BS 9611 N005-1977 经质量评定的振荡器用焊封石英晶体振子详细规范.AA、CX和BC/1外壳,0.8至20MHz和3.0至30MHz频率范围.基波厚度切变振荡模、晶片AT切割、超窄温度范围(非温度控制)工作.全面评定级
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【英文标准名称】:Detailspecificationforsolder-sealedquartzcrystalunitsforoscillatorapplications.AA,CXandBC/1enclosures,0.8to20MHzand3.0to30MHzfrequencyranges.Fundamentalthickness-shearmode,AT-cut,fornovernarrowtemperatureranges(temperat
【原文标准名称】:经质量评定的振荡器用焊封石英晶体振子详细规范.AA、CX和BC/1外壳,0.8至20MHz和3.0至30MHz频率范围.基波厚度切变振荡模、晶片AT切割、超窄温度范围(非温度控制)工作.全面评定级
【标准号】:BS9611N005-1977
【标准状态】:作废
【国别】:英国
【发布日期】:1977-06
【实施或试行日期】:1977-06-00
【发布单位】:英国标准学会(BSI)
【起草单位】:
【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】:L21
【国际标准分类号】:
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingtheFlammabilityCharacteristicsofNonrigidSolidPlastics
【原文标准名称】:测定非硬质固体塑料易燃性的标准试验方法
【标准号】:ASTMD4804-2003
【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】:易燃性;垂直;塑料;试验
【英文主题词】:flammability;plastics;nonrigid;plastics;solid;verticalposition
【摘要】:Thetestresultsrepresenttheafterflameandafterglowtimes,inseconds,foramaterialundertheconditionsofthetest.Theafterflameandafterglowtimesandotherburningphenomenawillvarywiththickness.Testdatashouldonlybecomparedwithdataformaterialofcomparablethickness.Usefulinformationmaybeobtainedfromaplotofafterflameandafterglowtimesversusthickness.Theeffectofmaterialthickness,colors,additives,deterioration,andpossiblelossofvolatilecomponentsismeasurable.Theresultsserveasareferenceforcomparingtherelativeperformanceofmaterialsandcanbeanaidinmaterialselection.Inthisprocedure,thespecimensaresubjectedtooneormorespecificsetsoflaboratorytestconditions.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itmaynotbepossiblebyorfromthistestmethodtopredictchangesinthefire-test-responsecharacteristicsmeasured;therefore,theresultsarevalidonlyforthefire-testexposureconditionsdescribedinthistestmethod.1.1Thesefire-test-responsetestmethodsdescribesmall-scalelaboratoryproceduresfordeterminingthecomparativeburningcharacteristicsofsolidplasticmaterialsthat,duetospecimenthinnessandnonrigidity,maydistortorshrinkwhentestedusingTestMethodD3801.Aflameisappliedtothebaseofspecimensheldinaverticalpositionandtheextinguishingtimesaredetermineduponremovalofthetestflame.1.2TheclassificationsystemdescribedinAppendixX1isintendedforqualityassuranceandthepreselectionofcomponentmaterialsforproducts.1.3Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.Note18212;ThesetestmethodsandISO9773aretechnicallyequivalent.Note28212;Forrateofburningofnonrigidsolidplasticsinahorizontalposition,formerlyTestMethodBofthesetestmethods,seeTestMethodD635,section9.4.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeWarningin6.1.
【中国标准分类号】:C80;G31
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Valvesforflammablefluids
【原文标准名称】:可燃流体用阀门
【标准号】:UL842-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993-06
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:可燃液体;燃料;压力发电;温度控制;流体;管系统;人力驱动装置;阀门
【英文主题词】:pressuregeneration;temperaturecontrol;fuels;manually-operateddevices;combustibleliquids;valves;fluids;pipingsystem
【摘要】:
【中国标准分类号】:J16
【国际标准分类号】:23_060_00
【页数】:25P;A4
【正文语种】:英语
