【英文标准名称】:StandardPracticeforDescribingRetroreflection
【原文标准名称】:向后反射性描述的标准实施规程
【标准号】:ASTME808-2001(2009)
【标准状态】:现行
【国别】:美国
【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】:E12.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Applicationsystem;CIE(goniometer)system;entranceangle;Intrinsicsystem;observationangle;orientationangle;presentationangle;retroreflection;rotationangle;CIE(goniometer)system;Color--retroreflection/retroreflectors;Dataanalysis--envir
【摘要】:Thispracticeappliestoanymeasurementofreflectanceinwhichtheangleatthesamplebetweenthedirectionoftheincidentradiationandthedirectionofviewingislessthanapproximately10x00B0;,andthereflectedradiationisconcentratedinadirectionoppositetothedirectionofincidence.TheCIE(goniometer)systemdescribedin6.1.1wasdevelopedbytheSubcommitteeonRetroreflectionofCommittee2.3onMaterialsoftheInternationalCommissiononIllumination(CommissionInternationaldel''Eclairage,CIE).Itisintendedtoprovideacommonbasisforthemeasurementofretroreflection,whichshouldbeusedworldwide.Thispracticeprovidesalternativegeometriccoordinatesystemsusefulforvisualizingrelationshipsbetweenvariousanglesinactualuse.1.1Thispracticeprovidesterminology,alternativegeometricalcoordinatesystems,andproceduresfordesignatinganglesindescriptionsofretroreflectors,specificationsforretroreflectorperformance,andmeasurementsofretroreflection.1.2TerminologydefinedhereinincludestermsgermanetootherASTMdocumentsonretroreflection.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N30
【国际标准分类号】:17_180_20
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Specificationforconduitsystemsforcablemanagement-Particularrequirements-Rigidconduitsystems
【原文标准名称】:电气设施导管系统规范.第2-1部分:刚性导管系统专门要求
【标准号】:BSEN50086-2-1-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-04-15
【实施或试行日期】:1996-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;特性;电力设备;分类;附件;干线;导(线)管;管路;电工导管;管道系统;热的;定义;绝缘材料;刚性管;电性质和电现象;材料热性质;机械性能;规范(验收);管;电气工程;电缆;试验;作标记
【英文主题词】:conduits;properties;classification;thermal;electricconduits;accessories;testing;electricalpropertiesandphenomena;specification(approval);marking;pipesystem;thermalpropertiesofmaterials;dimensions;insulatingmaterials;electricalinstallations;electricalengineering;definitions;trunking;mechanicalproperties;pipes;piping;rigidpipes;electriccables
【摘要】:TobereadinconjunctionwithBSEN50086-1:1994
【中国标准分类号】:K15
【国际标准分类号】:29_120_10
【页数】:16P.;A4
【正文语种】:英语