简介:Theα-decayofneutron-deficientheavynucleifarfromstabilityisanindispensablespectroscopictooltostudytheirlow-energystructure.220Pa,atrans-leadisotopeneartheshellclosureN=126,itsdecaypropertiesarestillnotwellestablished,thoughitwasstudiedintwoα-decayexperiments30yearsago[1,2].Recently,weappliedsuccessfullythemoderndigitalpulseprocessing(DPP)technique[3,4]tothedecayspectroscopyintheZ≥91andN=128~131region[5]andthedecaychainof220Pawasestablishedatthefirsttime.
简介:Polyamide/acrylonitrile-butadiene-styrenecopolymer(PA/ABS)blendshavedrawnconsiderableattentionfrombothacademiaandindustryfortheirimportantapplicationsinautomotiveandelectronicareas.DuetopoormiscibilityofPAandABS,developinganeffectivecompatibilizationstrategyhasbeenanurgentchallengetoachieveprominentmechanicalproperties.Inthisstudy,wecreateasetofmechanicallyenhancedPA6/ABSblendsusingtwomulti-monomermelt-graftedcompatibilizers,SEBSg-(MAH-co-St)andABS-g-(MAH-co-St).Thedisperseddomainsizeissignificantlydecreasedandmeanwhiletheunique“softshell-encapsulating-hardcore”structuresforminthepresenceofcompatibilizers.Theoptimummechanicalperformancesmanifestanincreaseof36%intensilestrengthandanincreaseof1300%inimpactstrength,comparedwiththeneatPA6/ABSbinaryblend.