DIN EN 300359-5-2002 综合业务数字网(ISDN).占线用户呼叫完成补充业务(CCBS).数字用户信令系统No.1(DSS1)协议.第5部分:网络测试成套装置和测试目的规范
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【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-CompletionofCallstoBusySubscriber(CCBS)supplementaryservice;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol-Part5:TestSuiteStructureandTestPurposes(TSS&TP)specificationforthe
【原文标准名称】:综合业务数字网(ISDN).占线用户呼叫完成补充业务(CCBS).数字用户信令系统No.1(DSS1)协议.第5部分:网络测试成套装置和测试目的规范
【标准号】:DINEN300359-5-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-03
【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】:电话局;呼叫传输;连接线;电信设备;电信;通信设备;二次呼叫;补充业务;测试组;试验要求;试验系列;传输协议;网络;信号发送系统;综合业务数字网;信号传输;综合服务数字网络
【英文主题词】:
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M11
【国际标准分类号】:33_080
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:Determinationofthechemicalresistancefactorforthermoplasticspipes;polyolefinpipes
【原文标准名称】:热塑性塑料管道化学阻抗的测定.第1部分:聚烯烃管道
【标准号】:DIN16889-1-1989
【标准状态】:现行
【国别】:德国
【发布日期】:1989-06
【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】:定义;耐力;聚烯烃;管;塑料;试验;热塑性聚合物
【英文主题词】:Definition;Definitions;Pipes;Plastics;Polyolefins;Resistance;Testing;Thermoplasticpolymers
【摘要】:Thisstandarddescribesatestmethodforthedeterminationofchemicalresistancefactorsforpolyolefinepipes.Theresistancefactordescribesthelongtermbehaviourofapipeunderinternalpressurewithachemicalfluidinrelationtothebehaviourofaequivalentpipewithwaterastestliquid.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:5P;A4
【正文语种】:德语
【英文标准名称】:StandardTablesforReferenceSolarUltravioletSpectralDistributions:Hemisphericalon37x00B0;TiltedSurface
【原文标准名称】:太阳紫外线光谱分布参考标准表:37度倾斜表面上的半球形分布
【标准号】:ASTMG177-2003(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:G03.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:globalhemispherical;materialsexposure;terrestrial;ultravioletsolarspectralirradiance;Globalsolarirradiance;Solarspectralirradiance;Tables(measurement);Terrestrialsystems;Ultraviolet(UV)solarspectralirradiance
【摘要】:Thisstandarddoesnotpurporttoaddressthemeanlevelofsolarultravioletspectralirradiancetowhichmaterialswillbesubjectedduringtheirusefullife.Thespectralirradiancedistributionshavebeenchosentorepresentareasonableupperlimitfornaturalsolarultravioletradiationthatoughttobeconsideredwhenevaluatingthebehaviorofmaterialsundervariousexposureconditions.Absorptance,reflectance,andtransmittanceofsolarenergyareimportantfactorsinmaterialdegradationstudies.Thesepropertiesarenormallyfunctionsofwavelength,whichrequirethatthespectraldistributionofthesolarfluxbeknownbeforethesolar-weightedpropertycanbecalculated.Theinterpretationofthebehaviorofmaterialsexposedtoeithernaturalsolarradiationorultravioletradiationfromartificiallightsourcesrequiresanunderstandingofthespectralenergydistributionemployed.Tocomparetherelativeperformanceofcompetitiveproducts,ortocomparetheperformanceofproductsbeforeandafterbeingsubjectedtoweatheringorotherexposureconditions,areferencestandardsolarspectraldistributionisdesirable.AplotoftheSMARTS2modeloutputforthereferencehemisphericalUVradiationona37x00B0;southfacingtiltedsurfaceisshowninFig.1.TheinputneededbySMARTS2togeneratethespectrumfortheprescribedconditionsareshowninTable2.SMARTS2Version2.9.2isrequiredtogenerateAM1.05UVreferencespectra.Theavailabilityoftheadjunctstandardcomputersoftware(ADJG0173CD)forSMARTS2allowsoneto(1)reproducethereferencespectra,usingtheaboveinputparameters;(2)computetestspectratoattempttomatchmeasureddataataspecifiedFWHM,andevaluateatmosphericconditions;and(3)computetestspectrarepresentingspecificconditionsforanalysisvis-?/span>-visanyoneorallofthereferencespectra.1.1Thetableprovidesastandardultravioletspectralirradiancedistributionthatmaybeemployedasaguideagainstwhichmanufacturedultravioletlightsourcesmaybejudgedwhenappliedtoindoorexposuretesting.Thetableprovidesareferenceforcomparisonwithnaturalsunlightultravioletspectraldata.Theultravioletreferencespectralirradianceisproviddedforthewavelengthrangefrom280to400nm.ThewavelengthregionselectediscomprisedoftheUV-Aspectralregionfrom320to400nmandtheUV-Bregionfrom280to320nm.1.2Thetabledefinesasingleultravioletsolarspectralirradiancedistribution:1.2.1Totalhemisphericalultravioletsolarspectralirradiance(consistingofcombineddirectanddiffusecomponents)incidentonasun-facing,37x00B0;tiltedsurfaceinthewavelengthregionfrom280to400nmforairmass1.05,atanelevationof2km(2000m)abovesealevelfortheUnitedStatesStandardAtmosphereprofilefor1976(USSA1976),exceptingfortheozonecontentwhichisspecifiedas0.30atmosphere-centimeters(atm-cm)equivalentthichkness.1.3ThedatacontainedinthesetablesweregeneratedusingtheSMARTS2Version2.9.2atmospherictransmissionmodeldevelopedbyGueymard(1,2).1.4Theclimatic,atmosphericandgeometricparametersselectedreflecttheconditionstoprovidearealisticmaximumultravioletexposureunderrepresentativeclearskyconditions.1.5TheavailabilityoftheSMARTS2model(asanadjunct(ADJG0173CD)tothisstandard)usedtogeneratethestandardspectraallowsuserstoevaluatespectraldifferencesrelativetothespectraspecifiedhere.
【中国标准分类号】:F12
【国际标准分类号】:17_180_20
【页数】:9P.;A4
【正文语种】:英语
