【英文标准名称】:InformationtechnologyAbstractSyntaxNotationOne(ASN.1):SpecificationofbasicnotationAdoptedbyINCITS;Amendment210/15/2000
【原文标准名称】:信息技术.抽象语法记法1(ASN.1):INCITS采用的基本记法规范.修改件210/15/2000
【标准号】:ANSIISO/IEC8824-1-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ProvidesastandardnotationcalledAbstractSyntaxNotationOne(ASN.1)thatisusedforthedefintionofdatatypes,values,andconstraintsondatatypes.ThisRecommendation/InternationalStandarddefinesanumberofsimpletypes,withtheirtags,andspecifiesanotationforreferencingthesetypesandforspecifyingvaluesofthesetypes;definesmechanismsforconstructingnewtypesfrommorebasictypes,andspecifiesanotationfordefiningsuchtypesandassigningthemtags,andforspecifyingvaluesofthesetypes;definescharactersets(byreferencetootherRecommendationsand/orInternationalStandards)forusewithinASN.1;definesanumberofusefultypes(usingASN.1),whichcanbereferencedbyusersofASN.1;TheASN.1notationcanbeappliedwheneveritisnecessarytodefinetheabstractsyntaxofinformation.Itisparticularly,butnotexclusively,applicabletoapplicationprotocols.TheASN.1notationisreferencedbyotherstandardswhichdefineencodingrulesfortheASN.1types.
【中国标准分类号】:L74
【国际标准分类号】:35_100_60
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforQualificationandApprovalofNewAviationTurbineFuelsandFuelAdditives
【原文标准名称】:鉴定和批准新的航空涡轮燃料和燃料添加剂的标准实施规程
【标准号】:ASTMD4054-2009
【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】:D02.J0.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:additiveevaluation;additivequalification;alternativefuels;approvalprotocol;ASTM;fueladditives;fuelevaluation;fuelqualification;jetfuel;materialcompatibility;Aviationfuels;Aviationturbinefuels;Compatibility--petroleumproducts
【摘要】:Theintentofthisdocumentistostreamlinetheapprovalprocess.Theobjectiveistopermitanewfueloradditivetobeevaluatedandtransitionedintofielduseinacosteffectiveandtimelymanner.Itspurposeistoguidethesponsorofanewfuelornewfueladditivethroughaclearlydefinedapprovalprocessthatincludestheprerequisitetestingandrequiredinteractionswiththeengineandairframemanufacturers;standardsorganizations;andairworthinessagenciessuchastheFAAandEASA.Thispracticeprovidesabasisforcalculatingthevolumeofadditiveorfuelrequiredforassessment,insightintothecostassociatedwithtakinganewfuelornewfueladditivethroughtheapprovalprocess,andaclearpathforwardforintroducinganewtechnologyforthebenefitoftheaviationcommunity.1.1Thispracticecoversandprovidesaframeworkforthequalificationandapprovalofnewfuelsandnewfueladditivesforuseincommercialandmilitaryaviationgasturbineengines.Thepracticewasdevelopedasaguidebytheaviationgas-turbineengineOriginalEquipmentManufacturers(OEMs)withASTMInternationalmembersupport.TheOEMsaresolelyresponsibleforapprovalofafueloradditiveintheirrespectiveenginesandairframes.Forthepurposeofthisguide,x201C;approvalx201D;meansx201C;permissiontouse;x201D;itisnotanendorsementofanykind.StandardsorganizationssuchasASTMInternational(SubcommitteeD02.J0),UnitedKingdomMinistryofDefence,andtheU.S.militarylistonlythosefuelsandadditivesthataremutuallyacceptabletoallOEMs.ASTMInternationalandOEMparticipationintheevaluationorapprovalproceduredoesnotconstituteanendorsementofthefueloradditive.1.2TheOEMswillconsideranewfueloradditivebasedonanestablishedneedorbenefitattributedtoitsuse.UponOEMandregulatoryauthorityapproval,thefuelorfueladditivemaybelistedinfuelspecificationssuchasPrattx0026;Whitney(Px0026;W)ServiceBulletinNo.2016;GeneralElectricAviation(GE)SpecificationNo.D50TF2;andRollsRoyce(RR)enginemanuals.SubsequenttoOEMapprovalandindustry(ASTM)reviewandballot,thefuelorfueladditivemaybelistedinfuelspecificationssuchasSpecificationD1655,DefenceStandard91-91,UnitedStatesAirForceMIL-DTL-83133,andtheUnitedStatesNavyMIL-DTL-5624.Thisqualificationandapprovalprocesshasbeencoordinatedwithairworthinessandcertificationgroupswithineachcompany,theFederalAviationAdministration(FAA),andtheEuropeanAviationSafetyAgency(EASA).1.3UnitsofmeasurethroughoutthispracticearestatedinInternationalSystemofUnits(SI)unlessthetestmethodspecifiesnon-SIunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:
【页数】:27P.;A4
【正文语种】:英语