【英文标准名称】:StandardTestMethodforLuminousReflectanceFactorofAcousticalMaterialsbyUseofIntegrating-SphereReflectometers
【原文标准名称】:使用集成球形反射计测定音响材料反光因素的标准试验方法
【标准号】:ASTME1477-1998a(2008)
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:E12.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acousticalmaterials;integratingsphere;luminousreflectancefactor;reflectometer;Acousticalmaterials/applications;CIEcolor-scalesystem;Integratingspherereflectometer;Luminousreflectancefactor;Opticalmaterials/properties/tests;Reflectomet
【摘要】:Acousticalmaterialsareoftenusedastheentireceilingofroomsandarethereforeanimportantcomponentofthelightingsystem.Theluminousreflectanceofallimportantcomponentsmustbeknowninordertopredictthelevelofilluminationthatwillbeobtained.Thereflectingpropertiesofasurfacearemeasuredrelativetothoseofastandardreflector,theperfectreflectingdiffuser,toprovideareflectancefactor.Theluminousreflectancefactoriscalculatedforastandardilluminant,andastandardobserver,forthestandardhemispherical(integrating-sphere)geometryofilluminationandviewing,inwhichallreflectedradiationfromanareaofthesurfaceiscollected.Inthiswaythereflectingpropertiesofanacousticalmaterialcanberepresentedbyasinglenumbermeasuredandcalculatedunderstandardconditions.Acousticalmaterialsgenerallyhaveanon-glossywhiteornear-whitefinish.Thetypesofsurfacecoverawiderangefromsmoothtodeeplyfissured.Measurementwithintegrating-spherereflectometershasbeensatisfactoryalthoughmultiplemeasurementsmayberequiredtosamplethesurfaceadequately.Instrumentswithothertypesofopticalmeasuringsystemsmaybeusedifitcanbedemonstratedthattheyprovideequivalentresults.TheuseofthistestmethodfordeterminingtheluminousreflectancefactorisrequiredbyClassificationE1264.1.1Thistestmethodcoversthemeasurementoftheluminousreflectancefactorofacousticalmaterialsforuseinpredictingthelevelsofroomillumination.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M72
【国际标准分类号】:91_120_20
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:Buildingconstruction-Organizationofinformationaboutconstructionworks-Frameworkforclassificationofinformation
【原文标准名称】:建筑施工.施工作业的信息结构.信息分类的框架
【标准号】:BSISO12006-2-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-11-23
【实施或试行日期】:2001-11-23
【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】:建筑物;信息;建设工程;分类系统;建筑;技术文献;信息交流;数据组织
【英文主题词】:Buildings;Classificationsystems;Construction;Constructionoperations;Data;Databases;Definition;Definitions;Documents;Information;Informationsystems;Technicaldocuments
【摘要】:ThispartofISO12006definesaframeworkandasetofrecommendedtabletitlessupportedbydefinitions,butnotthedetailedcontentofthesetables.Itisintendedforusebyorganizationswhichdevelopandpublishclassificationsystemsandtablesonanationalorregionalbasis.ThispartofISO12006appliestothecompletelifecycleofconstructionworks,includingdesign,production,maintenanceanddemolition,andtobothbuildingandcivilengineering.Itidentifiesclassesfortheorganizationofinformationandindicateshowtheseclassesarerelated.ThispartofISO12006liststhetableswhicharerecommendedtobedevelopedandusedtoclassifythemembersofeachclassaccordingtoparticularviewsorprinciplesofspecializationandgivesexamplesofentrieswhichmightoccurinthesetables.Itdoesnotprovideacompleteoperationalclassificationsystem.Classificationtablesmayvaryindetailtosuitlocalneeds.
【中国标准分类号】:P01
【国际标准分类号】:01_020;35_240_50;91_010_01
【页数】:26P.;A4
【正文语种】:英语