NF C83-310-1982 电子元件体质量评审体系.通讯用电感器和变压器铁芯.通用规范
时间:2024-05-14 13:06:38 来源: 标准资料网 作者：标准资料网 阅读：9493
【英文标准名称】:ELECTRONICCOMPONENTS.HARMONIZEDSYSTEMOFQUALITYASSESSMENTFORELECTRONICCOMPONENTS.INDUCTORANDTRANSFORMERCORESFORTELECOMMUNICATIONS.GENERICSPECIFICATION.(SPECIFICATIONCECC25000).
【原文标准名称】:电子元件体质量评审体系.通讯用电感器和变压器铁芯.通用规范
【标准号】:NFC83-310-1982
【标准状态】:作废
【国别】:法国
【发布日期】:1982-07
【实施或试行日期】:1982-06-11
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;渗透率;热稳定性;质量管理;外壳;试验条件;磁芯;电子设备及元件;电子元部件;电感;规范
【英文主题词】:
【摘要】:
【中国标准分类号】:L17
【国际标准分类号】:29_100_10;29_180
【页数】:41P.;A4
【正文语种】:其他
【英文标准名称】:Safetyrequirementsforarcweldingequipment;part1:weldingpowersources
【原文标准名称】:弧焊设备的安全要求.第1部分:焊接电源
【标准号】:IEC60974-1-1989
【标准状态】:作废
【国别】:国际
【发布日期】:1989-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC26
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电气安全;焊接电流;焊接工程;试验;规范(批准);焊接设备;安全要求;热防护;电子电源;焊接;电弧焊接;容许的;电焊;安全;电力系统;电气工程;安全装置
【英文主题词】:
【摘要】:
【中国标准分类号】:J09
【国际标准分类号】:25_160_30
【页数】:107P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforFlashPointbyModifiedContinuouslyClosedCup(MCCCFP)Tester
【原文标准名称】:用改良的连续闭杯试验仪测量闪点的标准试验方法
【标准号】:ASTMD7094-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:continuouslyclosedcup;flammability;flashpoint;Closed-cupflashpointmethods;Flashpoint
【摘要】:Theflashpointtemperatureisonemeasureofthetendencyofthetestspecimentoformaflammablemixturewithairundercontrolledlaboratoryconditions.Itisonlyoneofanumberofpropertieswhichmustbeconsideredinassessingtheoverallflammabilityhazardofamaterial.Flashpointisusedinshippingandsafetyregulationstodefineflammableandcombustiblematerialsandforclassificationpurposes.Thisdefinitionmayvaryfromregulationtoregulation.Consulttheparticularregulationinvolvedforprecisedefinitionsoftheseclassifications.Thistestmethodcanbeusedtomeasureanddescribethepropertiesofmaterialsinresponsetoheatandanignitionsourceundercontrolledlaboratoryconditionsandshallnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterialsunderactualfireconditions.However,resultsofthistestmethodmaybeusedaselementsofafireriskassessment,whichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.Flashpointcanalsoindicatethepossiblepresenceofhighlyvolatileandflammablematerialsinarelativelynonvolatileornonflammablematerial,suchasthecontaminationoflubricatingoilsbysmallamountsofdieselfuelorgasoline.ThistestmethodwasdesignedtobemoresensitivetopotentialcontaminationthanTestMethodD6450.1.1Thistestmethodcoversthedeterminationoftheflashpointoffuels,lubeoils,solventsandotherliquidsbyacontinuouslyclosedcuptesterutilizingaspecimensizeof2mL,cupsizeof7mL,withaheatingrateof2.5x00B0;Cperminute.1.1.1Apparatusrequiringaspecimensizeof1mL,cupsizeof4mL,andaheatingrateof5.5x00B0;CperminutemustberunaccordingtoTestMethodD6450.1.2Thisflashpointtestmethodisadynamicmethodanddependsondefiniteratesoftemperatureincrease.Itisoneofthemanyflashpointtestmethodsavailableandeveryflashpointtestmethod,includingthisone,isanempiricalmethod.Note18212;Flashpointvaluesarenotaconstantphysicalchemicalpropertyofmaterialstested.Theyareafunctionoftheapparatusdesign,theconditionoftheapparatusused,andtheoperationalprocedurecarriedout.Flashpointcan,therefore,onlybedefinedintermsofastandardtestmethodandnogeneralvalidcorrelationcanbeguaranteedbetweenresultsobtainedbydifferenttestmethodsorwheredifferenttestapparatusisspecified.1.3Thistestmethodutilizesaclosedbutunsealedcupwithairinjectedintothetestchamber.1.4Thistestmethodissuitablefortestingsampleswithaflashpointfrom35to225x00B0;C.Note28212;Flashpointdeterminationsbelow35x00B0;Candabove225x00B0;Cmaybeperformed;however,theprecisionhasnotbeendeterminedbelowandabovethesetemperatures.1.5Iftheuserx2019;sspecificationrequiresadefinedflashpointmethodotherthanthismethod,neitherthismethodnoranyothertestmethodshouldbesubstitutedfortheprescribedtestmethodwithoutobtainingcomparativedataandanagreementfromthespecifier.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstand......
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:9P.;A4
【正文语种】:英语