NF C93-563-2-5-2004 手工压接工具.低频和射频设备用电缆和电线的压接终端工具.第2-5部分:数据总线设备用屏蔽双导线馈电线电缆的终端的特殊要求
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来源:标准资料网
【英文标准名称】:Handcrimpingtools-Toolsforthecrimpterminationofelectriccablesandwiresforlowfrequencyandradiofrequencyapplications-Part2-5:particularrequirementsfortheterminationoftwin-axcablefordatabusapplications.
【原文标准名称】:手工压接工具.低频和射频设备用电缆和电线的压接终端工具.第2-5部分:数据总线设备用屏蔽双导线馈电线电缆的终端的特殊要求
【标准号】:NFC93-563-2-5-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-07-01
【实施或试行日期】:2004-07-20
【发布单位】:法国标准化协会(AFNOR)
【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】:K47
【国际标准分类号】:25_140_30
【页数】:19P;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforSubsurfaceInstallationofCorrugatedPolyethylenePipeforAgriculturalDrainageorWaterTableControl
【原文标准名称】:农业排水或地下水位控制用聚乙烯波纹管地下安装的标准实施规范
【标准号】:ASTMF449-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:热塑性聚合物;塑料管;管;检验;建筑;工艺;安装;地下水面;农业;塑料制品;排水
【英文主题词】:Agriculture;Checks;Construction;Drainage;Installations;Pipes;Plasticpipes;Plasticsproducts;Processes;Thermoplasticpolymers;Watertable
【摘要】:
【中国标准分类号】:P94
【国际标准分类号】:23_040_20
【页数】:7P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUsingHeatFlowMeterApparatustoMeasuretheCenter-of-PanelThermalResistivityofVacuumPanels
【原文标准名称】:用热流仪表器具测量真空板条中心点耐热性的标准试验方法
【标准号】:ASTMC1667-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C16.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:effectivethermalresistance(effectiveR-value);thermalconductivity;thermalresistance;vacuuminsulationpanel;Heatflow;Heatflowmetermethod;Thermalresistance/resistivity;Vacuumpanels
【摘要】:Heatflowmeterapparatusarebeingusedtomeasurethecenter-of-panelportionofavacuuminsulationpanel,whichtypicallyhasaveryhighvalueofthermalresistivity(thatis,equaltoorgreaterthan90m-K/W).AsdescribedinSpecificationC1484,thecenter-of-panelthermalresistivityisused,alongwiththepanelgeometryandbarriermaterialthermalconductivity,todeterminetheeffectivethermalresistanceoftheevacuatedpanel.Usingaheatflowmeterapparatustomeasurethethermalresistivityofnon-homogenousandhighthermalresistancespecimensisanon-standardapplicationoftheequipment,andshallonlybeperformedbyqualifiedpersonnelwithunderstandingofheattransferanderrorpropagation.Familiaritywiththeconfigurationofboththeapparatusandthevacuumpanelisnecessary.Thecenter-of-panelthermaltransmissionpropertiesofevacuatedpanelsvaryduetothecompositionofthematerialsofconstruction,meantemperatureandtemperaturedifference,andthepriorhistory.Theselectionofrepresentativevaluesforthethermaltransmissionpropertiesofanevacuatedpanelforaparticularapplicationmustbebasedonaconsiderationofthesefactorsandwillnotapplynecessarilywithoutmodificationtoallserviceconditions.1.1Thistestmethodcoversthemeasurementofsteady-statethermaltransmissionthroughthecenterofaflatrectangularvacuuminsulationpanelusingaheatflowmeterapparatus.1.2Totalheattransferthroughthenon-homogenousgeometryofavacuuminsulationpanelrequiresthedeterminationofseveralfactors,asdiscussedinSpecificationC1484.Oneofthosefactorsisthecenter-of-panelthermalresistivity.Thecenter-of-panelthermalresistivityisanapproximationofthethermalresistivityofthecoreevacuatedregion.1.3ThistestmethodisbaseduponthetechnologyofTestMethodC518butincludesmodificationsforvacuumpanelapplicationsasoutlinedinthistestmethod.1.4ThistestmethodshallbeusedinconjunctionwithPracticeC1045andPracticeC1058.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q70
【国际标准分类号】:91_060_10
【页数】:8P.;A4
【正文语种】:英语
