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尤權、於偉國缺席省政協港澳委員和特邀委員座談會

時間：2025-05-14 19:39:10 來源：網絡整理編輯：休閑

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BEIJING--Chineseresearchershavesynthesizedtwonewnucleusisotopesthatcontain84neutronsand82neutrons,ac

BEIJING--Chineseresearchershavesynthesizedtwonewnucleusisotopesthatcontain84neutronsand82neutrons,accordingtoarecentresearcharticlepublishedinthejournalPhysicalReviewLetters.Thenucleusiscomposedofprotonsandneutrons.Differentnumbersofprotonsandneutronsmakeupnucleiwithdifferentpropertieswhichwerecallednucleusisotopesbyscientists.Thesynthesisandstudyofnewnucleusisotopesareofgreatsignificanceforunderstandingboththestructureofmatterandtheevolutionofthecelestialenvironment.Previousexperimentsonproton-richnucleithatcontainaround126neutronsshowedthatahigherprotonnumbereventuallyrendersthenucleusunstable.Toseeifthesamebehavioroccursfornucleithatcontainaround82neutrons,theresearchersfromtheInstituteofModernPhysics,ChineseAcademyofSciences,studiedtheosmium-160.Theysynthesizedosmium-160andwolframium-156andfoundthattheosmium-160contains84neutronsand76protons,moreprotonsthananyother84-neutronnucleus.Thestudyillustratestheevolutionofaneutronshellwith82neutronsontheneutron-deficientsideofthenucleusisotopes.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.

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