核輻射的應用與防護(application and protection of nuclear radiation)

核輻射的應用與防護(application and protection of nuclear radiation)

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時間:2018-05-15

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1、核輻射的應用與防護(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

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