What is nuclear radiation.doc
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What is nuclear radiation.doc

Whatisnuclearradiation.doc

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Whatisnuclearradiation?Nowlet'sexaminewhatnuclearradiationis,andwhatwecandotoprotectourselvesfromit.RadiationcandamagecellsandtheirDNAthroughitsionizingeffect.Thiseffecthappenswhenahigh-energycarryingparticleorphotonremovesanelectronwithinanatom'snucleusfromitsorbit,therebychangingthepropertiesoftheatom.Ifthereisenoughionization,DNA,cell,andtissuedamagewilloccur.Damagetoone'shealthlargelydependsonthetimeanddensityofexposuretoradiation.Somesimplemeasurescanhelptopreventoneselffrombeingaffectedbyradiation.Becarefultoprotectfacialfeaturesandthebody,bywearingmasksandgloves.Donoteatordrinkcontaminatedfoodorwater.Whenexposedtoradiationoutdoors,takeashowerimmediately.Andfinally,someexpertssaytakingiodicpillscanhelp,butitmustbedoneundertheguidanceofadoctor.CountriesseeingminimalradiationeffectsManycountrieshaveenhancedmonitoringforpossiblenuclearfallout,afterseveralexplosionsatJapan'sFukushimanuclearpowerplant.Sofar,therehasbeennoevidenceofanynegativeeffectfromtheblastsinothernations.SouthKoreasaysradioactivesubstanceswillnotreachthenation.70monitoringsitesacrossthecountryhavereportednormalradiationlevels.Meanwhile,Russiasaysradiationlevelsarewithinlegallimitsatits32monitoringsitesonthefareastcoast.FaracrossthePacificOcean,thestateofCaliforniaintheUSsaysthereislittlepossibilitythatthewesterncoastoftheUSwillbeaffectedbytheblasts.Evenintheworstcasescenario,withmeltingrods,nuclearpollutioninJapanwouldnotposeanythreattotheUS.Teleinterview:Willradiationleaksbecomeworse?Formoreonthisissue,we'renowjoinedonphonebyMr.TengJianqun,DirectoroftheCenterforArmsControl,attheChinaInstituteofInternationalStudies.Thanksforjoiningus,Mr.Teng...Q1:Basedonthecurrentsituation,willtheradiationleaksattheFukushimaNuclearPlantbecomeworse?Q2:ManypeopleinChinaarequiteanxiousaboutthesituation,andofficialsaresendingoutmessagestoreassurethem.Pleasetelluswhythecountryisunlikelytobeaffected?Q3:Butintheend,weallsharethesamewater.Sowhatarethechancesofseaproductsbecomingcontaminated?Chinashowi