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1、核辐射的应用与防护（Applicationandprotectionofnuclearradiation）Thisarticleiscontributedbysunyan414141PdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.HealdTheChinaPersonalProtectiveEqu
2、ipmentCPPEApplicationandprotectionofnuclearradiationLiuXiangyang(76041troops,Guilin,Guangxiprovince)541001)NomajornuclearradiationaccidentshaveoccurredinChina,andtheradiationwaterlevelsoftheatmosphere,surfacewaterandwaterhavebeenbasicallymaintainedwi
3、thinthenaturalrange,andthenuclearradiationsafetysituationisgenerallygood.Butwiththedevelopmentofnuclearfacilities,therearestillsomesafetyproblems,suchasimproperuseofradioactivesources,aswellasthelossofradioactivesourcessafetyaccidentscausedbyhaveoccu
4、rred,countrieshavegivenahighdegreeofconcern.Preparationandinspectionofoilpipelines,irradiation,disinfectionofmicroorganisms,sterilizationoffood,extendedshelflifeandsoon.Heatreleasedfromanuclearreactorgenerateselectricity.1.2chargedparticleaccelerator
5、Chargedparticleacceleratorsaredevicesthatuseartificialmethodstoaccelerateelectrons,ions,etcinanelectricfieldtoahighenergystateandtoproduceotherhigh-energyparticles.Chargedparticleacceleratorscanbedividedintoneutrongenerator,subinjector,medicalacceler
6、ator,irradiationacceleratorandsoon.Inourcountry,highenergy(morethan1GeV),(100~000MeV)heavyionacceleratorofchargedparticleaccelerationdevicehas1electronpositroncollider,BeijingsynchrotronHefeiandLanzhou,inadditiontolowenergy(lessthan1001.1nuclearreact
7、orAnuclearreactorisadeviceforalargenumberofnuclearfissionreactions.Anuclearreactorismainlyusedin:(1)thenuclearreactorsasaneutronradiationsourceforbasicresearchandappliedresearchinnuclearphysicsofatoms;(2)thenuclearreactorasagammaraysource,researchand
8、productionapplicationinsterilizationandapplicationofradiationchemistry;(3)theuseofnuclearreactorstoproduceradioactiveisotopes,suchas233-u(233U),239plutonium(239Pu),strontium90137cesium(90Sr),(137Cs);(4)theuseof1ApplicationofnuclearradiationinChinaAtp
