简介：AnAmericanscientistnamedWilliamDementpublishedexperimentsdealingwiththerecordingofeye-movementsduringsleep.Heshowedthatthecommonperson'ssleepisinterruptedfromtimetotimebyspecialeye-movements,somefloatingandslow,othersquickandrapid.Peoplewokenduringtheseperiodsofeye-movementsgenerallyreportedthattheyhadbeendreaming.Whenwokenatothertimestheyreportednodreams.

简介：Reconnaissancereportsandpertinentresearchonseismichazardsshowthatliquefactionisoneofthekeysourcesofdamagetogeotechnicalandstructuralengineeringsystems.Therefore,identifyingsiteliquefactionconditionsplaysanimportantroleinseismichazardmitigation.Oneofthewidelyusedapproachesfordetectingliquefactionisbasedonthetime-frequencyanalysisofgroundmotionrecordings,inwhichshort-timeFouriertransformistypicallyused.Itisknownthatrecordingsatasitewithliquefactionaretheresultofnonlinearresponsesofseismicwavespropagatingintheliquefiedlayersunderneaththesite.Moreover,Fouriertransformisnoteffectiveincharacterizingsuchdynamicfeaturesastime-dependentfrequencyoftherecordingsrootedinnonlinearresponses.Therefore,theaforementionedapproachmaynotbeintrinsicallyeffectiveindetectingliquefaction.AnalternativetotheFourier-basedapproachispresentedinthisstudy,whichproposestime-frequencyanalysisofearthquakegroundmotionrecordingswiththeaidoftheHilbert-Huangtransform(HHT),andoffersjustificationfortheHHTinaddressingtheliquefactionfeaturesshownintherecordings.Thepaperthendefinesthepredominantinstantaneousfrequency(PIF)andintroducesthePIF-relatedmotionfeaturestoidentifyliquefactionconditionsatagivensite.Analysisof29recordeddatasetsatdifferentsiteconditionsshowsthattheproposedapproachiseffectiveindetectingsiteliquefactionincomparisonwithothermethods.

简介：

简介：ObjectiveTorecordtheendocochlearpotential(EP)andcalculatepotassiumconcentration[K+]inMinipigcochleae.MethodsWeusedmulti-barreledelectrodestomeasuretheEPandthepotential,[K+].EPandpotassiumelectroderecordingweremadein9cochleaefrom5minipigstogetnormalEPvalues.ResultsTheaverageEPvalueinthecochleafromtheminipigswas77.3±14mV.Theaverage[K+]fortheminipigswas147.1±13mM.ConclusionsTheEPandpotential,[K+]inminipigsarelowerthaninthehumanandrodents.ThismaybethereasonwhyporcineABRthresholdsareslightlyhigherthanhumansandrodents.

简介：Thecombinationofelectroencephalogram(EEG)andfunctionalmagneticresonanceimaging(fMRI)isaveryattractiveaiminneuroscienceinordertoachievebothhightemporalandspatialresolutionforthenon-invasivestudyofcognitivebrainfunction.Inthispaper,werecordsimultaneousEEG-fMRIofthesamesubjectinemotionalprocessingexperimentinordertoexplorethecharacteristicsofdifferentemotionalpictureprocessing,andtrytofindthedifferenceofthesubjects’brainhemispherewhileviewingdifferentvalenceemotionalpictures.Thelatepositivepotential(LPP)isareliableelectrophysiologicalindexofemotionalperceptioninhumans.Accordingtotheanalysisresults,theslow-waveLPPandvisualcorticalbloodoxygenlevel-dependent(BOLD)signalsarebothmodulatedbytheratedintensityofpicturearousal.TheamplitudeoftheLPPcorrelatesignificantlywithBOLDintensityinvisualcortex,amygdala,temporalarea,prefrontalandcentralareasacrosspicturecontents.

简介：Inthispaper,spatiallyangularmultiplexingtechniqueinpulseddigitalholographyandanopticalsystembasedonthistechniqueareintroduced.Opticalsimulationandcalculatinganalysisshowthatthedesignedsystemcanbeemployedtorecordultra-fasteventsofatimeresolutioninnanosecond.

简介：Objective:Todescribeaprotocolforrecordingelectricalpotentialsfromthescalamedia,saccule,andutricleinmice.Method:CBA/Jmicewereusedandpotentialswererecordedwithglasselectrodesinsertedthroughthebasilarmembraneusingapatchclampsystem.Results:Restingpotentialsweresuccessfullyrecordedfromthescalamedia,sacculeandutricleusingdescribedprotocols.Conclusions:Withthemethoddescribed,onecanmeasurerestingpotentialsfromthescalamedia,sacculeandutricle,aswellascochlearmicrophonics(CM)andevenauditorynervecompoundactionpotentials(CAP),inasinglemouse.

简介：Objective:Electrocochleography(ECochG)isvaluabletodiagnoseMeniere'sdiseaseobjectively.TheaimofthepresentstudywastoprovidepreliminarynormativedataforECochGamongAsianadults.Theinfluencesofethnicity(MalayversusChinese)andgenderonECochGresultswerealsostudied.Methods:Twenty-twoMalayadults(10menand12women)andtwentyChineseparticipants(10menand10women)agedbetween20and49yearsparticipatedinthisstudy.ExtratympanicECochG(ET-ECochG)wasrecordedaccordingtostandardnon-invasiveprocedure.Summatingpotential(SP)amplitude,actionpotential(AP)amplitudeandSP/APratiowereanalyzedaccordingly.Results:ET-ECochGresultswerefoundtobecomparablebetweenleftandrightears(p>0.05).NonotabledifferencesinET-ECochGresultswerefoundbetweenMalayandChinesegroups(p>0.05).NosignificantinfluenceofgenderonET-ECochGoutcomeswasalsonoted(p>0.05).ThederivednormativedataforAsianadults(84ears)areconsistentwithpreviousreports.Conclusion:ThepresentstudyprovidespreliminarynormativedataforET-ECochGamongAsianadults.TheECochGcomponentsdonotappeartobeinfluencedbyeitherethnicityorgender.ThederivednormativedatacanbeusedforclinicalapplicationsandasthereferenceforfuturestudiesinvolvingAsianpopulation.

简介：Fe:BiOx电影被与在房间温度从80～200W增加劈啪作响的力量在氩空气下面一个BiFeO目标劈啪作响的rf磁控管在K9玻璃底层上制作。在160W的劈啪作响的力量种的薄电影能以适当免职率被形成并且有改进表面形态学，这被发现。XPS结果表明调查的电影由双性人，Fe和O元素组成。一个典型XRD模式证明没有阶段转变发生在这些电影直到400?吗？？

简介：Shingledmagneticrecording(SMR)caneffectivelyincreasethecapacityofharddiskdrives(HDDs).HostawareSMR(HA-SMR)isexpectedtobemorepopularthanotherSMRmodelsbecauseofitsbackwardcompatibilityandnewSMR-specificAPIs.However,anHA-SMRdriveoftensuffersperformancedegradationunderwrite-intensiveworkloadsbecauseoffrequentnon-sequentialwritesbufferedinthediskcache.Thenon-sequentialwritesmainlycomefromupdatewrites,smallrandomwritesandout-of-orderwrites.Inthispaper,weproposeahybridstoragesystemcalledROCOwhichaimstouseasolidstatedrive(SSD)cachetoimprovetheperformanceofanHA-SMRdrive.ROCOreordersout-of-orderwritesbelongingtothesamezoneandusestheSSDcachetoabsorbupdatewritesandsmallrandomwrites.WealsodesignadatareplacementalgorithmcalledCREAfortheSSDcache.CREAfirstconductszone-orientedhot/colddataidentificationtoidentifycold-cachedzonesandhot-cachedzones,andthenevictsdatablocksbelongingtocolderzoneswithhigherprioritiesthatcanbesequentiallywrittenorwrittenthroughhost-sideread-modify-writeoperations.Itgivesthelowestprioritytodatablocksbelongingtothehottest-cachedzonethathavetobenon-sequentiallywritten.ExperimentalresultsshowthatROCOcaneffectivelyreducenon-sequentialwritestotheHA-SMRdriveandimprovetheperformanceoftheHA-SMRdrive.