BS 7486-1-1991 使用β格式12.65mm(0.5in)磁带的螺旋扫描盒式录像系统规范.FM音频录制.625行-50区域系统
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【英文标准名称】:Specificationforhelical-scanvideotapecassettesystemusing12.65mm(0.5in)magnetictapeontypeBetaformat-FMaudiorecording-625line-50fieldsystems
【原文标准名称】:使用β格式12.65mm(0.5in)磁带的螺旋扫描盒式录像系统规范.FM音频录制.625行-50区域系统
【标准号】:BS7486-1-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-09-30
【实施或试行日期】:1991-09-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:磁带;录音;盒式磁带;磁带记录;尺寸;录像磁带;记录系统;声信号;记录特性;角(几何学);调频;记录道;声道
【英文主题词】:Beta-format;Cassettes(magnetictapes);Electricalengineering;Frequencymodulation;Helicalscanrecording;Magnetictapes;Properties;Recordingsystems;Video;Videorecording;Videotaperecordings
【摘要】:Defineselectricalandmechanicalcharacteristicstoensuretheinterchangeabilityofrecordedcassettes.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforBehaviorofMaterialsinaVerticalTubeFurnaceat750176;C
【原文标准名称】:750℃时立式管炉中材料特性的标准试验方法
【标准号】:ASTME136-2009b
【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】:E05.23
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:buildingmaterials;combustion;heatedtube;limitedcombustion;Setchkinfurnace;tubefurnace;verticaltubefurnace;Fire-resistantmaterials/testing;Firetesting--buildingmaterials;Refractorytubemethod;Verticaltubefurnacemethod
【摘要】:Whileactualbuildingfireexposureconditionsarenotduplicated,thistestmethodwillassistinindicatingthosematerialswhichdonotacttoaidcombustionoraddappreciableheattoanambientfire.Materialspassingthetestarepermittedlimitedflamingandotherindicationsofcombustion.1.1Thisfire-test-responsetestmethodcoversthedeterminationunderspecifiedlaboratoryconditionsofcombustioncharacteristicsofbuildingmaterials.1.2Limitationsofthisfire-testresponsetestmethodareshownbelow.1.2.1Thistestmethoddoesnotapplytolaminatedorcoatedmaterials.1.2.2Thistestmethodisnotsuitableorsatisfactoryformaterialsthatsoften,flow,melt,intumesceorotherwiseseparatefromthemeasuringthermocouple.1.2.3Thistestmethoddoesnotprovideameasureofanintrinsicproperty.1.2.4Thistestmethoddoesnotprovideaquantitativemeasureofheatgenerationorcombustibility;itsimplyservesasatestmethodwithselected(endpoint)measuresofcombustibility.1.2.5Thetestmethoddoesnotmeasuretheself-heatingtendenciesofmaterials.1.2.6Inthistestmethodmaterialsarenotbeingtestedinthenatureandformusedinbuildingapplications.Thetestspecimenconsistsofasmall,specifiedvolumethatiseither(1)cutfromathicksheet;(2)assembledfrommultiplethicknessesofthinsheets;or(3)placedinacontainerifcomposedofgranularpowderorloose-fibermaterials.1.2.7Resultsfromthistestmethodapplytothespecifictestapparatusandtestconditionsandarelikelytovarywhenchangesaremadetooneormoreofthefollowing:(1)thesize,shape,andarrangementofthespecimen;(2)thedistributionoforganiccontent;(3)theexposuretemperature;(4)theairsupply;(5)thelocationofthermocouples.1.3Thistestmethodreferencesnotesandfootnotesthatprovideexplanatoryinformation.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthistestmethod.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfire-hazardorfire-riskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.6Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J98
【国际标准分类号】:13_220_50
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:Photography-ElectronicStillPictureImaging-ReferenceOutputMediumMetricRGBColorEncoding(ROMM-RGB)
【原文标准名称】:摄影.电子静态图形成像.参考输出媒介度量RGB(红绿蓝)三色编码
【标准号】:ANSI/I3AIT10.7666-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002-07-18
【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】:I3A
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Specifiesafamilyofextendedcolor-gamutoutput-referredRGBcolorencodingsdesignatedasReferenceOutputMediumMetricRGB(ROMMRGB).
【中国标准分类号】:L81
【国际标准分类号】:37_040_01
【页数】:
【正文语种】:英语
