Strength
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion-resistant steel in the form of sheet and strip.
- 上一篇：SAE AMS5635 Steel, Corrosion-Resistant, Bars, Wire, and Forgings, 18Cr - 9Ni - 0.21Pb (303Pb), Free-Machining, Solution
- 下一篇：SAE AMS5903 Steel, Corrosion-Resistant, Sheet, Strip, and Plate, 18Cr - 9.0Ni (SAE 30302), Cold Rolled, 1/4 Hard, 125 ks
【英文标准名称】:Informationtechnology-CDIFsemanticmetamodel-Part2:Common
【原文标准名称】:信息技术.CDIF语义元模型.第2部分:公用
【标准号】:ISO/IEC15476-2-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:语义学;数据库语言;数据模型;数据传送;数据格式;信息交换;数据处理;铸模;CDIF;信息技术
【英文主题词】:CDIF;Dataformats;Datamodels;Dataprocessing;Datatransfer;Databaselanguages;Informationinterchange;Informationtechnology;Modelling;Semantics
【摘要】:TheCDIFfamilyofstandardsisprimarilydesignedtobeusedasadescriptionofamechanismfortransferringinformationbetweenmodellingtools.ItfacilitatesasuccessfultransferwhentheauthorsoftheimportingandexportingtoolshavenothingincommonexceptanagreementtoconformtoCDIF.Thelanguagethatisdefinedforthetransferformatalsohasapplicabilityasagenerallanguageforimport/exportfromrepositories.TheCDIFsemanticmetamodeldefinedforCASEalsohasapplicabilityasthebasisofstandarddefinitionsforuseinrepositories.ThestandardswhichformthecompletefamilyofCDIFstandardsaredocumentedinISO/IEC15474-1:2002,Informationtechnology—CDIFframework—Part1:Overview.Thesestandardscovertheoverallframework,thetransferformatandtheCDIFsemanticmetamodel.ThediagraminFigure1depictsthevariousstandardsthatcomprisetheCDIFfamilyofstandards.TheshadedboxdepictsthisStandardanditspositionintheCDIFfamilyofstandards.ThisstandarddefinestheCommonSubjectAreaoftheCDIFsemanticmetamodel.Thissubjectareacontainsmeta-objectsthatareusedasthebasisoftheothersubjectareastandards,andalsometa-relationshipsandmeta-attributesthatareapplicabletoallmeta-objects.Thisdocumentisintendedtobeusedbyanyonewishingtounderstandand/oruseCDIF.ThisdocumentprovidesadefinitionofasinglesubjectareaoftheCDIFsemanticmetamodel.Itissuitablefor:—ThoseevaluatingCDIF,—ThosewhowishtounderstandtheprinciplesandconceptsofaCDIFtransfer,and—Thosedevelopingimportersandexporters.Thisdocument,ISO/IEC15474-1:2002,Informationtechnology—CDIFframework—Part1:Overview,andtheFrameworkdocumentISO/IEC15474-2:2002,Informationtechnology—CDIFframework—Part2:Modellingandextensibility,shouldbereadfirstwheninitiallyexploringCDIFandbeforeattemptingtoreadotherdocumentsintheCDIFfamilyofstandards.Whiletherearenospecificprerequisitesforreadingthisdocument,itwillbehelpfulforthereadertohavefamiliaritywiththefollowing:—Entity-Relationship-Attributemodelling;—Modelling(CASE)tools;—Informationrepositories;—Datadictionaries;—Multiplemeta-layermodelling.
【中国标准分类号】:L70
【国际标准分类号】:35_080
【页数】:41P;A4
【正文语种】:英语
【英文标准名称】:Railwayapplications-Powerconvertorsinstalledonboardrollingstock-Part1:Characteristicsandtestmethods
【原文标准名称】:铁路设施.安装在铁路机车上的功率变换器.第1部分:特征和试验方法
【标准号】:BSEN61287-1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2007-02-28
【实施或试行日期】:2007-02-28
【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】:
【英文主题词】:
【摘要】:ThisInternationalStandardisapplicabletopowerelectronicconvertorsmountedonboardrailwayrolling-stockandintendedforsupplying–tractioncircuits;–auxiliarycircuitsofpowervehicles,coachesandtrailers.Theapplicationofthisstandardextendsasfaraspossibletoallothertractionvehicles,includingtrolley-buses,forexample.Thisstandardcoversthecompleteconvertorassemblytogetherwithitsmountingarrangementscontaining–semiconductordeviceassemblies;–integratedcoolingsystems;–componentsoftheintermediated.c.link,includinganynecessaryfiltersassociatedwiththed.c.link;–semiconductordriveunits(SDU)andrelatedsensors;–incorporatedprotectioncircuits.Thefollowingtypesofpowersourcesaretakenintoconsideration:–a.c.contactlines,–d.c.contactlines,–on-boardsuppliessuchasgenerators,batteriesandotherelectricpowersources.ThisstandardexcludesconvertorswhichprovidetheelectroniccontrolsupplyforSDUandothersuppliesrelevanttotheconvertoroperationsuchassensors.NOTEElectroniccontrolequipmentofconvertorsandthosesensorsnotrelatedtosemiconductordriveunitsandtheprintedcircuitboardassembliesofdriveunitsforpowersemiconductors(SDU)arecoveredbyIEC60571.Thisstandarddefinesterminology,serviceconditions,generalcharacteristicsandtestmethodsofelectronicpowerconvertorsonboardofrollingstock.
【中国标准分类号】:S30
【国际标准分类号】:29_200;45_060_01
【页数】:66P.;A4
【正文语种】:英语