BS 7825-3.5-1997 橡胶和塑料试验设备的校准.校准一览表.光学和风化性能

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【英文标准名称】:Calibrationofrubberandplasticstestequipment-Calibrationschedules-Opticalandweatheringproperties
【原文标准名称】:橡胶和塑料试验设备的校准.校准一览表.光学和风化性能
【标准号】:BS7825-3.5-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【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】:材料的光学性质;光学测量;环境试验;校正;色牢度试验;塑料和橡胶技术;老化;试验设备;合成橡胶;天然橡胶;塑料
【英文主题词】:
【摘要】:Providesschedulesforthecalibrationofarangeofmethodsoftestsusedfortheevaluationandinvestigationofopticalproperties(includingcolourfastness),andweatheringcharacteristicsofplasticsandrubbermaterials.
【中国标准分类号】:G31
【国际标准分类号】:83_200
【页数】:20P;A4
【正文语种】:英语


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【英文标准名称】:Methodsofmeasurementforwaveguides-Part1:Decouplingandrotationoftheplaneofpolarization
【原文标准名称】:波导测量方法第1部分:偏振面的退耦和旋转
【标准号】:IEC61580-1-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-06
【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/SC46B
【标准类型】:()
【标准水平】:()
【中文主题词】:退耦;测量;电气工程;导电体;电缆;波导管;测量技术;偏振
【英文主题词】:Cables;Decoupling;Electricconductors;Electricalengineering;Measurement;Measuringtechniques;Polarization(wavephysics);Rotation;Waveguides
【摘要】:Applicabletowaveguideswhichcanpropagatetwoorthogonalpolarizationsofthesamewaveguidemode.Inthisway,thewaveguidetypeisgenerallyrestrictedtosquareorcircularcross-section,suchaswaveguidewithanoctagonalcross-section.Threete
【中国标准分类号】:L26
【国际标准分类号】:33_120_10
【页数】:17P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMeasuringtheComparativeBurningCharacteristicsandResistancetoBurn-ThroughofSolidPlasticsUsing125-mmFlame
【原文标准名称】:利用125mm火焰测量固态塑料比较燃烧特性和抗烧穿性的标准试验方法
【标准号】:ASTMD5048-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;火焰表面传播
【英文主题词】:burningcharacteristics;flammability;plastics,solid;resistancetoburn-through;small-scaleburningtests;verticalburningtests
【摘要】:Thetestresultsrepresentafterflameplusafterglowtime,inseconds,foramaterialundertheconditionsofthetest.Thetestresultsforplaquesalsoindicatewhetherornotthespecifiedflamewillburnthroughamaterial.Theeffectofmaterialthickness,colors,additives,deterioration,andpossiblelossofvolatilecomponentsismeasurable.Theburningcharacteristicsmayvarywiththickness.Testdatashouldonlybecomparedwithdataformaterialsofcomparablethickness.Theresultsserveasareferenceforcomparingtherelativeperformanceofmaterialsandcanbeanaidinmaterialselection.Inthistestmethod,thespecimensaresubjectedtospecificlaboratorytestconditions.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itwillnotalwaysbepossiblebyorfromthistestmethodtopredictchangesinthefire-test-responsecharacteristicsmeasured.Therefore,theresultsarevalidonlyforthefire-test-exposureconditionsdescribedinthistestmethod.1.1Thisfire-test-responsetestmethodcoversasmall-scalelaboratoryprocedurefordeterminingtherelativeburningcharacteristicsandtheresistancetoburn-throughofplasticsusingsmallbarandplaquespecimensexposedtoa125-mm(500-Wnominal)flame.Note18212;ThistestmethodandIEC60695-11-20aretechnicallyequivalent.Note28212;Foradditionalinformationoncomparativeburningcharacteristicsofsolidplasticsinaverticalposition,seeTestMethodD3801.1.2Thistestmethodwasdevelopedforpolymericmaterialsusedforpartsindevicesandappliances.Theresultsareintendedtoserveasapreliminaryindicationoftheiracceptabilitywithrespecttoflammabilityforaparticularapplication.Thefinalacceptanceofthematerialisdependentuponitsuseincompleteequipmentthatconformswiththestandardsapplicabletosuchequipment.1.3TheclassificationsystemdescribedinAppendixX1isintendedforqualityassuranceandthepreselectionofcomponentmaterialsforproducts.1.4Thistestmethodmaybeappliedtoothernonmetallicmaterialsiffoundtobeappropriate.1.5Thistestmethodisnotintendedtocoverplasticswhenusedasmaterialsforbuildingconstructionorfinishing.1.6Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardsorfireriskassessmentofmaterials,products,orassembliesunderactualfireconditions1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.See6.1foraspecifichazardstatement.
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:6P.;A4
【正文语种】: