简介:Basedonclustervariationmethod(CVM)andnaturaliterationmethod(NIM),order-disorderphasetransitionintheintercalationcompoundsM1/2TiS2issimulatedbycomputer.Thefavorableconditions,underwhich3a0×a0superstructureisformed,aregiven,andtheresultsareingoodagreementwiththeexperimentsandtheoreticalcalculations.TherelationshipbetweencriticaltemperatureandM-ion-vacancyinteractionparameterislinear.
简介:Background:Depressiondisordercoexistsinchronicdiseaseswithsomaticdiseasesandhashighmorbidity,disabilityandmortality.Currentresearcheshaveconfirmedthatdepressionmaybecausedbycoronaryheartdisease,hypertensionandheartfailure.Meanwhile,cardiovasculardiseasesmaycauseorworsendepression,leadingtoprolongedhospitalizationandcomplications.
简介:Studiesonbrain-evokedpotentialandcontingentnegativevariation(CNV)inmooddisorderremaincontroversial.Todate,noCNVdifferencebetweenunipolarandbipolardepressionhasbeenreported.Brain-evokedpotentialsweremeasuredinthepresentstudytoanalyzeCNVinthreesubtypesofmooddisorder(mania,unipolardepression,andbipolardepression),andtheseresultswerecomparedwithnormalcontrols.Inthemaniagroup,CNVamplitudeBwasgreaterthanincontrols,andthedepressiongroupexhibitedlowerCNVamplitudeBandsmallerA-S'2area,andprolongedpost-imperativenegativevariationlatency.TheCNVcomparisonbetweenunipolarandbipolardepressionfoundthattheprolongedpost-imperativenegativevariationlatencywasonlyinunipolardepression.Theseresultssuggestthatprolongedpost-imperativenegativevariationlatencyisacharacteristicofunipolardepression,andCNVamplitudechangeisastatecharacteristicofmooddisorderpatients.
简介:ObjectiveToreportoutcomesofcochlearimplantation(CI)inachildwithauditoryneuropathyspectrumdisorder(ANSD)andtoprovidepreliminaryclinicalevidenceoftheefficacyofCIinANSDpatients.MethodsA4-year-oldboywithdiagnosedauditoryneuropathyspectrumdisorder(ANSD)receivedimplantationofaNucleusCI24Rafteranunsatisfactorytrialofamplification.Post-implantationperformanceinbothhearingsensitivityandspeechrecognitionwasassessedindifferentsessions.Aidedhearingthresholdsweretestedbybehavioralaudiometry.MandarinEarlySpeechPerceptionTest(MESP),MeaningfulAuditoryIntegrationScale(MAIS),categoryofauditoryperformance(CAP)andSpeechIntelligibilityRating(SIR)wereusedtoassessthebenefitsinauditoryskillsorspeechrecognitiontheboyobtainedfromCI.Thetestswereadministeredbeforesurgeryandat3monthsand7monthsafteropening.ResultsTheboydemonstratedimprovedauditorysensitivitybyusingCI.Concerningspeechrecognitionandcommunication,bothspeechaudiometryandquestionnairesshowedanobviousbenefitfromCI.ConclusionsCIhasworkedefficientlyinthisANSDboy.ButbecauseoflimitedunderstandingofANSDandrehabilitationeffectbycochlearimplantationinthiscondition,theclinicaldecisiontoimplantshouldbecautiousandonlyafterathoroughevaluation.Meanwhile,wellcontrolledandlongtermstudiesareneededtoconfirmtheefficacyofcochlearimplantationinpatientswithANSD.
简介:RiceScience(ISSN1672-6308),sponsoredbytheChinaNationalRiceResearchInstituteandpublishedbytheElsevierBV,isaninternationalpeer-reviewedjournalwithfourissuesandonevolumeperyear.Itpublishesoriginalresearchpapers,shortcommunicationsaswellasreviewarticlesunpublishedonappliedricescienceinEnglishlanguage.