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500 个结果
  • 简介:Basedonclustervariationmethod(CVM)andnaturaliterationmethod(NIM),order-disorderphasetransitionintheintercalationcompoundsM1/2TiS2issimulatedbycomputer.Thefavorableconditions,underwhich3a0×a0superstructureisformed,aregiven,andtheresultsareingoodagreementwiththeexperimentsandtheoreticalcalculations.TherelationshipbetweencriticaltemperatureandM-ion-vacancyinteractionparameterislinear.

  • 标签: 计算机模拟 群集变分法 迭代法 插层化合物 有序无序相转换 铁钛硫化合物
  • 简介:Background:Depressiondisordercoexistsinchronicdiseaseswithsomaticdiseasesandhashighmorbidity,disabilityandmortality.Currentresearcheshaveconfirmedthatdepressionmaybecausedbycoronaryheartdisease,hypertensionandheartfailure.Meanwhile,cardiovasculardiseasesmaycauseorworsendepression,leadingtoprolongedhospitalizationandcomplications.

  • 标签: 心血管疾病 抑郁症 慢性疾病 心力衰竭 发病率 死亡率
  • 简介:你的睡眠质量如何?是否有夜黑被噩梦惊醒的时候?科学研究证发现,我们正睡眠时,眼球仍然在迅速移动,那么这就表明你正在做梦,REM睡眠到底是怎么一回事?它与我们的大脑神经有何联系?相信读完下面的短文后,你就会找到答案的。

  • 标签: 大学英语 科普文章 阅读练习 注释读物
  • 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.

  • 标签: 情绪 患者 振幅变化 诱发电位 抑郁症 电位测定
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  • 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.

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  • 简介:针刺内关.足三里.乳根和肩贞穴.温灸膻中.治疗了62例产后缺乳患者。经7次治疗.30例产妇乳汁分泌每天400mL以上.精神饱满;26例乳汁分泌每天250mL左右.需补充牛奶喂养婴儿;6例乳汁分泌无明显改善.挤压双侧乳房极少量乳汁分泌。

  • 标签: 针刺疗法 灸法 泌乳障碍
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  • 简介:Therewasonceatraveler.Hewaswetandcoldbecausehehadbeenridingintherain.Atlasthereachedacountryinn(酒店).Theinnwassocrowded(拥挤的)withpeoplethathecouldnotgetclosetothefire,sohecalledouttotheinnkeeper,""Takesomefishtomyhorse!""Theinnkeeperanswered,

  • 标签: 初二 英语 幽默故事 阅读欣赏
  • 简介:RiceScience(ISSN1672-6308),sponsoredbytheChinaNationalRiceResearchInstituteandpublishedbytheElsevierBV,isaninternationalpeer-reviewedjournalwithfourissuesandonevolumeperyear.Itpublishesoriginalresearchpapers,shortcommunicationsaswellasreviewarticlesunpublishedonappliedricescienceinEnglishlanguage.

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