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440 个结果
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  • 简介:Evidence-basedpointselectionmethodsmeanselectingacupuncturepointsonthebasisofevidenceofclinicalefficacy.Whilemostofthisevidencecurrentlyderivesfromhistoricalliterature,whichrepresentstheaccumulatedclinicalexperienceofovertwomillennia,thereisalsoagrowingbodyofevidencebeingestablishedthroughacupunctureresearch.

  • 标签: 针灸疗法 中医治疗 临床研究 天突穴 定喘穴
  • 简介:Tobettersimulatemulti-phaseinteractionsinvolvingfailureevolution,thematerialpointmethod(MPM)hasevolvedforalmosttwentyyears.Recently,aparticle-basedmultiscalesimulationprocedureisbeingdeveloped,withintheframeworkoftheMPM,todescribethedetonationprocessofenergeticnano-compositesfrommoleculartocontinuumlevelsothatamultiscaleequationofstatecouldbeformulated.Inthisletter,amultiscaleMPMisproposedviabothhierarchicalandconcurrentschemestosimulatetheimpactresponsebetweentwomicrorodswithdifferentnanostructures.Preliminaryresultsarepresentedtoillustratethatatransitionregionisnotrequiredbetweendifferentspatialscaleswiththeproposedapproach.

  • 标签: 纳米复合材料 模拟程序 多尺度 MPM 相互作用 物质点法
  • 简介:Thepinchpointisimportantforanalyzingheattransferinthermodynamiccycles.Withtheaimtorevealtheimportanceofdetenniningtheaccuratepinchpoint,theresearchonthepinchpointpositioniscarriedoutbytheoreticalmethod.Theresultsshowthatthepinchpointpositiondependsontheparametersoftheheattransferfluidsandthemajorfluidproperties.Inmostcases,thepinchpointlocatesatthebubblepointfortheevaporatorandthedewpointforthecondenser.However,thepinchpointshiftstothesupercooledliquidstateinthenearcriticalconditionsfortheevaporator.Similarly,itshiftstothesuperheatedvaporstatewiththecondensingtemperatureapproachingthecriticaltemperatureforthecondenser.Itevencanshifttotheworkingfluidentranceoftheevaporatororthesupercriticalheaterwhentheheatsourcefluidtemperatureisveryhighcomparedwiththeabsorbingheattemperature.Awrongpositionforthepinchpointmaygenerateseriousmistake.Inbrief,thepinchpointshouldbefoundedbytheiterativemethodinallconditionsratherthantakingforgranted.

  • 标签: 夹点技术 换热器 位置 临界温度 热力学循环 蒸发器
  • 简介:在这份报纸,我们建议三削尖接近的分计划,与三个形状参数,那统一三不同存在三个点接近计划。为到C3连续性和为由使用劳伦多项式方法为参数的某些范围产生张肌产品表面的计划的集中的分曲线C0的一些足够的条件被讨论。曲线和表面设计的系统特别为衣服建模在服装CAD成功地基于我们的计划被开发了。

  • 标签: 细分 逼近 CAD建模 形状参数 充分条件 参数曲面
  • 简介:点集合归纳是在地图归纳的必要问题之一。在点集合归纳的要求分析上,这篇论文建议一个方法基于Kohonen网模型概括点集合;标准SOM算法被改进了以便保存原来的点集合的空间分发性质。例子说明那这个方法适合点集合的归纳。

  • 标签: KOHONEN网络 点群综合 科学研究 地球科学
  • 简介:CheckPoint软件技术有限公司日前宣布推出SmanEvent软件刀片(SmartEventSoftwareBlade),这是一款全新统一安全管理解决方案,可以实时监控多个安全系统的情况,包括防火墙、入侵防御(IPS)、预防数据丢失(DLP)和端点设备。SmartEvent对大量的日常威胁记录和事件进行过滤,对关键事件马上作出标记,并使安全管理员可以在管理界面中直接阻止攻击。

  • 标签: CHECK POINT 软件技术 刀片 安全管理 安全系统
  • 简介:我们证明一些固定的点定理。作为应用程序,我们在局部地围住的拓扑的向量空格在nonconvex集合的一个类上在不变的近似上获得Brosowski-Meinardus类型定理。

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  • 简介:Inthispaper,twoapproachesareusedtosolvethePerspectiveThree-PointProblem(P3P):thesymboliccomputationapproachandthegeometricapproach.Inthesymboliccomputationapproach,weuseWu-Ritt'szerodecompositionalgorithmtogiveacompletetriangulardecompositionfortheP3Pequationsystem.ThisdecompositionprovidesthefirstcompleteanalyticalsolutiontotheP3Pproblem.Inthegeometricapproach,wegivesomepuregeometriccriteriaforthenumberofrealphysicalsolutions.Thecompletesolutionclassificationfortwospecialcaseswiththreeandfourparametersisalsogiven.

  • 标签: 计算机视觉 画法三点问题 算法
  • 简介:Recently,manyauthorshavegeneralizedthefamousKyFan’sminimaxinequality.Inthispaper,weputforwardT-diagonalconvexity(concavity)conditionsanddevelopthemainresultsinthisrespect.Next.wediscusssomefixedpointproblems,andgeneralizetheFan-Glicksberg’sfixedpointtheorem.

  • 标签: T-diagonal quasi-concave (-convex) MINIMAX INEQUALITY fixed
  • 简介:KAMtheoremofreversiblesystemisusedtoprovideasufficientconditionwhichguaranteesthestabilityofaparabolicfixedpointofreversiblemappings,Themainideaistodiscusswhentheparabolicfixedpointissurroundedbyclosedinvariantcarvesandthusexhibitsstablebehaviour.

  • 标签: 稳定性 可逆映射 抛物线不动点 KAM定理
  • 简介:ChargedparticlediagnosticsisoneoftherequiredtechniquesforimplosionarealdensitydiagnosticsattheSG-IIIfacility.Severalprotonspectrometersareunderdevelopment,andsomepreliminaryarealdensitydiagnosticshavebeencarriedout.Theresponseofthekeydetector,CR39,tochargedparticleswasinvestigatedindetail.Anewtrackprofilesimulationcodebasedonasemi-empiricalmodelwasdeveloped.TheenergyresponseoftheCR39detectorwascalibratedwiththeacceleratorprotonsandalphasfroma241Amsource.AprotonspectrometerbasedonthefilteredCR39detectorwasdeveloped,andD–Dprimaryprotonmeasurementswereimplemented.Asteprangefilterspectrometerwasdeveloped,andpreliminaryarealdensitydiagnosticswascarriedout.AwedgedrangefilterspectrometerarraymadeofSiwithahigherresolutionwasdesignedanddevelopedattheSG-IIIfacility.AparticleresponsesimulationcodebytheMonteCarlomethodandaspectraunfoldingcodeweredeveloped.Thecapabilitywasevaluatedindetailbysimulations.

  • 标签: areal density DIAGNOSTICS CR39 detector SRF
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  • 简介:正HeEyeCareSystem(hereinafterreferredtoasHE),establishedin1996,isChina'sonlycomprehensiveeyecaresystemwithcentralizedadvantagesofhospitals,institutes,companies,teachingresearchcenters.Dr.HeWei,founder

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  • 简介:Palliativecareisthereliefofsymptomswithoutdealingwiththeunderlyingcause,e.g.useofanalgesia,torelievepain.Theuseofsuchanagentalleviatesthesymptomswithoutcuringtheunderlyingdisease.Thisisthetypeofcareforpatientswithseriousillnesses.Itfocusesonimprovingqualityoflife,notjustinyourbody,butalsoinyourmindandspirit.Thereisathinlinebetweenpalliativecareandhospicecare.

  • 标签: PALLIATIVE CARE