DIN 66068-2-1989 童车.儿童体育运动车.婴儿背袋.检验
时间:2024-05-11 23:44:04 来源: 标准资料网 作者：标准资料网 阅读：8485
【英文标准名称】:Prams,push-chairs,carrycots;testmethods
【原文标准名称】:童车.儿童体育运动车.婴儿背袋.检验
【标准号】:DIN66068-2-1989
【标准状态】:作废
【国别】:德国
【发布日期】:1989-03
【实施或试行日期】:1989-03-01
【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】:便携式帆布床;试验;婴儿用品;检验;童车;椅状婴儿车
【英文主题词】:pushchairs;testing;carrycots;perambulators;inspection;babyequipment
【摘要】:
【中国标准分类号】:Y57
【国际标准分类号】:97_190
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:StandardSpecificationforAlloy-SteelandStainlessSteelBoltingforLow-TemperatureService
【原文标准名称】:低温作业用合金钢和不锈钢螺栓标准规格
【标准号】:ASTMA320/A320M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:A01.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:附加元素;奥氏体不锈钢
【英文主题词】:additionalelements;austeniticstainlesssteel
【摘要】:1.1Thisspecificationcoversalloysteelboltingforpressurevessels,valves,flanges,andfittingsforlow-temperatureservice.SeeSpecificationforthedefinitionofbolting.Thebarsshallbehot-wroughtandmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybesolutionannealedorannealedandstrain-hardened.Whenstrainhardenedausteniticstainlesssteelisordered,thepurchasershouldtakespecialcaretoensurethatAppendixX1isthoroughlyunderstood.1.2Severalgradesarecovered,includingbothferriticandausteniticsteelsdesignatedL7,B8,etc.Selectionwilldependondesign,serviceconditions,mechanicalproperties,andlow-temperaturecharacteristics.ThemechanicalrequirementsofTable1indicatethediametersforwhichtheminimummechanicalpropertiesapplytothevariousgradesandclasses,andTable2stipulatestherequirementsforCharpyimpactenergyabsorption.Themanufacturershoulddeterminethatthematerialcanconformtotheserequirementsbeforepartsaremanufactured.Forexample,whenGradeL43isspecifiedtomeettheTable2impactenergyvaluesatx2212;150x00B0;F[x2212;101x00B0;C],additionalrestrictions(suchasprocuringasteelwithlowerPandScontentsthanmightnormallybesupplied)inthechemicalcompositionforAISI4340arelikelytoberequired.Note18212;Thecommitteeformulatingthisspecificationhasincludedseveralgradesofmaterialthathavebeenratherextensivelyusedforthepresentpurpose.Othercompositionswillbeconsideredforinclusionbythecommitteefromtimetotimeastheneedbecomesapparent.Usersshouldnotethathardenabilityofsomeofthegradesmentionedmayrestrictthemaximumsizeatwhichtherequiredmechanicalpropertiesareobtainable.1.3Thefollowingreferencedgeneralrequirementsareindispensableforapplicationofthisspecification:Specification.1.4NutsforusewithboltingarecoveredinSection10andthenutmaterialshallbeimpacttested.1.5SupplementaryRequirementsareprovidedforuseattheoptionofthepurchaser.Thesupplementaryrequirementsshallapplyonlywhenspecifiedinthepurchaseorderorcontract.
【中国标准分类号】:
【国际标准分类号】:21_060_01;77_080_20
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Radio-frequencyconnectors.Part40:Sectionalspecificationfor2.4seriesRFconnectors
【原文标准名称】:射频连接器.第40部分:2.4系列射频连接器分规范
【标准号】:IEC61169-40-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-11-01
【实施或试行日期】:2010-11-01
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC80
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cables;Coaxialconnectors;Connectoredjoints;Dimensioning;Dimensions;Dutyseries;Electricplugs;Electricalengineering;Evaluations;High-frequencyengineering;Inspection;Interfaces(dataprocessing);Qualityassurance;Radiofrequencycables;Radiofrequencyconnectors;Radio-frequencyplugs;Sectionalspecification
【摘要】:ThispartofIEC61169providesinformationandrulesforpreparationofdetailspecificationof2.4seriesR.Fconnectorstogetherwiththepro-formablankdetailspecification.The2.4seriesthreadmatedconnectorswithcharacteristicimpedance50Ωareusedformillimeterwaveapplications,connectingwithRFcablesormicrostrips.Theoperatingfrequencylimitisupto50GHz.Theseconnectorscanbeintermatedwith1,85mm(IEC61169-32andIEEE287-2007)connectors.Italsoprescribesmatingfacedimensionsforhighperformanceconnectorsgrade1,dimensionaldetailofstandardtestconnectorsgrade0,gauginginformationandtestsselectedfromIEC61169-1applicabletoalldetailspecificationsrelatingto2.4seriesRFconnectors.ThisspecificationindicatesrecommendedperformancecharacteristicstobeconsideredwhenwritingadetailspecificationanditcoverstestschedulesandinspectionrequirementsforassessmentlevelsMandH.
【中国标准分类号】:L23
【国际标准分类号】:33_120_30
【页数】:54P.;A4
【正文语种】: