【英文标准名称】:VHFair-groundandair-airDigitalLink(VDL)Mode4radioequipment-Technicalcharacteristicsandmethodsofmeasurementforaeronauticalmobile(airborne)equipment-Part4:Point-to-pointfunctions(EndorsementoftheEnglishversionEN302842-4V1.2
【原文标准名称】:VHF空对地和空对空数字链接(VDL)4模无线电设备的技术特性和航空移动(空运)设备的测量方法.第4部分:点对点功能(英文版本EN302842-4V1.的核准本
【标准号】:EN302842-4-.2.2
【标准状态】:现行
【国别】:
【发布日期】:2011-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aerospacetransport;Airtransport;Aircraftradio;Communicationtechnology;Digital;Digitalconnections;Electricalengineering;Electromagneticcompatibility;Informationprocessing;Measuringtechniques;Radiosystems;Telecommunication;Telecommunications;Testing;VHF
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_060_20
【页数】:2P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforAlloy-SteelandStainlessSteelBoltingforHighTemperatureorHighPressureServiceandOtherSpecialPurposeApplications
【原文标准名称】:高压或高温设备以及其他特殊用途用合金钢和不锈钢螺栓组件的标准规范
【标准号】:ASTMA193/A193M-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:alloysteelbars;alloysteelbolting;fasteners;hardness;heattreatment;stainlesssteelbolting;Alloysteelboltingmaterials--specifications;High-temperatureserviceapplications--steelboltingapplications;Stainlesssteelboltingmaterials--spe
【摘要】:1.1Thisspecificationcoversalloyandstainlesssteelboltingforpressurevessels,valves,flanges,andfittingsforhightemperatureorhighpressureservice,orotherspecialpurposeapplications.SeeSpecificationforthedefinitionofbolting.Barsandwireshallbehot-wroughtandmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybecarbidesolutiontreatedorcarbidesolutiontreatedandstrain-hardened.Whenstrainhardenedausteniticsteelisordered,thepurchasershouldtakespecialcaretoensurethatAppendixX1isthoroughlyunderstood.1.2Severalgradesarecovered,includingferriticsteelsandausteniticstainlesssteelsdesignatedB5,B8,andsoforth.Selectionwilldependupondesign,serviceconditions,mechanicalproperties,andhightemperaturecharacteristics.1.3Thefollowingreferencedgeneralrequirementsareindispensableforapplicationofthisspecification:Specification.Note18212;Thecommitteeformulatingthisspecificationhasincludedfifteensteeltypesthathavebeenratherextensivelyusedforthepresentpurpose.Othercompositionswillbeconsideredforinclusionbythecommitteefromtimetotimeastheneedbecomesapparent.Note28212;Forgradesofalloy-steelboltingsuitableforuseatthelowerrangeofhightemperatureapplications,referenceshouldbemadetoSpecificationA354.Note38212;Forgradesofalloy-steelboltingsuitableforuseinlowtemperatureapplications,referenceshouldbemadetoSpecificationA320/A320M.1.4NutsforusewithboltingarecoveredinSection14.1.5SupplementaryRequirementsareprovidedforuseattheoptionofthepurchaser.Thesupplementaryrequirementsshallapplyonlywhenspecifiedinthepurchaseorderorcontract.1.6Thisspecificationisexpressedinbothinch-poundunitsandinSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMspecificationdesignation(SIunits),theinch-poundunitsshallapply.1.7ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:J13
【国际标准分类号】:77_080_20
【页数】:13P.;A4
【正文语种】:英语