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简介：TheconceptofsoftmatterwasfirstintroducedbyP.G.deGennesinhisacceptancespeechfortheNobelPhysicsPrizein1991.Inmechanicscommunity,however,peopleusuallypreferusingsoftmaterialinsteadofsoftmattertodescribethematerialwhoseenergyassociatedwiththermalmotioniscomparativetotheinteractionenergy.Unlikeintheconventionalcondensedmatter,entropyplaysanimportantandevendeterminativeroleinsoftmaterials.Thisparticularcharacteristicofsoftmaterialgivesbirthtoverycomplexandkaleidoscopicsystems,suchasliquidcrystals,polymers,colloids,granularmaterials,andbiologicalsystems.Softmaterialshavemanyvagariousproperties,includingstrongreactiontoweakstimulus,nonlinearresponse,self-assembly,tonameafew,whichfullyembodythecomplexitiesandparticularitiesinmulti-scalecompositions,structuresandinteractions.Theluxuriantmulti-disciplinenatureandwideapplicationsofsoftmaterialshavesuccessfullyintriguedbothscientistsandengineersworldwide.

简介：Nano-particlecaptureisakeyprocessinfltration,separation,andbiomedicalapplications.Hereweexploredthemechanismsofsoftparticlecaptureusingnanofbernetworks.Weidentifedpossiblestatesofthecaptureprocess,whicharedefnedbytheirstructuralandmaterialparameters.Byperformingnumericalanalysis,weprovidedaphasediagramintheparametricspaceofthenetworkstructureandinterfacialadhesion.Theworkprovidesaconceptualmodelforrationaldesignofsyntheticmaterialsinrelatedapplicationsthatfocusontheprotectionagainstorremovalofvirus,aswellasothersoftparticles.

简介：ItisgenerallyacknowledgedthatmobilecommunicationbasestationsarecomposedofhardwarecomponentssuchasFieldProgrammingGateArray(FPGA),DigitalSignalProcessor(DSP),whichpromisereliableandfluentservicesforthemobileusers.However,withtheincreasingdemandforenergy-efficiency,approachesoflowpower-consumptionandhigh-flexibilityareneededurgently.Inthiscircumstance,GeneralPurposeProcessor(GPP)attractspeople'sattentionforitslow-costandflexibility.BenefitedfromthedevelopmentofmodernGPPinmulti-core,SingleInstructionMultipleData(SIMD)instructions,largercache,etc.,GPPsarecapableofperforminghigh-densitydigitalprocessing.Inthispaper,wecompareseveralsoftware-definedradio(SDR)prototypesandproposethegeneralarchitectureofGPP-basedsoftbasestations.Then,theschematicdesignofresourceallocationandalgorithmoptimizationinsoftbasestationimplementationarestudied.Asanapplicationexample,aprototypeofGPP-basedsoftbasestationreferringtothe3rdGenerationPartnershipProject(3GPP)LongTermEvolution(LTE)isrealizedandevaluated.Tothebestofourknowledge,itisthefirstSoft-LTEprototypeeverreported.Intheend,weevaluatethetimingperformanceoftheLTEsoftbasestationandapacketlossratiooflessthan0.003isobtained.

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简介：Wereviewtherecenttheoreticalstudyontheopticalpropertiesofone-dimensionalsoftphotoniccrystals（1DSPCs）withferrofluids.Theproposedstructureiscomposedofalternatingferrofluidlayersanddielectriclayers.Fortheferrofluid,singledomainferromagneticnanoparticlescanaligntoachainunderthestimuliofanexternalmagneticfield,thuschangingthemicrostructureofthesystem.Meanwhile,nonlinearopticalresponsesinferrofluidsarealsobrieflyreviewed.

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简介：<正>DearEditor,Wepresentacaseof'Rhegmatogenousretinaldetachmentfollowingelectricalshockinjury'forevaluationforpublicationinyourjournal.Toourknowledge,thisisthefirstcaseofretinaltearsandretinaldetachmentcausedbyanelectricalshockreportedintheliterature.That

简介：Indentationisasimpleandnondestructivemethodtomeasurethemechanicalpropertiesofsoftmaterials,suchashydrogels,elastomersandsofttissues.Inthiswork,wehavedevelopedamicro-indentationsystemwithhigh-precisiontomeasurethemechanicalpropertiesofsoftmaterials,wheretheshearmodulusandPoisson’sratioofthematerialscanbeobtainedbyanalyzingtheload–relaxationcurve.Wehavevalidatedtheaccuracyandstabilityofthesystembycomparingthemeasuredmechanicalpropertiesofapolyethyleneglycolsamplewiththatobtainedfromacommercialinstrument.Themechanicalpropertiesofanothertypicalpolydimethylsiloxanesamplesubmergedinheptanearemeasuredbyusingconicalandsphericalindenters,respectively.ThemeasuredvaluesofshearmodulusandPoisson’sratioarewithinareasonablerange.

简介：AttheinitialoperationstageofthecontinuousbloomcasteratBaosteel,alotofcentralporosityandcracksoccurredinblooms,especiallyinthebloomsofhigh-pressureboilersteel.Inthisstudy,amodelofheattransferandsolidificationwassetuptoanalyzetheprocessofcontinuousbloomcasting.Basedonthemodel,thedistributionsoftemperaturefieldandshellthicknesswereobtained,themushyzonewasdefined,andtherebythetechnologyofsoftreductionforbloomswasdeveloped.Afterseveraltestswereconducted,areasonabletestplanwasdeveloped,whichledtothedeterminationoftheoptimalreductionzoneandgaugereduction.Now,centralporosityandcracksinbloomsarealmostavoidedandtheinnerqualityhasbeenobviouslyimproved.

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简介：软沉积的变丑结构的间隔在在西方的Qaidamu盆的侏罗记湖的存款是暴露得好的。通过地观察，许多软沉积的变丑结构能被识别，例如旋绕的床上用品，液化的沙静脉，负担和火焰结构，商业萧条结构和重叠滑动的结构。基于他们的开始，软沉积的变丑结构能作为三种类型被分类：地震导致的结构，垂直装载结构，并且水平砍结构。基于他们的几何学和开始分析，他们是地震导致结构。根据旋绕的床上用品结构和液化的沙静脉的特征，在中间的侏罗记期间有比在学习区域的大小6大的地震，这能被推断。而且，商业萧条结构的学习和重叠滑动的结构显示在中间的侏罗记期间有一个东南的斜坡。自从到Altyn山和Altyn差错的来自学习区域的距离，是仅仅10km，Altyn山然后存在并且Altyn罢工滑倒差错在中间的侏罗记期间是活跃的，这能也被推断。

简介：Inthisstudy,weaimedtoexploretheroleofursolicacidintheneuralregenerationoftheinjuredsciaticnerve.BALB/cmicewereusedtoestablishmodelsofsciaticnerveinjurythroughunilateralsciaticnervecompletetransectionandmicroscopicanastomosisat0.5cmbelowtheischialtuberosity.Thesuccessfullygeneratedmodelmiceweretreatedwith10,5,or2.5mg/kgursolicacidviaintraperitonealinjection.Enzyme-linkedimmunosorbentassayresultsshowedthatserumS100proteinexpressionlevelgraduallyincreasedat1-4weeksaftersciaticnerveinjury,andsignificantlydecreasedat8weeks.Assuch,ursolicacidhasthecapacitytosignificantlyincreaseS100proteinexpressionlevels.Real-timequantitativePCRshowedthatS100mRNAexpressionintheL4-6segmentsontheinjurysidewasincreasedafterursolicacidtreatment.Inaddition,themuscularmassindexinthesoleusmusclewasalsoincreasedinmicetreatedwithursolicacid.Toluidinebluestainingrevealedthatthequantityandaveragediameterofmyelinatednervefibersintheinjuredsciaticnerveweresignificantlyincreasedaftertreatmentwithursolicacid.10and5mg/kgofursolicacidproducedstrongereffectsthan2.5mg/kgofursolicacid.Ourfindingsindicatethatursolicacidcandose-dependentlyincreaseS100expressionandpromoteneuralregenerationinBALB/cmicefollowingsciaticnerveinjury.

简介：Todeterminethevalueofdissectingtherecurrentlaryngealnerveduringthyroidsurgerywithrespecttopreventingrecurrentlaryngealnerveinjury,weretrospectivelyanalyzedclinicaldatafrom5344patientsundergoingthyroidectomy.Amongthesecases,548underwentdissectionoftherecurrentlaryngealnerve,while4796didnot.Therewere12casesofrecurrentlaryngealnerveinjuryfollowingrecurrentlaryngealnervedissection(injuryrateof2.2%)and512casesofrecurrentlaryngealnerveinjuryinthosenotundergoingnervedissection(injuryrateof10.7%).Thisdifferenceremainedstatisticallysignificantbetweenthetwogroupsintermsoftypeofthyroiddisease,typeofsurgery,andnumberofsurgeries.Amongthe548casesundergoingrecurrentlaryngealnervedissection,128developedanatomicalvariationsoftherecurrentlaryngealnerve(incidencerateof23.4%),butnorecurrentlaryngealnerveinjurywasfound.Inaddition,theincidenceofrecurrentlaryngealnerveinjurywassignificantlylowerinpatientswiththeinferiorparathyroidglandandmiddlethyroidveinsusedaslandmarksforlocatingtherecurrentlaryngealnervecomparedwiththosewiththeentryoftherecurrentlaryngealnerveintothelarynxasalandmark.Thesefindingsindicatethatanatomicalvariationsoftherecurrentlaryngealnervearecommon,andthatdissectingtherecurrentlaryngealnerveduringthyroidsurgeryisaneffectivemeansofpreventingnerveinjury.

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简介：Forty-threepatientswithchronicspinalcordinjuryforover6monthsweretransplantedwithembryonicolfactoryensheathingcells,2–4×106,intomultiplesitesintheinjuredareaunderthesurgicalmicroscope.Thesympatheticskinresponseinpatientswasmeasuredwithanelectromyography/evokedpotentialinstrument1daybeforetransplantationand3–8weeksaftertransplantation.SpinalnervefunctionofpatientswasassessedusingtheAmericanSpinalInjuryAssociationimpairmentscale.Thesympatheticskinresponsewaselicitedin32casesbeforeolfactoryensheathingcelltransplantation,whileitwasobservedin34casesaftertransplantation.Concomitantly,sympatheticskinresponselatencydecreasedsignificantlyandamplitudeincreasedsignificantlyaftertransplantation.TransplantationofolfactoryensheathingcellsalsoimprovedAmericanSpinalInjuryAssociationscoresformovement,painandlighttouch.Ourfindingsindicatethatolfactoryensheathingcelltransplantationimprovesmotor,sensoryandautonomicnervefunctionsinpatientswithchronicspinalcordinjury.

简介：Hepatocellularcarcinoma(HCC)isoneofthemostdeadlyhumancancers,butitisverydifficulttoestablishananimalmodelbyusingsurgicalspecimens.Inthepresentexperiment,histologicallyintactfreshsurgicalspecimensofHCCweresubcutaneouslytransplantedinnon-obesediabetic/severecombinedimmunodeficienccy(NOD/SCID)mice.Thebiologicalcharacteristicsoftheoriginalandthecorrespondingtransplantedtumorsandcelllineswereinvestigated.Theresultsshowedthat5newanimalmodelsand2primarycelllinesweresuccessfullyestablishedfromsurgicalspecimens.Hematoxylin-eosinstainingshowedthatxenograftsretainedmajorhistologicalfeaturesoftheoriginalsurgicalspecimens.Thetwonewcelllineshadbeencultivatedfor3yearsandsuccessivelypassagedformorethan100passagesinvitro.Themorphologicalcharacteristicsandbiologicfeaturesofthetwocelllinesweregeneticallysimilartotheoriginaltumor.Thesubcutaneoustransplantanimalmodelswithhistologicallyintacttumortissueandprimarycelllinescouldbeusefulforinvivoandinvitrotestingofanti-cancerdrugsandbeidealmodelstostudyvariousbiologicfeaturesofHCC.

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