radioactive的知识精选
Radonisachemicallyinert,naturallyoccurringradioactivegas.Ithasnosmell,colourortaste.Radonisachemicallyinert,naturallyoccurringradioactivegaswithoutodour,colourortaste.Radonisanaturalradioactivegasthat...
Whentheorganismdies,nonewradioactivecarbonisassimilated.Dropsofanutrientsolutioncontainingradioactivecarbon-14wereaddedtoMartiansoil,andastreamofradioactivecarbondioxidewasdetectedrisingoutofthesoil.A...
aradioactiveisotopeofanelement;producedeithernaturallyorartificially.Thecity'schallenge,chiefly,istodisposeofcesium-137,aradioactiveisotopewithahalf-lifeof30years.Uptake,translocation,anddistribution...
Thepointoftheexperimentisthatradioactivedecayisaquantumprocess.Alphaparticlesaretheseheliumnuclei,andtheyaretheresultofradioactivedecay.Theprocessbywhichanatomchangesfromanunstablestatetoamorestablest...
Radonisradioactiveandhazardous.Radiumanduraniumareradioactiveelements.Thisradioactiveformofnitrogendoesnotoccurinnature.Avoidscontactingtheradioactiveraysandsomedeleterioussubstances.Theyusedheavylead...
GrowingupinsuburbanDetroit,DavidHahnwasfascinatedbyscience.WhilehewasworkingonhisAtomicEnergybadgefortheBoyScouts,David’sobsessiveattentionturnedtonuclearenergy.Throwingcautiontothewind,heplungedinto...
Brachytherapymeansplacingpackedradioactivesourcenearoronthesurfaceoftumorviabodycavity,orembeddingfineneedleintumortoimportradioactivesource.Unbeknowntothem,the"scrap"containedahighlyradioactivesour...
Oneisthatthechoiceofaradioactivepoison—asopposedto,say,anespeciallynastymuggingorroadaccident—wasintentionallysensational.AndsuchstatisticsmakeDOEofficialsconfidentthatYuccaMountainwouldbeasuitabled...
Andairmovementmustbeminimizedtoavoidstirringupandresurrectingthebaneofshelterworkers,radioactivedust.Itspurposeisnottoshieldradioactiveemissionsbuttopreventthereleaseofradioactivedustandothermaterials...
Inlibrary,thecontaminationscanbedividedintofourparts:i.e.chemicalcontamination,physicalcontamination,biologicalcontaminationandradioactivecontamination.Youmayhaveanothercertificateshowingthegoodstobef...
anoraldoseofradioactivesubstanceusedintreatmentanddiagnosisofcancer.Ifmostoftheirdopaminereceptorswerefree,ontheotherhand,theradioactivesubstancewouldbindtothem.ThewifeofaRussianspywhowaspoisonedwitha...
Alltheradioactivematerialsgiveofftheharmfulradioactivewhichcanbedeadlyathighlevels.Safetransportofradioactivematerials-Leakagetestingonpackages??Thewatercontainstwooftheleastdangerousradioactivemateri...
radioactiveeffluentdrainpiperadioactiveeffluentplantareaThedisposalmethodsofradioactiveeffluentbycementsolidificationandbituminisationatdomesticandoverseasarereviewed.Ofnecessitytheyaresitednearthecoa...
SafetransportofradioactivematerialleakagetestingonpackagesIrradiationleavesnotracesofradioactivematerialinfood.ThebigworriesonthereportedreleasesofradioactivematerialinJapancenteronradioactiveiodinean...
Ontheotherhand,theradioactivefalloutattheplantkeepsmounting.Theradioactivefalloutmightbeabiggerproblem,althoughcropfailuresfromeventemporarycoolingcouldresultinfamineinsomepartsoftheworld.Shiftingfrom...
cermetcontainingradioactiveelementsRadiumanduraniumareradioactiveelements.dispersion,ofceramicproductsandmixturescontainingradioactiveelementsThesunflowerskeptgrowing;intheprocess,theyabsorbedradioact...
bituminizationofradioactivewasteHAK[high-levelradioactivewaste]Characteristicrequirementsforsolidifiedwasteoflow-andintermediate-levelradioactivewaste--BitumensolidifiedwasteThegovernmenthasbeenstorin...
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