简介：Introduction,Theroleofleftventriculographyhasevolvedradicallyoverthelasthalf-century,buthasreceivedlittlenoticeintheacademicliterature.ThetechniqueandfrequencyofuseofleftventriculographyvaryacrossregionsoftheUnitedStates,institutions,andindividuals.

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简介：ThepurposeofthispaperistoverifytheSmulyanlemmaforthesupportfunction,andalsotheGateauxdifferentiabilityofthesupportfunctionisstudiedonitsdomain.Moreover,weprovideacharacterizationofFrechetdifferentiabilityofthesupportfunctionontheextremalpoints.

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简介：ThepurposeofthispaperistoinvestigatethepricingEuropeancalloptionvaluationproblemsundertheexerciseprice,maturity,risk-freeinterestrate,andthevolatilityfunction.Anadvancemethodology,Chebyshevsimulatedannealingneuralnetwork(ChSANN),isenforcedfortheBlack-Scholes(B-S)modelwithboundaryconditions.OurschemeisstableandeasytoimplementonB-Sequation,forarbitraryvolatilityandarbitraryinterestratevalues.Also,thecomparativeresultsdemonstratethattheattainedapproximatesolutionsareconvergingtowardstheexactsolution.ThegraphicalresultsshowthattheincreasingflowoftheEuropeancalloptionastheexponentialincreasetakesplaceinassets.Thepresentedalgorithmcanbefurtherappliedtootherfinancialmodelswithcertainboundaryconditions.Thealgorithmofthemethodshowsthattheapproachcanalsobeeasilyemployedontime-fractionalB-Sequation.

简介：Recently,IattendedaconferenceorganisedbytheEuropeanFoodSafetyAuthorityinthebeautifulandprosperousItaliancityofParma.Theoveralltopicoftheconferencewasriskassessment,andtheprogramincludedasectiononaspectsofenvironmentalriskassessment.Invariousareas,includingtheevalutionoftheeffectsofpesticideapplications,invasiveorganismsorgeneticallymodifiedplants(Arpaiaetal.,2014)preparinganenvironmentalriskassessmentisanobviouslyrelevantexercise.

简介：Theobjectiveofthisnoteistoprovidesome(potentiallyuseful)integraltransforms(forexample,Euler,Laplace,Whittakeretc.)associatedwiththegeneralizedk-BesselfunctiondefinedbySaifulandNisar[3].Wehavealsodiscussedsomeothertransformsasspecialcasesofourmainresults.

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简介：这份报纸与错过反应数据的nonignorable考虑分发函数和quantiles的评价问题。三条途径被开发估计分发功能和quantiles，即，Horvtiz-Thompson-type方法，回归归罪方法和扩充反的概率加权的途径。倾向分数被semiparametric指定指数的倾斜模型。为了在倾向估计倾斜的参数，得分，作者建议一个调整实验可能性的方法处理过去识别的系统。在一些常规条件下面，作者调查asymptotic性质为分发功能和quantiles建议了三个评估者，并且发现这些评估者有一样的asymptotic变化。大折刀方法被采用一致地估计asymptotic变化。模拟研究被进行调查建议方法论的有限样品表演。

简介：AnovelnumericalmodelbasedontheimageGreenfunctionandfirst-orderTaylorexpansionboundaryelementmethod(TEBEM),whichcanimprovetheaccuracyofthehydrodynamicsimulationforthenon-smoothbody,wasdevelopedtocalculatethesidewalleffectsonfirst-ordermotionresponsesandsecond-orderdriftloadsuponoffshorestructuresinthewavetank.Thismodelwasconfirmedbycomparingittotheresultsfromexperimentsonhydrodynamiccoefficients,namelythefirst-ordermotionresponseandsecond-orderdriftloaduponahemisphere,prolatespheroid,andbox-shapedbargeinthewavetank.Then,thehydrodynamicsoftheKVLCC2modelwerealsocalculatedintwowavetankswithdifferentwidths.Itwasconcludedthatthismodelcanpredictthehydrodynamicsforoffshorestructureseffectively,andthesidewallhasasignificantimpactonthefirstorderquantitiesandsecond-orderdriftloads,whichsatisfiedtheresonantrule.

简介：Intheanalysisoneconomicgrowthfactors,researchersusuallyusetheproductionfunctionmodeltocalculateandmeasureinfluencingfactors’contributionratestoeconomicgrowth.CommonproductionfunctionsincludetheCD(Cobb-Douglas)productionfunction,theCES(ConstantElasticityofSubstitution)productionfunction,theVES(VariableElasticityofSubstitution)productionfunction,andsoon.Inconsiderationofthediversityandcomplementarityofmodels,thepapercombinestheCDproductionfunctionwiththeCESproductionfunctionandthenproposesamixedproductionfunction.Withregardtotheparameterestimationofmodel,thepapergivesanimprovedfireflyalgorithmwiththehighprecisionandafastrateofconvergence.Withregardtothecalculationoffactors’contributionrates,traditionalmethodsgenerallyhavebigerrorsandarenotapplicabletocomplicatedmodels,sothepaperoffersanewmethodwhichcancalculatecontributionratesscientifically.Finally,thepapercalculatesthecontributionratesoffactorsaffectingChineseeconomicgrowthandgetsagoodresult.

简介：Objective:TheobjectiveofthisstudywastoexaminetheeffectofhypothyroidismonhearingfunctioninpatientssurgicallytreatedfordifferentiatedthyroidcancerandsubsequentlyexperiencedhypothyroidismduringpreparationforfollowupI-131scintigraphyscanbyeitherrecombinanthumanthyroidstimulatinghormone(rhTSH)treatmentorthyroidhormonewithdrawal(THW).Methods:Atotalof55patientsundergoingI-131scintigraphyscanfollowingsurgeriesfordifferentiatedthyroidcancerwereincludedinthestudy,including25patientspreparedbyadministrationofrecombinantTSH(rhTSHGroup)and30patientsbythyroidhormonewithdrawal(THWGroup).Results:Airconductionthresholdsat1,2and4kHzforbothearswerehigherduringhypothyroidperiodthanduringeuthyroidperiodforpatientsintheTHWgroup(p<0.05)butnotforpatientsintherhTSHgroup.Conclusion:Sensorineuralhearinglosswasdetected,especiallyatlowfrequencies,inpatientswithDTCaftersurgicaltreatmentwhosehormonereplacementtherapywaswithdrawnbutnotinthosereceivingrhTSH.ItisthereforepreferredtouserhTSHwhenpreparingforI-131scintigraphyscaninpatientsatriskforhearingloss.

简介：Neuromuscularactivityissuppressedduringmaximaleccentric（ECC）musclecontractioninuntrainedsubjectsowingtoattenuatedlevelsofcentralactivationandreducedspinalmotorneuron（MN）excitabilityindicatedbyreducedelectromyographysignalamplitude,diminishedevokedH-reflexresponses,increasedautogenicMNinhibition,anddecreasedexcitabilityindescendingcorticospinalmotorpathways.MaximumECCmuscleforcerecordedduringmaximalvoluntarycontractioncanbeincreasedbysuperimposedelectricalmusclestimulationonlyinuntrainedindividualsandnotintrainedstrengthathletes,indicatingthatthesuppressioninMNactivationismodifiablebyresistancetraining.Insupportofthisnotion,maximumECCmusclestrengthcanbeincreasedbyuseofheavy-loadresistancetrainingowingtoaremovedordiminishedsuppressioninneuromuscularactivity.Prolonged（weekstomonths）ofheavy-loadresistancetrainingresultsinincreasedH-reflexandV-waveresponsesduringmaximalECCmuscleactionsalongwithmarkedgainsinmaximalECCmusclestrength,indicatingincreasedexcitabilityofspinalMNs,decreasedpresynapticand/orpostsynapticMNinhibition,andelevateddescendingmotordrive.Notably,theuseofsupramaximalECCresistancetrainingcanleadtoselectivelyelevatedV-waveresponsesduringmaximalECCcontraction,demonstratingthatadaptivechangesinspinalcircuitryfunctionand/orgainsindescendingmotordrivecanbeachievedduringmaximalECCcontractioninresponsetoheavy-loadresistancetraining.

简介：Undersomemildconditions,wederivetheasymptoticnormalityoftheNadaraya-Watsonandlocallinearestimatorsoftheconditionalhazardfunctionforleft-truncatedanddependentdata.TheestimatorswereproposedbyLiangandOuld-Sai'd[1].TheresultsconfirmtheguessinLiangandOuld-Said[1].

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简介：FollowingreparativesurgeryfortetralogyofFallotorcriticalpulmonarystenosis(PS),patientsfrequentlypresentwithsevererightventricular(RV)volumeoverloadduetopulmonaryregurgitation,resultingindecreasedRVfunction.Surgicalpulmonaryvalvereplacement(PVR)isknowntoimproveRVfunction,butchangesinleftventricular(LV)functionafterPVRhaverarelybeendescribed.WesoughttodeterminethemidtermresultsregardingLVsystolicfunctionafterPVRusingcardiacMRIin40consecutivepatientswithrepairedTOF(31patients)orPS(9patients)withanageof29±9yearswhounderwentPVRfrom2006to2011atasinglecenter.CardiacMRIRVandLVvolumesbeforeandafterPVRwereanalyzed.Demographics,clinicalvariables,cardiopulmonarybypassduration,andmedicationswerereviewed.LVejectionfraction(LVEF)increasedfrom(54±8)to(57±6)%(P=0.02).BeforePVR,26patientshaddepressedLVEFof(49±5)%(range36–54%).Inthisgroup,LVEFincreasedby(7±7)%(P<0.0001)afterPVR.LowLVEFbeforePVRwascorrelatedwithincreasedLVEFafterPVR(regressioncoefficient-0.7,R2=0.59,P<0.0001).Demographics,medications,priorpregnancies,andcardiopulmonarybypassdurationhadnoeffectonLVEFafterPVR.TheincreaseinLVEFwasmostsignificantinpatientswithlowpre-PVRLVEF.

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