【英文标准名称】:Aerospaceseries-Connectors,electrical,circular,scoop-proof,triplestartthreadedcoupling,operatingtemperature175oCor200oCcontinuous-Part010:receptacle,hermetic,roundflange,jamnutmounting-Productstandard.
【原文标准名称】:航空航天系列.连续使用温度175℃或200℃、圆形防碰擦、3层起动螺纹连接的电连接器.第010部分:锁紧螺母安装的圆形法兰密封插座.产品标准
【标准号】:NFL54-144-010-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-02-01
【实施或试行日期】:2008-02-09
【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】:航空航天运输;航空运输;圆形连接器;圆形;触点;接触布局;名称与符号;尺寸;电连接器;电触点;电插头;电气工程;电气系统;密封地;布置;安装材料;螺母;工作温度;插头;产品标准;速动连接件;额定值;防碰擦;选择;航天运输;螺纹连接件;类型
【英文主题词】:Aerospacetransport;Airtransport;Circularconnectors;Circularshape;Contact;Contactconfiguration;Designations;Dimensions;Electricconnectors;Electriccontacts;Electricplugs;Electricalengineering;Electricalsystems;Hermetically;Layout;Mountingmaterials;Nuts;Operatingtemperatures;Plugs;Productstandards;Quickcouplings;Ratings;Scoop-proof;Selection;Spacetransport;Threadcouplings;Types
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:20P.;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】: