简介:AcarefulanalysisoftheAME2012[1]databaseintheframeworkoftheinverseproblemsusingthedynamicautoregularizationmethodor,moreprecisely,theREGNprogram[2],whichistheconstructivedevelopmentoftheTikhonovregularizationmethod[3],revealsphenomenologicalfunctionalfeaturesofpreviouslyunknownparametersoftheBethe-Weizs¨acker(BW)massformula.
简介:Arabidopsisthalianahasmanyadvantagesforplantresearch,includingashortgenerationtime,smallsize,largenumberofoffspring,andarelativelysmallnucleargenome.TheseadvantagespromoteddeepenscientificinvestigationforvariousbiologicalissuesandcharacterizedmanygenesusingArabidopsisthaliana[1].Inthisstudy,dryseedsofArabidopsisthalianawereirradiatedbyneonionbeamsfrom100to500Gy.Thenabout10dryseedsweresownonMurashigeandSkoogmedium,eachtreatmentgrouprepeatedforthreetimes,andalltheculturedishesweregrowninthecultureroomswiththeconditionof22?Cunder18h-light/6h-darkcycle.ImageJsoftwarewasusedtomeasurethelengthofrootsandhypocotylfromthedigitalphotostakenonthe7thdayaftersowing.
简介:Weexperimentallydemonstratedadiode-pumpedKerr-lensmode-lockedfemtosecondlaserwithaYb:CaYAlO4crystalasthegainmedium.Pulsedurationasshortas33fswasobtaineddirectlyfromtheoscillatoratarepetitionrateof115MHz.Thecentralwavelengthwasat1059nmwithaspectralbandwidthof49nm.Theseare,tothebestofourknowledge,theshortestpulsesgeneratedfromaYb:CaYAlO4oscillator.
简介:Vanadiumalloys(V-Cr-Tiseries)areimportantcandidatematerialsforblanketcomponentsoffusionreactorsduetotheirlowactivationandhighstrengthatelevatedtemperatures.Low-temperatureirradiationembrittlementdeterminestheoperationtemperaturelimitofVanadiumalloysfortheapplicationtostructuralmaterialsoffusionreactorsirradiationresponseofvanadiumalloysneedstobeclarifiedfortheirapplication.Inthepresentstudy,specimensoftwoalloys(V-4Cr-4TiandV-5Cr-5Ti)wereirradiatedwithenergeticHeionsandheavyionstounderstandhardeningofthealloysduetoheliumaccumulationandcascadedamageproduction.