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1、核輻射測(cè)量方法7（Radiologicalmeasurementmethod7）ThisarticleiscontributedbytheindependentABCThePPTdocumentmaynothaveagoodbrowsingexperienceattheWAPend.ItisrecommendedthatyouchooseTXT,ordownloadthesourcefiletothenativeview.Chapter7X-rayfluorescencemeasurementmethod7.1Xrayfluoresce
2、nceandquantitativeanalysisprinciple7.1.1theproductionofX-rayfluorescenceandtheproductionofmoseley'slawrayfluorescenceandmoseley'slawThenatureandcharacteristicsofX-raynatureandcharacteristicrayX-raysareelectromagneticwaveswithextremelyshortwavelengths.Thewavelengthsare10-
3、9to10-7cm.Arayisanelectromagneticwavewithaveryshortwavelengthofwavelengthat10wavelengths.Thecm.LambdasmallenergyhighElectromagneticspectrumLambdaisalowenergy-appliednucleartechnologyandautomationengineeringcollege-appliednucleartechnologyandautomationengineeringcollege-7
4、.1Xrayfluorescenceandquantitativeanalysisprinciple7.1.1theproductionofX-rayfluorescenceandtheproductionofmoseley'slawrayfluorescenceandmoseley'slawIthasthewave-particleduality.Ithasthewave-particleduality.E=hnu,nu=c/lambdaFluctuationspeedoflight,reflection,refraction,pol
5、arization,coherentscatteringwavelengthunit:10-10m12400(eV)E=lambda(10m)particleenergy,ionization,photoelectricabsorption,incoherentscatteringenergyunit:eV7.1XrayfluorescenceandquantitativeanalysisprincipleTheproductionof7.1.1Xrayfluorescenceandtheproductionofmoseley'slaw
6、rayfluorescenceandmoseley'slaw2XfluorescenceproducesfluorescenceTwosteps:1)whentheincidentparticlecollideswiththeatom,itisejectedfromaninnerelectron,andtheoriginalsonisintheexcitedstate.2)then(10-12~10-14s),atomiclayerwithintheelectronictocoordination,electronicspacebyth
7、eouterlayeroftheatomicelectronic,electronicenergydifferencebetweenthetwoshells,wasreleasedintheformofXrayfluorescence.7.1Xrayfluorescenceandquantitativeanalysisprinciple7.1.1theproductionofX-rayfluorescenceandtheproductionofmoseley'slawrayfluorescenceandmoseley'slaw3mose
8、ley'slaw11Ex=RhC(Zalphan)(2,2)n2n12Thenumberofelectronsinan-andinner-shellelectronnumber.Apositivenumbe
