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DIN ETS 300392-10-13-2000 地面主干线广播(TETRA).语音加数据(V+D).第10部分:补充服务1级.第13子部分:占线用户的呼叫结束(英文版本核准本ETS300392-10-13:1999作为德国标准)

作者:标准资料网 时间:2024-05-17 13:08:49  浏览:8437   来源:标准资料网
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【英文标准名称】:TerrestialTrunkedRadio(TETRA)-VoiceplusData(V+D)-Part10:Supplementaryservicesstage1;Sub-part10-13:Callcompletiontobusysubscriber(EndorsementoftheEnglishversionETS300392-10-13:1999asGermanstandard)
【原文标准名称】:地面主干线广播(TETRA).语音加数据(V+D).第10部分:补充服务1级.第13子部分:占线用户的呼叫结束(英文版本核准本ETS300392-10-13:1999作为德国标准)
【标准号】:DINETS300392-10-13-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-05
【实施或试行日期】:
【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】:无线通信业务;无线电广播网;数据传送;地面集群广播;语音传输;重新呼叫;补充业务;无线电设备;电信;电信;呼叫
【英文主题词】:Calls;Datatransfer;Radioequipment;Radionetworks;Recalls;Speechtransmission;Supplementaryservices;Telecommunication;Telecommunications;TETRA;Wirelesscommunicationservices
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M60
【国际标准分类号】:33_070_10
【页数】:1P;A4
【正文语种】:德语


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【英文标准名称】:Paintsandvarnishes-Determinationofhidingpower-Part3:Determinationofcontrastratiooflight-colouredpaintsatafixedspreadingrate(ISO6504-3:2006);EnglishversionofDINENISO6504-3:2007-05
【原文标准名称】:涂料和清漆.遮盖力的测定.第3部分:以固定扩展速率测定浅色涂料的对比率
【标准号】:ENISO6504-3-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-05
【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】:涂层材料;涂层厚度;涂层;对比率;定义;测定;遮盖力;不透明度;光学测量;涂料;抽样方法;测试;清漆
【英文主题词】:Coatingmaterials;Coatingthickness;Coatings;Contrastratio;Definition;Definitions;Determination;Hidingpower;Maskingpower;Opacity;Opticalmeasurement;Paints;Samplingmethods;Testing;Varnishes
【摘要】:
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:15P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforEstimationofNetHeatofCombustionofAviationFuels
【原文标准名称】:航空燃料燃烧净热值的评价的标准试验方法
【标准号】:ASTMD4529-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:航空燃料;试验;石油产品
【英文主题词】:aviationfuel;grossheatofcombustion;heatenergy;heatofcombustion;heatingtests;netheatofcombustion
【摘要】:Thistestmethodisintendedforuseasaguideincaseswhereanexperimentaldeterminationofheatofcombustionisnotavailableandcannotbemadeconveniently,andwhereanestimateisconsideredsatisfactory.Itisnotintendedasasubstituteforexperimentalmeasurementsofheatofcombustion(Note2).Note28212;TheproceduresfortheexperimentaldeterminationofthegrossandnetheatsofcombustionaredescribedinTestMethodsD240andD4809.Thenetheatofcombustionisafactorintheperformanceofallaviationfuels.Becausetheexhaustofaircraftenginescontainsuncondensedwatervapors,theenergyreleasedbyfuelinvaporizingwatercannotberecoveredandmustbesubtractedfromgrossheatofcombustiondeterminationstocalculatenetheatofcombustion.Forhighperformanceweight-limitedaircraft,thenetheatofcombustionperunitmassandthemassoffuelloadeddeterminethetotalsaferange.Theproperoperationoftheaircraftenginealsorequiresacertainminimumnetenergyofcombustionperunitvolumeoffueldelivered.Becausetheheatofcombustionofhydrocarbonfuel-mixturesareslowlyvaryingfunctionsofthephysicalpropertiesofthemixtures,theheatofcombustionofthemixturescanoftenbeestimatedwithadequateaccuracyfromsimplefieldtestsofdensityandanilinepointtemperature,withouttheelaborateapparatusneededforcalorimetry.Theempiricalquadraticequationforthenetheatofcombustionofasulfur-freefuelwasderivedbythemethodofleastsquaresfromaccuratemeasurementsonfuels,mostofwhichconformedtospecificationsforfuelsfoundinNote1andwerechosentocoverarangeofvaluesofproperties.Thosefuelsnotmeetingspecificationswerechosentoextendtherangeofdensitiesandaniline-pointtemperaturesaboveandbelowthespecificationlimitstoavoidendeffects.Thesulfurcorrectionwasfoundbyasimultaneousleast-squaresregressionanalysisofsulfur-containingfuelsamongthosetested.1.1Thistestmethodcoverstheestimationofthenetheatofcombustionatconstantpressureinmetric(SI)units,megajoulesperkilogram.1.2Thistestmethodispurelyempirical,anditisapplicableonlytoliquidhydrocarbonfuelsderivedbynormalrefiningprocessesfromconventionalcrudeoilwhichconformtotherequirementsofspecificationsforaviationgasolinesoraircraftturbineandjetenginefuelsoflimitedboilingrangesandcompositionsasdescribedinNote1.Note18212;Theestimationofthenetheatofcombustionofahydrocarbonfuelfromitsanilinepointtemperatureanddensityisjustifiableonlywhenthefuelbelongstoawell-definedclassforwhicharelationshipbetweenthesequantitieshasbeenderivedfromaccurateexperimentalmeasurementsonrepresentativesamplesofthatclass.Eveninthisclass,thepossibilitythattheestimatescanbeinerrorbylargeamountsforindividualfuelsshouldberecognized.TheJP-8fuel,althoughnotexperimentallytested,haspropertiessimilartoJP-5andJetAfuelsandcanbeconsideredinthesameclass.Theclassesoffuelsusedtoestablishthecorrelationpresentedinthistestmethodarerepresentedbythefollowingapplications:1.3ThenetheatofcombustioncanalsobeestimatedbyTestMethodD1405.TestMethodD1405requirescalculationofoneoffourequationsdependentonthefueltypewiththeprecisionequivalenttothatofthistestmethod.1.4Thevaluesstatedinacceptablemetricunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestab......
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:4P.;A4
【正文语种】:



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