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【英文标准名称】:StandardPracticeforEmissionCellsfortheDeterminationofVolatileOrganicEmissionsfromIndoorMaterials/Products
【原文标准名称】:从室内材料/产品测定挥发性有机辐射用发射光电管的标准实施规程
【标准号】:ASTMD7143-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D22.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:大气;有机的;空气质量;电池;辐射;室内;挥发性的;测定
【英文主题词】:missionscells;indoorairquality;indoormaterials;indoorproducts;materialsemissionstesting;organicemissions;volatileorganiccompounds
【摘要】:Indoormaterials/productsareproductsormaterialsusedforconstructionworksorintheindoorenvironment.Theareaspecificemissionratesofvolatileorganiccompoundsfromanindoormaterial/productmaybeusedtoestimatetheexpectedcontributionofemissionsfromthatmaterial/producttotheatmosphereofagivenindoorenvironment.Emissiondatamayalsobeusedtocompareandcategorizedifferentindoormaterials/productsofsimilarfunction.Emissioncelltestingofareaspecificemissionsmayalternativelybeusedforstudyingsecondaryinteractions(forexample,sinkeffects(absorptionandre-emissionofvolatileorganicsbytheindoormaterial/product)oremissionsgeneratedbychemicaldegradationoftheindoormaterial/productcausedbyspecificatmosphericagentssuchaswater,ozoneorNOx).1.1Thispracticeisintendedfordeterminingvolatileorganiccompound(VOC)emissionsfrommaterialsandproductsusingemissioncells.Itcanbeappliedinprincipletomostconstructionmaterialsandmanyproductsusedindoors.Objectivesinclude:1.1.1Toprovidemanufacturers,builders,andenduserswithemissiondatausefulforevaluatingtheimpactofbuildingproducts,neworold,onindoorairconcentrationsinamodelroom.1.1.2TopromotethedevelopmentofproductswithlowerVOCemissions.1.2ThispracticeisforidentifyingemittedVOCsandfordeterminingtheareaspecificemissionrateofVOCsfromnewlyproducedbuildingproductsunderdefinedclimateconditions.Themethodcanalsobeappliedtoagedproducts.1.3Inaccordancewiththedefinitionofanemissioncell,itisalsopossibletoperformnondestructiveemissionmeasurementsonbuildingproductson-siteinbuildings.However,theprocedureforsuchmeasurementsisnotdescribedinthisstandard.1.4Thispracticedescribesthedesign,construction,performanceevaluationanduseofemissioncellsforVOCemissiontesting.Sampling,transportandstorageofmaterialstobetested,andpreparationoftestspecimensarealsodescribed.1.5AirsamplingandanalyticalmethodsforthedeterminationofVOCsaredescribedinPracticeD6196.AlternativesamplingandanalyticalapproachesforformaldehydeandothercarbonylsaredescribedinTestMethodD5197.Note18212;Allvolatile(vapor-phase)carbonylsexceptformaldehydecanbeanalyzedbyeitherPracticeD6196orbyTestMethodD5197.Note28212;Direct-readinginstrumentscanalsobeappliedforspecificobjectives.Note38212;Somevolatileinorganiccompoundscan,inprinciple,alsobeanalyzed(forexample,ammonia).1.6AnexampleofanemissioncellisdescribedinAppendixX2ofthispractice.
【中国标准分类号】:Q18
【国际标准分类号】:13_040_20
【页数】:20P.;A4
【正文语种】:


【英文标准名称】:Magnetictapesoundrecordingandreproducingsystems.Part1:Generalconditionsandrequirements
【原文标准名称】:磁带录音和重放系统第1部分:通用条件和要求
【标准号】:IEC60094-1-1981
【标准状态】:现行
【国别】:国际
【发布日期】:1981
【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/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:磁带录音机;录音磁带;总论;电性质和电现象;电影技术;放声;一般条件;定义;规范(验收);磁带记录;特性;电气工程;磁带技术;材料的物理性质;记录系统;磁带;速度;频率响应;尺寸;录音;记录工程;作标记;重放设备;识别方法
【英文主题词】:Audiotapes;Definitions;Dimensions;Directionoftapewinding;Electricalengineering;Electricalpropertiesandphenomena;Frequencyresponse;Generalconditions;Generalsection;Identificationmethods;Magnetictaperecordings;Magnetictapetechniques;Magnetictapes;Marking;Motion-picturetechnics;Physicalpropertiesofmaterials;Properties;Recording;Recordingengineering;Recordingsystems;Reproductingequipment;Soundrecording;Soundreproduction;Specification(approval);Systems;Taperecorders;Velocity
【摘要】:Consistsoffoursections.Appliestothedimensional,mechanicalandelectricalrequirementsfornon-perforatedblankandpre-recordedmagnetictapeandfortheassociatedrecordingandreproducingsystemssuchasreel-to-reel,cassetteandcartridge.T
【中国标准分类号】:M71
【国际标准分类号】:33_160_30
【页数】:43P.;A4
【正文语种】:英语