简介：Objective:Toobservetheeffectivenessofhighlyactiveantiretrovirustherapy(HAART)onHIV/AIDSpatients.Methods:UsingHIV-Iquantitativemethodsandimmunologicalfunctioninspection,wemonitored4HIV/AIDSpatientswhoweresufferingfromimmunologicaldeficiencyandweretreatedwithHAART.Results:ThereproductionofHIVinall4patientswasefficientlycontrolledatthe4thweekofthetreatment.Theaverageviralloaddecreasedby1.99Log/ml(0.73-2.46Log/ml).ThenumberofCO+4andCD+sshowedasteadycontinuousincrease4to12weeksafterthetreatment,withanincreaseof67.2%and103.0%respectively.CorrelativestudyamongdifferentvariablesafterthetreatmentrevealedthatpositivecorrelationexistedbetweenthenumberofCD+4andCD+3aswellasCD+8,whilenegativecorrelationexistedbetweenthenumberofCD+4andplasmaviralload.Conclusion:HIV-Iquantitativemethod(plasmaviralload)andthenumberofCD+4inperipheralbloodcanbeusedasimportantreferenceindicatorsinevaluatingHAART.

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简介：BasedontheanalysisoftheproblemsintraditionalGPmodel,thispaperprovidesthemodelwiththeutilityfunctionofthedecision-makerandcomparesthismodelwiththeonepresentedinreferencearticle[1].

简介：IntheresearchofusingRadialBasisFunctionNeuralNetwork(RBFNN)forecastingnonlineartimeseries,weinvestigatehowthedifferentclusteringsaffecttheprocessoflearningandforecasting.Wefindthatk-meansclusteringisverysuitable.Inordertoincreasetheprecisionweintroduceanonlinearfeedbacktermtoescapefromthelocalminimaofenergy,thenweusethemodeltoforecastthenonlineartimeserieswhichareproducedbyMackey-Glassequationandstocks.Byselectingthek-meansclusteringandthesuitablefeedbackterm,muchbetterforecastingresultsareobtained.

简介：Ｅｍｉｓｓｉｏｎ　Ｔｅｍｐｅｒａｔｕｒｅｓ　ｆｒｏｍ　Ｐｏｐｕｌａｔｉｏｎｓ　ｏｆ　Ｐａｒｔｉｃｌｅ　Ｕｎｓｔａｂｌｅ　Ｓｔａｔｅｓ　ａｓ　ａ　Ｆｕｎｃｔｉｏｎ　ｏｆ　Ｉｍｐａｃｔ　ＰａｒａｍｅｔｅｒＥｍｉｓｓｉｏｎＴｅｍｐｅｒａｔｕｒｅｓｆｒｏｍＰ...

简介：Anovelrepetitivecontrolstrategyfortheoutputwaveformofsingle-phaseCVCFinvertersispresented.Inthisscheme,theinversetransferfunctionofinverterisusedasacompensatortoobtainstableandsatisfyharmonicrejection.Besides,PDcontrollerisadoptedtoimprovetransientperformance.Simulationandexperimentalresults,whicharegottenfromaDSP-based400Hz,5.5KWinverter,indicatethattheproposedcontrolschemecanachievenotonlylowTHDduringsteady-stateoperationbutalsofasttransientresponseduringloadstepchange.

简介：ThepaperisacontributiontotheproblemofapproximatingrandomsetwithvaluesinaseparableBanachspace.Thisclassofset-valuedfunctioniswidelyusedinmanyareas.Weinvestigatethepropertiesofp-boundedintegrablerandomset.Basedonthisweendowitwith△pmetricwhichcanbeviewedasaintegraltypehausdorffmetricandpresentsomeapproximationtheoremofaclassofconvolutionoperatorswithrespectto△pmetric.Moreoverwealsocanestablishanalogoustheoremforotherintegraltypeoperatorin△pspace.

简介：ThispaperdealswiththeboundaryvalueproblemsforregularfunctionwithvaluesinaCliffordalgebra:（）W=O,x∈Rn\Г,w+（x）=G（x）W-（x）+λf（x,W+（x）,W-（x））,x∈Г;W-（∞）=0,whereГisaLiapunovsurfaceinRnthedifferentialoperator（）=（）/（）x1+（）/（）x2+…+（）/（）xnen,W（x）=∑A,（）AWA（x）areunknownfunctionswithvaluesinaCliffordalgebra（）nUndersomehypotheses,itisprovedthatthelinearbaundaryvalueproblem（whereλf（x,W+（x）,W-（x））=g（x））hasauniquesolutionandthenonlinearboundaryvalueproblemhasatleastonesolution.

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简介：TheexitwavefunctionincludingzeroandhighorderLauezoneshasbeensimulatedbybothmulti-slicemethodandelectrondynamicdiffractionanalyticalexpression.Coincidenceofthesimulationsbythesetwomethodswasachieved.ThecalculatedresultsshowedthattheexitwavefunctionhighlydominatedbyzeroorderLauezone,whilehighorderonesmodifytheexitwavefunctiontosomeextentdependingonthesituation.HighorderLauezoneeffectsbecomeimportantforthefollowingcases:sampleconsistsoflightelements,thethicknessisverythin,latticeplanarspacingperpendiculartothedirectionoftheincidentbeamislarge,andtheelectronbeamhaslongwavelength.InthesecasestheexitwavefunctionshouldbecorrectedbyaddinghighorderLauezoneeffects.TheanalyticalexpressioniseffectiveandconvenientfordealingwithhighorderLauezoneeffects.

简介：Inthisarticle,weanalyzethecharactersofSV-componentreceiverfunctionofteleseismicbodywavesanditsadvantagesinmappingtheS-wavevelocitystructureofcrustindetail.Similartoradialreceiverfunction,SV-componentreceiverfunctioncanbeobtainedbydirectlydeconvolvingtheP-componentfromtheSV-componentofteleseismicrecordings.OuranalysesindicatethatthechangeofamplitudeofSV-componentreceiverfunctionagainstthechangeofepicentraldistanceislessthanthatofradialreceiverfunction.Moreover,thewaveformofSV-componentreceiverfunctionissimplerthantheradialreceiverfunctionandgivesprominencetothePSconvertedphasesthatarethemostsensitivetotheshearwavevelocitystructureintheinversion.ThesynthetictestsshowthattheconvergenceofSV-componentreceiverfunctioninversionisfasterthanthatoftheradialreceiverfunctioninversion.Asanexample,weinvestigatetheS-wavevelocitystructurebeneathHIAstationbyusingtheSV-componentreceiverfunctioninversionmethod.

简介：Aim:TocomparetherecoveryrateofmorphologicallynormalandchromatincondensedspermatozoafromnativesemensamplesusingtheSpermPrepTMfiltrationcolumnsandPercollgradientcentrifugationandtodeterminetheinfluenceofthetwoprocessingtechniquesonfertilizationandpregnancyratesinanIVF-ETprogram.Methods:Sixteensemensamplesobtainedfrompatient'shusbandwereincludedinthisstudy.Eachwasdividedintotwoaliquots.ThefirstaliquotwasprocessedwithSpermPrepTMfiltrationcolumnsandthesecond,Percollgradientcentrifugation.Smearsweremadebeforeandaftersemenprocessingwithbothmethodsfortheevaluationofchromatincondensation(chromomycineCMA3)aswellasmorphology(strictcriteria)ofspermatozoa.Onehundredandseventyoocyteswereretrievedfromthepatientsandtheoocytesfromeachpatientweresubdividedintotwosets:onesetwasinseminatedusingspermatozoaprocessedwithSpermPrepTMandtheotherinseminatedaftersemenprocessingwithPercollgradientcentrifugation.Resuits:ThePercollmethodyieldedasignificantlyhigherpercentageofchromatincondensed(90.8±6.5%vs82.3±8.8%,P=0.017)andmorphologicallynormalspermatozoa(12.9±7.4%vs6.9±4.8%,P=0.001)incomparisontoSpermPrepTM.Whereas,spermcountrecoveryratewassignificantlyhigheraftertheuseofSpermPrepTMthanafterthePercollgradientcentrifugation.Thefertilizationratewassimilarbetweenthetwomethods.Conclusion:SemenprocessingwithPercollshouldberecommendedforintracytoplasmicsperminjectionasthenaturalselectionisbypassedandtheSpermPrepTMtechniquecouldberecommendedfor1VFandIUIprogramsasthespermconcentrationplaysamoresignificantroleintheseprocedures.

简介：Therelationshipbetweentheplane-orientationfunctionandthespace-orientationfunctionofwhiskersinwhisker-reinforcedmetalmatrixcompositeswasanalyzedtheoretically.Theactualorientationofwhiskersintheas-cast20%SiCw/Mgcomposite(SiCwcontentinvolumefraction)wereinvestigated,andtheelasticmodulusofthecompositewasmeasuredwithanultrasonicvelocityanalyzer.Resultsshowthatthereisanevidentdifferencebe-tweentheplane-orientationfunctionandthespace-orientationfunctionofwhiskersandthespace-orientationfunctioncanrepresenttheactualconditionofthecomposite.Onlybyusingthespace-orientationfunctionofwhiskers,thedifferenceofelasticmodulusoftheas-castcompositeindifferentdirectionscanbeexplainedreasonably.

简介：Inordertogaincircularlypolarizedlightofleft-handedandright-handedrotationbyusingafixeddevice,aleft-handedandright-handedrotationdoublefunctioncircularpolarizerisdesignedwithtwoλ/4retardersandonepolarizer,anditsoperatingprincipleisanalysedbymatrixopticalmeans.Theresultindicatesthatwhenthemonochromaticlightentersthiscircularpolarizerinthepositivedirectionandthenegativedirection,theemergentlightshouldbecircularlypolarizedlight,ofleft-handedandright-handedrotationrespectively.Thetestingsystemhasbeenestablishedtoverifytheaboveresults.

简介：NICFEDexpertsystem-arule-based"non-invasivecardiacfunctionevaluationandcardiacdiseasesdiagnosingexpertsystem"-isdiscussedinthispaper.Thesys-temcanberegardedasaninterpretationexpertsystemandasadiagnosticexpertsystem.Whenitisappliedtoevaluatecardiacfunction,itcanexplainmorethanonehundredparametersdetectedby"MCA-Ⅲcardiacfunctiondeviceofmulti-domainandmultidemension".Withtheseparametersthecardiacfunctionintimedomain,fre-

简介：Withamesoscalemodel(MM5)nestedwiththeglobalspectralmodelofNationalMeteorologicalCenter/CMAandespeciallywiththeforecastexperimentsastorainfallandtemperatureoftwenty-sevensamplingstationsinEastChinaforsixmonths(February,March,Aprilin1997andJune,July,Augustin1998),ithasbeenfoundthatthebetterpredictioncanbeperformedontheconditionthatthesurfacephysicalprocessofpracticalland-usecategoriesandphysicalparametersisparameterizedinparticularforecastdomain.limited-areamodel,land-usecategory,forecastexperiment

简介：ObjectivesTounderstandtheeffectofcarvedilolonthecoronaryvascularendothelialfunctionofthepatientswithcoronaryheartdiseaseafterpercutaneoustransluminalcoronaryangioplasty(PTCA).Methods51cases,havingoneormorethantwobranchesnarrow(≥70%),werediagnosedbycoronaryangiography.Thesepatientsweredividedrandomlyintocarvedilolgroup(n=28)andcontrolgroup(n=23)whodidnottakecarvedilol.Endothelin(ET)andnitrodioxide(NO)levelsofperipheralbloodweremeasuredbeforeandafterPTCA,beforeandaftertwoweeksbytakingcarvedilol.ResuitsComparedwiththeETandNOlevelsbeforePTCA,ETweremarkedlyincreasedandNOweredecreasedafterPTCA(p<0.05);comparedwiththeETandNOlevelsbeforetakingcarvedilol,ETweredecreasedandNOwereincreasedaftertwoweek(p<0.05),buttheETandNOlevelsofthecontrolgroupdidnotchangeintheperiodoftwoweeksobservation(p>0.05).ConclusionsCarvedilolmayimprovethecoronaryvascularendothelialfunctionafterPTCA.

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简介：Weproposedaschemeforthereconstructionofthequantumstatesforthecenter-of-massvibrationalmodeoftwotrappedions.Intheschemetheionsaremultichromaticallyexcitedbythreelasers.ThenmeasurementofthedifferencebetweenprobabilitiesoftheionsbeingbothinelectronicgroundandexcitedstatesdirectlyyieldstheWignercharacteristicfunctionforthecenter-of-massvibrationalstate.Theschemecanalsobeusedtoprepareentangledcoherentstatesforthecenter-of-massandrelativevibrationalmodes.