【英文标准名称】:Chemicalanalysisofferrousmaterials.Determinationofleadinsteels.Flameatomicabsorptionspectrometricmethod.
【原文标准名称】:黑色金属材料的化学分析.钢中铅的测定.火焰原子吸收光谱测定法
【标准号】:NFA08-318-1989
【标准状态】:现行
【国别】:法国
【发布日期】:1989-06-01
【实施或试行日期】:1989-06-20
【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】:试验;钢;材料;铅;材料试验;化学分析和试验;分析;火焰光谱法;火焰光度测定法;含量测定;金属;原子吸收光谱测定法;原子吸收分光光度测定法
【英文主题词】:Analysis;Atomicabsorptionspectrometry;Atomicabsorptionspectrophotometry;Chemicalanalysisandtesting;Determinationofcontent;Flamephotometry;Flamespectroscopy;Lead;Materials;Materialstesting;Metals;Steels;Testing
【摘要】:
【中国标准分类号】:H11
【国际标准分类号】:77_040_30
【页数】:6P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforEvaluatingtheResistancetoThermalTransmissionofMaterialsbytheGuardedHeatFlowMeterTechnique
【原文标准名称】:用保护的热流计技术评定材料耐传热性能的标准试验方法
【标准号】:ASTME1530-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E37.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:热流;材料样本;耐力;试验;热的;导热性
【英文主题词】:heatflowmeter;heatfluxtransducer;thermalconductance;thermalconductivity;thermalresistance;thinspecimen
【摘要】:Thistestmethodisdesignedtomeasureandcomparethermalpropertiesofmaterialsundercontrolledconditionsandtheirabilitytomaintainrequiredthermalconductancelevels.1.1Thistestmethodcoversasteady-statetechniqueforthedeterminationoftheresistancetothermaltransmission(thermalresistance)ofmaterialsinthicknessesoflessthan25mm.Forhomogeneousopaquesolidspecimensofarepresentativethickness,thermalconductivitycanbedetermined(seeNote0).Thistestmethodisusefulforspecimenshavingathermalresistanceintherangefrom10to400104m2K/W,whichcanbeobtainedfrommaterialsofthermalconductivityintheapproximaterangefrom0.1to30W/(mK)overtheapproximatetemperaturerangefrom150to600K.Itcanbeusedoutsidetheserangeswithreducedaccuracyforthickerspecimensandforthermalconductivityvaluesupto60W/(mK).Note0Abodyisconsideredhomogeneouswhenthepropertytobemeasuredisfoundtobeindependentofspecimendimensions.1.2ThistestmethodissimilarinconcepttoTestMethodC518,butismodifiedtoaccommodatesmallertestspecimens,havingahigherthermalconductance.Inaddition,significantattentionhasbeenpaidtoensurethatthethermalresistanceofcontactingsurfacesisminimizedandreproducible.1.3ThevaluesstatedinSIunitsareconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42;A54
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】: