ANSI/ASTM D3679-2009 硬质聚氯乙烯(PVC)挡板规范
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来源:标准资料网
【英文标准名称】:SPECIFICATIONFORRIGIDPOLY(VINYLCHLORIDE)(PVC)SIDING
【原文标准名称】:硬质聚氯乙烯(PVC)挡板规范
【标准号】:ANSI/ASTMD3679-2009
【标准状态】:作废
【国别】:美国
【发布日期】:2009
【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】:施工材料;塑胶技术;聚氯乙烯;PVC-U;未增塑聚氯乙烯;风荷载
【英文主题词】:Constructionmaterials;Plasticstechnology;Polyvinylchloride;PVC-U;Unplasticizedpolyvinylchloride;Windloading
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:83_080_20
【页数】:
【正文语种】:英语
【英文标准名称】:Non-cellulosicpapersforelectricalpurposes-Part1:Definitionsandgeneralrequirements
【原文标准名称】:电工用非纤维素纸第1部分:定义和一般要求
【标准号】:IEC60819-1-1995
【标准状态】:作废
【国别】:国际
【发布日期】:1995-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC15
【标准类型】:()
【标准水平】:()
【中文主题词】:纸;绝缘纸;非纤维素的;规范(验收);电气工程;定义
【英文主题词】:Aramide;Aramidefibres;Ceramics;Definitions;Delivery;Electricalengineering;Electricalinsulatingmaterials;Fibres;Generalconditions;Glass;Glassfibres;Insulatingmaterials;Insulatingpapers;Non-cellulosic;Non-wovenfabrics;Packages;Paper;Plastics;Plasticsfibre;Polyethylene;Polyethyleneterephthalate;Polypropylene;Solidelectricalinsulatingmaterials;Specification;Specification(approval)
【摘要】:ThispartofIEC819givesthedefinitionsandgeneralrequirementsfornon-cellulosicpapers.
【中国标准分类号】:K15;Y32
【国际标准分类号】:01_040_29;29_035_10
【页数】:9P.;A4
【正文语种】:英语
【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
