【英文标准名称】:Testmethodsforstructuralparametersofopticalfibers--Dimensionalcharacteristics
【原文标准名称】:光纤电缆结构参数的测试方法.尺寸特性
【标准号】:JISC6822-2009
【标准状态】:现行
【国别】:日本
【发布日期】:2009-12-21
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonElectronics
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:62P.;A4
【正文语种】:日语
基本信息
| 标准名称： | 压水堆核电厂新燃料组件运输容器通用技术条件 |
| 中标分类： |
能源、核技术 >>
辐射防护与监测 >>
防护用具与设备 |
| ICS分类： |
能源和热传导工程 >>
核能工程 >>
核电站、安全
|
| 替代情况： | 被NB/T 20184-2012代替 |
| 发布日期： | 1991-10-11 |
| 实施日期： | 1992-03-01 |
| 首发日期： | |
| 作废日期： | 2013-03-01 |
| 出版日期： | |
| 页数： | 8页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 能源 核技术 辐射防护与监测 防护用具与设备 能源和热传导工程 核能工程 核电站 安全
【英文标准名称】:StandardTestMethodforSpecificOpticalDensityofSmokeGeneratedbySolidMaterials
【原文标准名称】:由固体材料产生烟雾的比光密度的标准试验方法
【标准号】:ASTME662-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fire;fire-testresponsestandard;smoke;smokechamber;smokedensity;smokeobscuration;solids;specificopticaldensity;Opticaldensity;Smokeanalysis;Smokedensity;Solidphasematerials
【摘要】:Thistestmethodprovidesameansfordeterminingthespecificopticaldensityofthesmokegeneratedbyspecimensofmaterialsandassembliesunderthespecifiedexposureconditions.Valuesdeterminedbythistestarespecifictothespecimenorassemblyintheformandthicknesstestedandarenottobeconsideredinherentfundamentalpropertiesofthematerialtested.Thus,itislikelythatcloselyrepeatableorreproducibleexperimentalresultsarenottobeexpectedfromtestsofagivenmaterialwhenspecimenthickness,density,orothervariablesareinvolved.Thephotometricscaleusedtomeasuresmokebythistestmethodissimilartotheopticaldensityscaleforhumanvision.However,physiologicalaspectsassociatedwithvisionarenotmeasuredbythistestmethod.Correlationwithmeasurementsbyothertestmethodshasnotbeenestablished.Atthepresenttimenobasisisprovidedforpredictingthedensityofsmokegeneratedbythematerialsuponexposuretoheatandflameunderotherfireconditions.Thetestmethodisofacomplexnatureandthedataobtainedaresensitivetovariationswhichinothertestmethodsmightbeconsideredtobeinsignificant(seeSection6).Aprecisionstatementbasedontheresultsofaroundrobintestbyapriordraftversionofthistestmethodisgivenin14.1Inthisprocedure,thespecimensaresubjectedtooneormorespecificsetsoflaboratorytestconditions.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itisnotalwayspossiblebyorfromthistestmethodtopredictchangesinthefire-test-responsecharacteristicsmeasured.Therefore,theresultsarevalidonlyforthefiretestexposureconditionsdescribedinthisprocedure.1.1Thisfire-test-responsestandardcoversdeterminationofthespecificopticaldensityofsmokegeneratedbysolidmaterialsandassembliesmountedintheverticalpositioninthicknessesuptoandincluding1in.(25.4mm).1.2Measurementismadeoftheattenuationofalightbeambysmoke(suspendedsolidorliquidparticles)accumulatingwithinaclosedchamberduetononflamingpyrolyticdecompositionandflamingcombustion.1.3Resultsareexpressedintermsofspecificopticaldensitywhichisderivedfromageometricalfactorandthemeasuredopticaldensity,ameasurementcharacteristicoftheconcentrationofsmoke.1.4Thistestmethodisintendedforuseinresearchanddevelopmentandnotasabasisforratingsforregulatorypurposes.1.5Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.7Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Valuesstatedinparenthesesareforinformationonly.
【中国标准分类号】:C80
【国际标准分类号】:13_220_40;17_180_99
【页数】:24P.;A4
【正文语种】:英语