EJ/T 823-1994 激光荧光微量铀分析仪
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基本信息
| 标准名称： | 激光荧光微量铀分析仪 |
| 中标分类： | 能源、核技术 >> 核仪器与核探测器 >> 通用核仪器 |
| ICS分类： | 能源和热传导工程 >> 核能工程 >> 有关核能的其他标 |
| 发布日期： | 1994-03-07 |
| 实施日期： | 1994-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 11页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 能源 核技术 核仪器与核探测器 通用核仪器 能源和热传导工程 核能工程 有关核能的其他标
下载地址: 点击此处下载
【英文标准名称】:Electricalapparatusforexplosivegasatmospheres-Part5:Powderfilling"q"
【原文标准名称】:爆炸性气体环境用电气设备.第5部分:充砂型"q"
【标准号】:UL60079-5-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007-03-09
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:器械;电缆夹套;电缆入口;定义;防护等级;设计;电气工程;电气设备;电驱动装置;设备;爆炸危险;防爆;爆炸性;爆炸性环境;爆炸物;检验;绝缘;材料;潜在爆炸材料;防护电气设备;合格试验;安全;安全要求;沙散热器;规范(验收);温度;试验;q型防护电气设备
【英文主题词】:Apparatus;Cableglands;Cableinlet;Definitions;Degreesofprotection;Design;Electricalengineering;Electricalequipment;Electrically-operateddevices;Equipment;Explosionhazard;Explosionprotection;Explosive;Explosiveatmospheres;Explosives;Inspection;Insulations;Materials;Potentiallyexplosivematerials;Protectedelectricalequipment;Qualificationtests;Safety;Safetyrequirements;Sandgilling;Specification(approval);Temperature;Testing;Typeqprotectedelectricalequipment
【摘要】:ThispartofIEC60079containsthespecificrequirementsfortheconstruction,testingandmarkingofelectricalapparatus,partsofelectricalapparatusandExcomponentsinthetypeofprotectionpowderfilling"q",intendedforuseinpotentiallyexplosiveatmospheresofgas,vapourandmist.NOTE-Powder-filledelectricalapparatusandExcomponentsmaycontainelectroniccircuits,transformers,protectionfuses,relays,intrinsicallysafeelectricalapparatus,associatedelectricalapparatus,switches,etc.ThisstandardsupplementsIEC60079-0,therequirementsofwhichapplytopowder-filledelectricalapparatus.Thisstandardappliestoelectricalapparatus,partsofelectricalapparatusandExcomponentswith:-aratedcurrentlessthanorequalto16A;-aratedpowerconsumptionlessthanorequalto1000VA,intendedtobeconnectedtoasupplynotexceeding1000V.1.1DVAdditionof1.1DV:TheU.S.versionofIEC60079-5doesnotincluderequirementsforGroupIelectricalapparatus1.2DVAdditionof1.2DV:WherereferencesaremadetootherIEC60079standards,thereferencedrequirementsfoundinthesestandardsshallapplyasmodifiedbyanyapplicableU.S.NationalDifferences.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforMeasuringHairinessofYarnsbythePhoto-ElectricApparatus
【原文标准名称】:用光电仪测量纱线多毛性的标准指南
【标准号】:ASTMD5647-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:纤维;长丝纱线;指南;测量技术;物理性能;细纱;纺织纤维;纱线
【英文主题词】:fiber;fuzz;hairiness;yarn
【摘要】:Thephoto-electricmethodformeasuringthehairinessofyarnsisnotrecommendedforacceptancetestingofcommercialshipmentssinceexperiencehasshownthatresultsobtainedfrommachinesproducedbyonemanufacturercannotusuallybeverifiedbymachinesproducedbyanothermanufacturer.Thisguideisintendedtoincreasetheawarenessoftheusertoavailabletechniquesformeasuringhairiness.Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailableguidethoughithasnotbeenrecommendedforacceptancetestingofcommercialshipments.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogenousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Theremaybeadistinctdifferenceintestingspeedandtensiondevicesofmachinessuppliedbydifferentmanufacturersthatmaygivedifferencesinreportedtestresults.Themeasurementofhairinessisimportanttoyarnproducers.Thisguideisusefulforprocesscontrolandresearchoftheyarnsurfacedesignatanindividualmanufacturingfacility.Hairinessalsoisusedtoprovideyarnprocessingmachinedesign,andindicationsofmalfunctioningprocessequipment,suchasrotors,doffingmechanisms,guides,andtravelers.Itcanbeusedtoidentifysomecausesofbarrenessandshadevariationinfabrics.1.1Thisguidecoversthedeterminationofthehairinessofmostfilamentandspunyarnusingaphoto-electricsensorapparatus.Itisnotintendedforuseonnoveltyyarns.1.2ThisguideshowsthevaluesinSIunits."SIunits"isthetechnicallycorrectnameforasystemofmetricunitsknownastheInternationalSystemofUnits.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:爆炸性气体环境用电气设备.第5部分:充砂型"q"
【标准号】:UL60079-5-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007-03-09
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:器械;电缆夹套;电缆入口;定义;防护等级;设计;电气工程;电气设备;电驱动装置;设备;爆炸危险;防爆;爆炸性;爆炸性环境;爆炸物;检验;绝缘;材料;潜在爆炸材料;防护电气设备;合格试验;安全;安全要求;沙散热器;规范(验收);温度;试验;q型防护电气设备
【英文主题词】:Apparatus;Cableglands;Cableinlet;Definitions;Degreesofprotection;Design;Electricalengineering;Electricalequipment;Electrically-operateddevices;Equipment;Explosionhazard;Explosionprotection;Explosive;Explosiveatmospheres;Explosives;Inspection;Insulations;Materials;Potentiallyexplosivematerials;Protectedelectricalequipment;Qualificationtests;Safety;Safetyrequirements;Sandgilling;Specification(approval);Temperature;Testing;Typeqprotectedelectricalequipment
【摘要】:ThispartofIEC60079containsthespecificrequirementsfortheconstruction,testingandmarkingofelectricalapparatus,partsofelectricalapparatusandExcomponentsinthetypeofprotectionpowderfilling"q",intendedforuseinpotentiallyexplosiveatmospheresofgas,vapourandmist.NOTE-Powder-filledelectricalapparatusandExcomponentsmaycontainelectroniccircuits,transformers,protectionfuses,relays,intrinsicallysafeelectricalapparatus,associatedelectricalapparatus,switches,etc.ThisstandardsupplementsIEC60079-0,therequirementsofwhichapplytopowder-filledelectricalapparatus.Thisstandardappliestoelectricalapparatus,partsofelectricalapparatusandExcomponentswith:-aratedcurrentlessthanorequalto16A;-aratedpowerconsumptionlessthanorequalto1000VA,intendedtobeconnectedtoasupplynotexceeding1000V.1.1DVAdditionof1.1DV:TheU.S.versionofIEC60079-5doesnotincluderequirementsforGroupIelectricalapparatus1.2DVAdditionof1.2DV:WherereferencesaremadetootherIEC60079standards,thereferencedrequirementsfoundinthesestandardsshallapplyasmodifiedbyanyapplicableU.S.NationalDifferences.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforMeasuringHairinessofYarnsbythePhoto-ElectricApparatus
【原文标准名称】:用光电仪测量纱线多毛性的标准指南
【标准号】:ASTMD5647-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:纤维;长丝纱线;指南;测量技术;物理性能;细纱;纺织纤维;纱线
【英文主题词】:fiber;fuzz;hairiness;yarn
【摘要】:Thephoto-electricmethodformeasuringthehairinessofyarnsisnotrecommendedforacceptancetestingofcommercialshipmentssinceexperiencehasshownthatresultsobtainedfrommachinesproducedbyonemanufacturercannotusuallybeverifiedbymachinesproducedbyanothermanufacturer.Thisguideisintendedtoincreasetheawarenessoftheusertoavailabletechniquesformeasuringhairiness.Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailableguidethoughithasnotbeenrecommendedforacceptancetestingofcommercialshipments.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogenousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Theremaybeadistinctdifferenceintestingspeedandtensiondevicesofmachinessuppliedbydifferentmanufacturersthatmaygivedifferencesinreportedtestresults.Themeasurementofhairinessisimportanttoyarnproducers.Thisguideisusefulforprocesscontrolandresearchoftheyarnsurfacedesignatanindividualmanufacturingfacility.Hairinessalsoisusedtoprovideyarnprocessingmachinedesign,andindicationsofmalfunctioningprocessequipment,suchasrotors,doffingmechanisms,guides,andtravelers.Itcanbeusedtoidentifysomecausesofbarrenessandshadevariationinfabrics.1.1Thisguidecoversthedeterminationofthehairinessofmostfilamentandspunyarnusingaphoto-electricsensorapparatus.Itisnotintendedforuseonnoveltyyarns.1.2ThisguideshowsthevaluesinSIunits."SIunits"isthetechnicallycorrectnameforasystemofmetricunitsknownastheInternationalSystemofUnits.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:3P.;A4
【正文语种】: