NF A03-150-4-2006 金属材料.努氏硬度试验.第4部分:硬度值表
作者:标准资料网 时间:2024-05-06 01:18:55 浏览:8594
来源:标准资料网
【英文标准名称】:Metallicmaterials-Knoophardnesstest-Part4:tablesofhardnessvalues.
【原文标准名称】:金属材料.努氏硬度试验.第4部分:硬度值表
【标准号】:NFA03-150-4-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-03-01
【实施或试行日期】:2006-03-20
【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】:尺寸;硬度;硬度测量;硬度值;努氏(硬度);努氏硬度;材料;材料试验;数学计算;测量;金属材料;金属;计量学;穿透深度;表(数据);试验力;试验
【英文主题词】:
【摘要】:
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:28P;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforDescribingandSpecifyingtheSpectrometerofanOpticalEmissionDirect-ReadingInstrument
【原文标准名称】:光学辐射直读仪表的分光计的描述与规定用标准指南
【标准号】:ASTME1507-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E01.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:测量仪器;分光计;光学测量;辐射测量仪表
【英文主题词】:astigmatism;detection;diffractiongrating;direct-readingspectrometer;lineinterference;opticalemissionspectrometer(OES);opticalworkingresolution;radiationthroughput;scatteredlight
【摘要】:Direct-readingpolychromatorsareinstrumentscommonlyusedformulti-elementspectrochemicalanalysis.Thisguideseekstodescribethoseaspectsofsuchinstrumentsthatareofsignificanceinachievingusefulspectrochemicalperformance.Awarenessofparametersdescribedinthispracticewillmakemanufacturerscognizantoffactorstheyshouldconsiderindesigninginstruments,assistpurchasersofinstrumentsinmakingintelligentcomparisonsofcompetingdesigns,andmakeusersawareofthecompromisestheymustmakeinperformingparticulardeterminations.Adequatedescriptionofspectrometerspermitsformingqualifiedappraisalsonthreeimportantperformancecharacteristics:accuracyofanalysis,detectionlimits,andfreedomfromlineinterferences.1.1Thisguidecoversfeaturesofaspectrometerorpolychromatorusedforopticalemission,direct-reading,spectrochemicalanalysis.Apolychromatorinthissenseconsistsofaspectrometerwithanextendedandfixedwavelengthrangeandanarrayoffixedexitslitstoisolatethespectrallinesoftheelementstobemeasured.1.1.1Thisguidedoesnotapplytodirect-readingsystemsthatemployechellespectrometersandvidiconorotherdetectorswherethedesignparametersarequitedifferent.1.2Thisguidecoversonlytheopticalportionoftheinstrument,fromexcitationstandtophotomultipliers.1.2.1Onlygeneralstatementsaremadeaboutsourceunits.1.2.2Photomultipliersareincludedtotheextentthattheyaremountedwithinthespectrometertoconvertopticalintensitiestoelectricalsignals,andestablishtheinstrumentalprecisionofeachchannelasalightmeasuringdevice.Readoutsystemsarenotincluded.1.3Itisnotthepurposeofthisguidetoestablishbindingspecificationsortolerances,butrather,tocallattentiontoimportantparametersthatmanufacturersshouldincludeintheirliterature,toprovidemethodsformeasuringthoseparameters,andtoassignvaluesthatareindicativeofacceptablygoodperformance.Becauseofthegreatvarietyofdemandsimposedbyspectrochemicaltechniques,rigidperformancecriteriaarenotfeasible.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N34
【国际标准分类号】:17_180_30
【页数】:17P.;A4
【正文语种】:
【英文标准名称】:Cablesforportableearthingandshort-circuitingequipment(IEC61138:1994+A1:1995);GermanversionEN61138:1997+A11:2003
【原文标准名称】:便携式接地和短路设备用电缆
【标准号】:EN61138-2003
【标准状态】:现行
【国别】:
【发布日期】:2004-01
【实施或试行日期】:2004-01-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:绝缘线;接地;使用说明;乙丙橡胶;低压设备;短路装置;绝缘覆层;接地端子;绝缘电缆;电气工程;定义;低电压;易动的;电线;便携的;接地装置;电气设备;电缆;电缆;规范(验收);柔性;试验;作标记;聚氯乙烯;地线
【英文主题词】:
【摘要】:便携式接地和短路设备用电缆
【中国标准分类号】:K13
【国际标准分类号】:29_060_20;29_240_01
【页数】:20P;A4
【正文语种】:英语
