IEC 61189-2-1997 电气材料、互连结构和组装的试验方法第2部分:互连结构用材料的试验方法
作者:标准资料网 时间:2024-05-20 04:35:19 浏览:9933
来源:标准资料网
【英文标准名称】:Testmethodsforelectricalmaterials,interconnectionstructuresandassemblies-Part2:Testmethodsformaterialsforinterconnectionstructures
【原文标准名称】:电气材料、互连结构和组装的试验方法第2部分:互连结构用材料的试验方法
【标准号】:IEC61189-2-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:互连接;印制电路板;样品;外观检查(试验);电气工程;精密度;系统论;试样制备;电子设备及元件;印制电路;环境试验;溶解;材料试验;尺寸控制;汇编;化学性质;组装件;电气试验;机械试验;电气元件;试验
【英文主题词】:
【摘要】:ThispartofIEC61189isacatalogueoftestmethodsrepresentingmethodologiesandproceduresthatcanbeappliedtotestmaterialsusedformanufacturinginterconnectionstructures(printedboards)andassemblies.
【中国标准分类号】:K04
【国际标准分类号】:31_190
【页数】:139P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforPolymericPiles
【原文标准名称】:聚合物桩木的标准规范
【标准号】:ASTMD7258-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:axialload-bearingpile;composite;fenderpile;lateralload-bearingpile;piles;polymeric
【摘要】:1.1Thisspecificationaddressestheuseofroundandrectangularcross-sectionpolymericpilesinaxialandlateralload-bearingapplications,includingbutnotlimitedtomarine,waterfront,andcorrosiveenvironments.1.2Thisspecificationisonlyapplicabletoindividualpolymericpileproducts.Sheetpileandothermechanicallyconnectedpolymericpileproductsusinginter-lockingsystems,arenotpartofthisspecification.1.3Thepilingproductsconsideredhereinarecharacterizedbytheuseofpolymers,whereby(1)thepilestrengthorstiffnessrequirestheinclusionofthepolymer,or(2)aminimumoffiftypercent(50%)oftheweightorvolumeisderivedfromthepolymer.ThetypeclassificationsofpolymericpilesdescribedinSection4showhowtheycanbereinforcedbycompositedesignforincreasedstiffnessorstrength.1.4Thisspecificationcoverspolymericpilesfabricatedfrommaterialsthatarevirgin,recycled,orboth,aslongasthefinishedproductmeetsallofthecriteriaspecifiedherein.Diversetypesandcombinationsofinorganicfillersystemsarepermittedinthemanufacturingofpolymericpilingproducts.Inorganicfillersincludesuchmaterialsastalc,mica,silica,wollastonite,calciumcarbonate,etc.Pilingsareoftenplacedinservicewheretheywillbesubjectedtocontinuousdamporwetexposureconditions.Duetoconcernsofwatersensitivityandpossibleaffectsonmechanicalpropertiesinsuchserviceconditions,organicfillers,includinglignocellulosicmaterialssuchasthosemadeorderivedfromwood,woodflour,flaxshive,ricehulls,wheatstraw,andcombinationsthereof,arenotpermittedinthemanufacturingofpolymericpilingproducts.1.5Thevaluesarestatedininch-poundunitsasthesearecurrentlythemostcommonunitsusedbytheconstructionindustry.1.6PolymericpilesunderthisspecificationaredesignedusingdesignstressesdeterminedinaccordancewithTestMethodsD6108,D6109,andD6112andprocedurescontainedwithinthisspecificationunlessotherwisespecified.1.7Althoughinsomeinstancesitwillbeanimportantcomponentofthepiledesign,frictionalpropertiesarecurrentlybeyondthescopeofthisdocument.1.8Criteriafordesignareincludedaspartofthisspecificationforpolymericpiles.CertainTypesandsizesofpolymericpileswillbebettersuitedforsomeapplicationsthanothers.PolymericpilesdesignedandmanufacturedunderthedifferentTypeclassificationsasdefinedwithinthisspecificationwill,asawhole,exhibitawide-rangeofmechanicalproperties.Forexample,a10-in.diameterTypeII,choppedglassfiberreinforcedhigh-densitypolyethylene(HDPE)pilewilllikelyhaveanapparentstiffnessmuchdifferentthana10-in.diameterTypeV,glassfiberreinforcedcompositetubefilledwithconcrete.Similarly,theultimatemomentcapacityofthesetwoexamplepileswillalsolikelybesignificantlydifferentfromeachother.UseofalicensedProfessionalEngineeris,therefore,highlyrecommendedfordesigningandselectingpolymericpilesinaccordancewiththisspecification.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoknownISOequivalenttothisspecification.
【中国标准分类号】:G33
【国际标准分类号】:83_140_99
【页数】:17P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-8-bitsingle-bytecodedgraphiccharactersets-LatinalphabetNo.3
【原文标准名称】:信息技术.8位单字节编码图形字符集.3号拉丁字母
【标准号】:BSISO/IEC8859-3-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-04-15
【实施或试行日期】:1999-04-15
【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】:字节;图形显示字符;字母表;拉丁字符;数据处理;名称与符号;字符集;代码表示;代码字符集;信息交流;数据表示
【英文主题词】:
【摘要】:ThispartofISO/IEC8859specifiesasetof184codedgraphiccharactersidentifiedasLatinalphabetNo.3.Thissetofcodedgraphiccharactersisintendedforuseindataandtextprocessingapplicationsandalsoforinformationinterchange.Thesetcontainsgraphiccharactersusedforgeneralpurposeapplicationsintypicalofficeenvironmentsinatleastthefollowinglanguages:EsperantoandMaltese,andifneededinconjunc-tionwiththese,English,French(withrestrictions,seeAnnexA.1,Notes),German,Italian,LatinandPortuguese.CodingofTurkishcharactersusingthispartisdeprecated,thatspecifiedinpart9istobeused.Thissetofcodedgraphiccharactersmayberegardedasaversionofan8-bitcodeaccordingtoISO/IEC2022orISO/IEC4873atlevel1.ThispartofISO/IEC8859maynotbeusedinconjunctionwithanyotherpartsofISO/IEC8859.Ifcodedcharactersfrommorethanonepartaretobeusedtogether,bymeansofcodeextensiontechniques,theequivalentcodedcharactersetsfromISO/IEC10367shouldbeusedinsteadwithinaversionofISO/IEC4873atlevel2orlevel3.ThecodedcharactersinthissetmaybeusedinconjunctionwithcodedcontrolfunctionsselectedfromISO/IEC6429.However,controlfunctionsarenotusedtocreatecompositegraphicsymbolsfromtwoormoregraphiccharacters(seeclause6).NOTE-ISO/IEC8859isnotintendedforusewithTelematicservicesdefinedbyITU-T.IfinformationcodedaccordingtoISO/IEC8859istobetransferredtosuchservices,itwillhavetoconformtotherequirementsofthoseservicesattheaccess-point.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:18P;A4
【正文语种】:英语
