简介：AIM:Todescribetheresultsof5consecutivecasesofclearlensextractioninangleclosurepatientsforthetreatmentofelevatedintraocularpressure(IOP).·METHODS:Retrospectiveobservationalcaseseries.Allangleclosurepatientswereontwoormoretopicalglaucomamedicationsandhadpriorlaseriridotomy.Eyesunderwentclearlensextractionbyphacoemu-lsificationwithintraocularlensimplantation.·RESULTS:Allfivepatientsinthiscaseseriescarriedthediagnosisofangle-closureglaucomaandhaduncontrolledIOPpriortosurgerydespitetopicalmedications.AfterclearlensextractionthreeofthecaseshadgoodIOPcontrol(IOP<22mmHg)withouttheneedfortopicalmedications.InonecasetheIOPwasbettercontrolledaftersurgery,however,topicalmedicationswererequired.ThedesiredIOPwasnotmetinonecasedespiterestartingmaximumtopicaltherapy.·CONCLUSION:Thiscaseseriessuggeststhattheremaybearolefortherapeuticclearlensextractioninselectcasesofangle-closureglaucoma.

简介：<正>DearSir,Weherebyreportacaseofbilateralacuteangleclosureglaucomasecondarytoasystemicdecongestantcontainingpseudoephedrinefreelyavailableoverthecounter.Acuteangleclosureglaucomaisanocularemergency.Delayedrecognitionandtreatmentinevitablyleadstopermanentvisualimpairment.Acuteangleclosureoccursasaresultofobstructiontoaqueousdrainagebyblockageofthetrabecularmeshworkbytheiris.Typicalpresentingsymptomsincludeacuteonsetofocularpain,headacheandblurredvision.Onclinicalexamination,itischaracterizedbyamarkedlyraisedIOPofabove21mmHgtogetherwith

简介：AIM:Toinvestigatetheefficacyandsafetyofkryptonlaserperipheraliridoplasty(LPIP)forChinesepatientswithprimaryangleclosure(PAC)orprimaryangle-closureglaucoma(PACG)statuspostlaseriridotomyinreversingthepositiveresultsofthedarkroomprovocativetest(DRPT).METHODS:Thisstudywasprospective,noncomparative,interventionalcaseseries.Thirty-threepatients(thirty-eighteyes)withPACorPACGstatuspostpatentlaseriridotomyandmaintainednormalintraocularpressure(IOP)butwithpositiveDRPTresultswereenrolled.AllthesubjectsweretreatedwithkryptonLPIP.DRPTwasrepeatedafterkryptonLPIP.ResultsofDRPTwererecorded.Thevisualacuity,IOPandgonioscopywereanalyzedbeforeandafterkryptonLPIP.Aminimumtimelimitforfollow-upwas6mo.RESULTS:Thirty-threepatients(thirty-eighteyes)werefollowedfor17.7±8.37mo(range7-41mo)afterLPIP.PositiveresultsofDRPTdecreasedfrom38eyesto9eyes(23.7%)afterLPIP.Peripheralanteriorsynechiaeofanglein34of38eyes(89.5%)remainedunchangedatdynamicgonioscopythroughoutthefollow-upperiodafterLPIP.CONCLUSION:LPIPdecreasedpositiveratesoftheDRPTsignificantly.ThemechanismmaybethatLPIPminimizedcontactbetweentheperipheralirisandtrabecularmeshwork,whichisakeyfactorfordevelopingperipheralanteriorsynechiae.

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简介：TheSaemangeumprojectincludeswell-developedtidalflats,twoestuariesoftheMankyeongandDongjinrivers,andachainofsmalliskandsintheouterareaoffthedikebyreclaimingasurfaceareaof40100ha.Alongseadikeof30kmhasbeenconstructedinthemid-westareaofKorea.ThispaperdescribestheconstructionoftidaldikesfocusingonthefinalclosureoperationperformedinApril,2006employingintermediatetechnology.Predictivemodellingwasalsocarriedouttopredictthereal-timeflowfieldsduringthegradualclosureoperationofthefinalstage.

简介：ＡｎＩｎｔｅｒｎａｔｉｏｎａｌＡｎｇｌｅｏｎｔｈｅＤａｌａｉＬａｍａ￥／／ＺＨＩＹＵＮＩｎａｓｕｄｄｅｎｍｏｖｅｏｎＭａｙ１４，１９９５，ｔｈｅＤａｌａｉＬａｍａ，ｓｐｅａｋｉｎｇｆｒｏｍｈｉｓｈｅａｄｑｕａｒｔｅｒｓｉｎＩｎｄｉａ，ｄｅｃｌａｒｅｄ...

简介：联合润滑油理论和CFD技术，一个有限元素模型被建立模仿rain-wind-induced颤动(RWIV)。基于Spalart-Allmaras(S-A)骚乱类型，COMSOL软件被采用计算风压力系数和与地点和时间变化的风磨擦系数。为了以不同的风速度验证小河的这个方法，形成和进化的诚实和合理性，被学习并且与存在相比试验性的结果。而且，小河的起始的形成的时间，地点，高度和宽度以不同的风速度被分析，电报倾斜角度和风偏航角度。结果证明上面提及的三个影响因素穿上大效果小河的形成，和影响趋势，范围和度与对方不同。

简介：Inthispaper,anewadaptiveoptimalguidancelawwithimpactangleandseeker’sfield-of-view(FOV)angleconstraintsisproposed.Tothisend,thegeneralizedoptimalguidancelawisderivedfirst.Achangeableimpactangleweighting(IAW)coefficientisintroducedandusedtomodifytheguidancelawtomakeitadaptiveforallguidanceconstraints.Afterintegratingtheclosed-formsolutionoftheguidancecommandwithlinearizedengagementkinematics,theanalyticpredictivemodelsofimpactangleandFOVanglearebuilt,andtheavailablerangeofIAWcorrespondingtoconstraintsiscertain.Next,acalculationschemeispresentedtoacquirethereal-timevalueofIAWduringtheentireguidanceprocess.Whenapplyingtheproposedguidancelaw,theIAWwillkeepsmalltoavoidatrajectoryclimbinguptolimitFOVangleataninitialtimebutwillincreasewiththeclosingtargettoimproveimpactpositionandangleaccuracy,therebyensuringthattheguidancelawcanjuggleordersofguidanceaccuracyandconstraintscontrol.

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简介：Aeratorisanimportantdeviceforreleaseworksofhydraulicstructureswithhigh-speedflowinordertoprotectthemfromcavitationdamage.Thiskindofprotectingeffectisrelatedcloselytocavitylengthbelowtheaerator,whilethecavitylengthisdominatedbytheemergenceangleovertheaerator.Thereforeitiscrucialtodeterminethisangleaccurately.Inthepresentpapertheaffectingintensitiesofflowdepthandthefluctuatingvelocityonthisanglewereanalyzedthroughtwointroducedparameters.Furthermore,theimprovedexpressionsofemergenceangleestimation,forbothramp-typeandstep-typeaerators,werepresentedbymeansof68setsofexperimentaldatafrom6projectsbasedonerrortheory.Theresultsshowedthatthepresentmethodhashigheraccuracythanthepreviouslyreportedmethods.

简介：ItwouldbeimpossibletounderstandIndiawithoutanyknowledgeaboutthereligionsofthiscountry.Indiaisadevelopingcountrywithmanyreligions,nationalitiesandlanguages.Thisnationhaslongbeennotedforitsdemocraticpoliticsandmulticulture.Indiawasfoundedontheprincipleofsecularism,butatthesametimeithassufferedfromreligions.Therefore,tohaveaclearideaaboutthebasicconditionsofIndia'smultiplereligiousbeliefsisthefoundationforstudiesofitsreligionsofthecountry,andisalsoonekeytograspingIndiansocialpolitics.InearlySeptember2004,theIndiangovernmentpublishedreligiousdatafromthe2001census.Accordingly,wecanmakesomebasicjudgmentsaboutthereligionsintoday'sIndia.

简介：方面折射是水平角调查的主要错误来源，但是它几乎没由分析影响在方面上有小影响在theultrahigh精确上大气违犯方面和角度调查ing。选择面向的方向对距离关键，在分成三角形定量的角度测量联网怎么在角度测量期间选择面向的方向被介绍，并且检查qua的工具点亮与Georobot调查汽车也向前被带。最后，当处理并且调查超离频精确的分成三角形定量网络时，减少方面折射的影响的一些解决方案被提出。

简介：Aleafinclinationangledistributionmodel,whichisapplicabletosimulateleafinclinationangledistributioninsixheightsoflayeredcanopyatdifferentgrowthstages,wasestablishedbycomponentfactorsaffectingplanttypeinrice.Theaccuracyofthesimulationresultswasvalidatedbymeasuredvaluesfromafieldexperiment.Thecoefficientofdetermination(R2)andtherootmeansquareerror(RMSE)betweenthesimulatedandmeasuredvalueswere0.9472and3.93%,respectively.Thesimulationresultsshowedthatthedistributionofleafinclinationanglesdifferedamongthethreeplanttypes.TheleafinclinationangleswerelargerinthecompactvarietyLiangyoupeijiuwitherectleavesthanintheloosevarietyShanyou63withdroopyleavesandtheintermediatevarietyLiangyouY06.TheleafinclinationanglesweredistributedinthelowerrangeinShanyou63,whichmatchedupwithfieldmeasurements.Thedistributionofleafinclinationanglesinthesamevarietychangedthroughoutthesevengrowthstages.Theleafinclinationanglesenlargedgraduallyfromtransplantingtobooting.Duringthepost-bootingperiod,theleafinclinationangleincreasedinShanyou63andLiangyouY06,butchangedlittleinLiangyoupeijiu.Ateverygrowthstageofeachvariety,canopyleafinclinationangledistributiononthesixheightsofcanopylayerswasvariable.Ascanopyheightincreased,thelayeredleafareaindex(LAI)decreasedinallthethreeplanttypes.However,whiletheleafinclinationanglesshowedlittlechangeinLiangyoupeijiu,theybecamelargerinShanyou63butsmallerinLiangyouY06.Thesimulationresultsusedintheconstructedmodelwereverysimilartotheactualmeasurementvalues.Themodelprovidesamethodforestimatingcanopyleafinclinationangledistributioninriceproduction.

简介：Theworkingprofileofwholecycloidalgearismadeupofepicycloidandhypocycloidentirely,accordingtothetheoryofmeshingofgearsandthepropertiesofthecycloid,dealswiththederivationofthepressureangleformulaforthewholecycloidalgearintheory,andrevealschangesofthepressureangleofwholecycloidalgearthroughexamples,findstheapplicationrelationshipsbetweenthepressureangleandotherdesignparametersofthewholecycloidalgear,provesthepossibilitythatthewholecycloidalgearcanbeusedininternalparallelmovegearmechanism,alsoprovidestheoreticfundamentfordesigninginternalparallelmovewholecycloidalgearcorrectly.

简介：ItisofgreatsignificancetohaveaclearunderstandingoftheinternationalenvironmentthatChinafaces.Butthisisanuneasyjob.SinceSeptember11,theworldsituationhasbecomesocomplicatedthatitishardtograspitsessenceevenwithpainstakingefforts.TojudgesuchanalreadycomplicatedinternationalenvironmentfromChina’sperspectiveaddsmoredifficulties,fordifferentpeopleusuallyhavedifferentviewsduetothedifferentanglesfromwhichtheyseethesituationanddifferentmethodstheyadopt.This,understandably,leadstohotdebateswithintheChineseacademiccircles.Toprovideastageforexchangeofviews,attheinvitationoftheCIRExpertForum,somewell-knownscholarsandexpertsoninternationalrelationsfromBeijinggatheredtoholdasymposiumonNovember5,2002,withthethemeof"HowtoassesstheinternationalenvironmentthatChinafaces".Thespeechesatthesymposiumarepublishedintwoinstallments.Followingarethesecondhalf.

简介：ObjectiveToreportexperienceswithuseofotoendoscopyincerebellopontineangle(CPA)surgeries.MethodsTwentyfivecasesofCPAsurgeriesperformedbetweenNovember2002andDecember2008inwhichmicroscopeenabledotoendoscopywasusedwerereviewed.The25casesincluded19casesofacousticneuroma,3casesofCPAfacialnervetumors,1caseoftrigeminalneurinoma,acaseofglossopharyngealneuralgiaand1caseofhemifacialspasm.Endoscopywasusedinallcasestogetherwithmonitoringofbrainstemauditoryresponsesandfacialelectromyography.Postoperativehearingandfacialnervefunctionwereevaluatedandcomparedtopre-operativelevels.ResultsEndoscopyprovidedimprovedvisualizationoflocalanatomy,revealedhiddenlesionsandreducedunnecessaryanatomicaldistortions.Totalresectionwasachievedin18ofthe19acousticneuromacases,Facialnerveanatomicalintegritywaspreservedinall19cases.OneweekpostoperativeHouse-BrackmanngradingwasIin3cases,Ⅱin10casesandⅢin6cases.Facialnervefunctioncontinuedtoimproveinsomecasesat3months.Totaltumorresectionwasachievedinall3patientswithfacialneurinoma.Thefacialnervewassacrificedin2ofthe3caseswithprimaryfaciohypoglossalnerveanastomosis.FacialnervefunctionwasGradeⅡandGradeIIIoneyearaftersurgery,respectively.Inthecasewithanatomicallypreservedfacialnerve,postoperativefacialnervefunctionwasinitiallyGradeⅢandimprovedtoⅡat3months.ThetumorwascompletelyresectedinthetrigeminalneurinomapatientwithaGradeⅢpostoperativefacialnervefunctionwhichimprovedGradeIIthreemonthslater.Seventeenofthe19patientswithacousticneuromaretainedhearingpostoperatively,ofthese12maintainedpreoperativelevelsofhearing.Preoperativehearingcapacitywaspreservedin2ofthe3patientswithfacialnervetumors,butlostinpatientswithothertumortypes.Glossopharyngealneurotomy(n=1)andmicrovasculardecompression(n=1)resultedinsatisfactorysymptomrelie

简介：ObjectivesToexplorethefeasibility,necessity,andsecurityoftranscatheterclosureofpatentductusarteriosus(PDA)ininfants.MethodsTherewere230infantswithPDA.Theageswere(7.3±3.2)monthsandtheweight(6.6±2.8)Kginaverage.Theywereseparatedintotwogroups.GroupAwasformedbytheinfantsweighinglessthan6Kg,GroupBover6Kg.RightheartcatheterizationwasperformedfirsttocalculatetheratioofQp/Qs.ThendescendingaortographydemonstratedthediameterandshapeofPDA.Properoccluderwasselectedtofinishtheintervention.Echocardiographywasperformedafterintervention24hoursand1,3,6,12and24months.ResultsInGroupAthetechnicalachievementratiowas94.6%withtheaveragediameterofPDA(6.2±3.2)mm.InGroupBthetechnicalachievementratiowas100%withtheaveragediameterofPDA(4.8±2.5)mm.WeusedtheAmplatzerDuctOccluderwiththetypefrom6-8mmto12-14mm,thedeliverysheathfrom6Frenchto8French.24hoursafterintervention,echocardiographydemonstratedthattherewere6residualshuntsinGroupAwhile22inGroupB.After1year,residualshuntexistedinneithergroup.Therewere4patientswhosefemoralarteriespulsedweaklyafterinterventioninGroupA,whileinGroupBtherewere3.Theyallrecovered24hoursaftertheapplicationofurokinase.InGroupAbloodflowvelocityindescendingaortaincreasedin5infants,whileinGroupBtherewere3.Theyallresumedin6-12months.ConclusionsTranscatheterclosureofPDAininfantsissafeandtechnicallyfeasible.However,indicationshouldbestrictlyselectedandtheinterventionshouldbeperformedbyexperiencedphysician.

简介：Inthisstudy,thesampledatawasbasedon2790samplesof9treesfromdahurianlarch（Larixgmelinii）plantationslocatedinQitaiheForestBureauinHeilongjiangProvince.ThemodifiedLogisticmodely=b1/[1+exp（b2x）]+b3wasselectedtomodelingmicrofibrilanglefromsixmodelsbasedonnonlinearregression.Then,thelogisticmodelwasfittedusingnonlinearmixed-effectmodelingapproachbasedonNLMEofS-PLUSsoftware.Evaluationstatistics,suchasAIC,BIC,LogLikelihoodandLikelihoodratiotestwereusedformodelcomparisons.TheresultsshowedthattheLogisticmodelwithparametersb1,b2,b3asmixedeffectsshowedthebestperformance.Correlationstructuresincludedcompound-symmetrystructure（CS）,first-orderautoregressivecorrelationstructureAR（1）,movingaveragecorrelationstructureMA（1）andautoregressive-movingaveragecorrelationstructure[ARMA（1,1）]wereincorpratedintothebestmicrofibrilanglemixedmodel.[ARMA（1,1）]significantlyimprovedtheprecisionofmixedmodel.Validationconfirmedthatthemixedmodelwithcalibrationofrandomparameterscouldprovidemoreaccurateandpreciseprediction.Therefore,theapplicationofmixedmodelnotonlyshowedthemeantrendsofmicrofibrilangle,butalsoshowedtheindividualdifferencebasedonvariance-covariancestructureandcorrelationstructure.