NF A89-579-4-2007 电阻焊接.电阻焊接用焊接电流的测量.第4部分:校准系统

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【英文标准名称】:StandardGuideforCorrectionofInterelementEffectsinX-RaySpectrometricAnalysis
【原文标准名称】:X射线光谱测定分析中共存元素效应校正的标准指南
【标准号】:ASTME1361-2002(2007)
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:E01.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:X射线;导则;X射线光度法;测量
【英文主题词】:fundamentalparameters;influencecoefficients;interelementeffects;X-rayfluorescence
【摘要】:AccuracyinquantitativeX-rayspectrometricanalysisdependsuponadequateaccountingforinterelementeffectseitherthroughsamplepreparationorthroughmathematicalcorrectionprocedures,orboth.ThisguideisintendedtoserveasanintroductiontousersofX-rayfluorescencecorrectionmethods.Forthisreason,onlyselectedmathematicalmodelsforcorrectinginterelementeffectsarepresented.Thereaderisreferredtoseveraltextsforamorecomprehensivetreatmentofthesubject(2-7).1.1Thisguideisanintroductiontomathematicalproceduresforcorrectionofinterelement(matrix)effectsinquantitativeX-rayspectrometricanalysis.1.1.1Theproceduresdescribedcorrectonlyfortheinterelementeffect(s)arisingfromahomogeneouschemicalcompositionofthespecimen.Effectsrelatedtoeitherparticlesize,ormineralogicalormetallurgicalphasesinaspecimenarenottreated.1.1.2Theseproceduresapplytobothwavelengthandenergy-dispersiveX-rayspectrometrywherethespecimenisconsideredtobeinfinitelythick,flat,andhomogeneouswithrespecttothedepthofpenetrationoftheexcitingXrays(2-5).1.2Thisdocumentisnotintendedtobeacomprehensivetreatmentofthemanydifferenttechniquesemployedtocompensateforinterelementeffects.ConsultRefs()fordescriptionsofothercommonlyusedtechniquessuchasstandardaddition,internalstandardization,etc.
【中国标准分类号】:A43
【国际标准分类号】:71_040_50
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Electricalinstallationsforlightingandbeaconingofaerodromes-Characteristicsofinsetandeleveatedluminiaresusedonaerodromesandheliports
【原文标准名称】:飞机场照明和信标导航用电气装置.飞机场和直升机场用嵌入式和高架灯的特征
【标准号】:IEC/TS61827-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC97
【标准类型】:()
【标准水平】:()
【中文主题词】:监视装置;空中运输;运输安全;地下;航灯;照明系统;航空港;灯具;照明设备;规范(验收);高架灯;着陆跑道;起飞跑道;效率;安全装置;飞机场;质量保证;元部件;电气设备;环境条件;定义;分类系统;检验;机场导航灯;嵌入式灯;性能;环境;试验
【英文主题词】:components;environmentalcondition;qualityassurance;performance;testing;airportnavigationlights;inspection;electricalequipment;airports;safetydevices;lightingsystems;underfloor;elevatedluminaires;insetlights;efficiency;airtraffic;specification(approval);navigationlights;classificationsystems;definitions;definition;lightingplants;monitoringdevice;luminaires;transportationsafety;landingrunway;take-offrunway;environment;airfields
【摘要】:ThisTechnicalspecificationdefinestherequirementsandtestingproceduresforinsetandelevatedluminaireswithlampsusedinaeronauticalgroundlightingsystemsandexcludingluminairesforgenerallighting.
【中国标准分类号】:V56
【国际标准分类号】:29_140_50;93_120
【页数】:32P.;A4
【正文语种】:英语