学科分类
/ 2
25 个结果
  • 简介:Wegiveadetaileddescriptionofnonconstantharmonicfunctionsonthelevel3SierpinskigasketThenweextendthemethodonβ-setwith1/3<β<1/2.

  • 标签: 调和函数 非恒定 谢尔
  • 简介:TeleconferenceonIntegratedReformofPublicHospitalsatCountyLevelwasconvenedonApril4,2014inBeijing.LiKeqiang,MemberoftheStandingCommitteeofthePoliticalBureauofCPCCentralCommitteeandPremieroftheStateCouncilhadmadeimportantinstructions,'PublichospitalsatcountylevelarethemainbodyofChina'smedicalhealthservicesystem,areserving900millionruralresidentsandareakeylinkinsolvingtheproblemsofexpensivemedicalbillsanddifficult

  • 标签: 电视电话会议 医院 县级 改革 服务体系 国务院总理
  • 简介:BuildingnationalhumanrightseducationandtrainingbasesispartofChina’shumanrightsdevelopment,whichshowsthestrongwilloftheChinesegovernmentforpromotinghumanrightsandstrengtheninghumanrightsprotection.Suchanactionisnotonlyapracticalmeasureforimplementinginternationalhumanrightsactionplans,butalsoapracticeoftheChinesegovernmentinrespectingandimplementingrelevantinternationalobligationssetbytheUnitedNations.

  • 标签: 人权 国家级 中国政府 联合国 国际 维权
  • 简介:本文在梳理、分析2010年以来英国GCEA-Level物理历届考试试题的基础上,对其典型案例进行分析,讨论了相关试题是如何评价学生的,以期对我们的试题命制提供参考。

  • 标签: 英国GCE A-Level物理考试 物理试题
  • 简介:在最低一半的可变厚度--模型水平(LML)经常在大气的模型被使用计算象潜伏、理智的表面那样的诊断的地加热的表面流动。模仿的热带气旋(TC)上的LML的效果进化在使用theWeather研究并且预报的这研究(WRF)被调查模型。当LML被放在12m下面时,结果在TC进化上表明了LML的著名影响。TC增强率与一降低LML日益增多地减少了,但是它的最终的紧张变化是相对小的。最大的10-m风显示出不同行为到最小的海水平压力和平均azimuthally的正切的风,并且因此,风压力关系被改变LML因此改变。TC发行量是更多与更高的LML联合收缩了。表面潜伏的热流动被提高LML极大地提高,在LML的风速度在那里起了一个主导的作用。处于在LML的风速度的变化他们的侧面差别,而且他们被带从的不同高度依赖于不仅。由于提高的表面热流动,更多的强烈的潜伏的热版本发生在eyewall,它增加了暴风雨增强。更高的LML趋于生产更大的暴风雨,因此,表面磨擦被增强它接着和加热的增加的diabatic导致了更强壮的边界层流入。

  • 标签: 热带气旋强度 表面摩擦 层高 标准 结构 大气模型
  • 简介:Abstract:Hydrologicalregimesinfluenceecologicalpatternsandprocessesaswellasalterratesofwetlandevapotranspiration.ThisstudyaimedtoinvestigatetheimpactofgroundwaterfluctuationonevapotranspirationofPhragmitesaustralis.SupportedbyfielddataobtainedfromtheBaiyangdianLakeinnorthernChina,thevariationsingroundwaterlevelswereexplored,andthechangesinsoilwaterandevapotranspirationofreedwereanalyzedtoinvestigatedifferentgroundwaterlevelscenariosusingHYDRUS-1Dmodel.Theresultsshowedthatsoilwatercontent,rechargedbygroundwater,remainedstableinthelowersoillayerbutvariedstronglyintheupperlayerofthesoilprofile;incomparisontoevaporation,Phragmitesaustralistranspirationcontributedsignificantlymoretotheoverallevapotranspirationrate;thehighlevelsofevapotranspirationcouldbemaintainedwhengroundwaterlevelsvarybetween1.0mand1.8m,whileitwasreducedwithanincreaseingroundwaterlevelsasaresultofwaterstressconditions.TheresultsalsoindicatedthattheevapotranspirationofPhragmitesaustraliscouldmaintainhigherevapotranspirationratesundernaturalwaterlevels.Theevapotranspiration,inotherwords,mightbethemainwaterconsumer,butitneverthelesshaslittleeffectonwaterlevelsduringwatershortages.TheevapotranspirationofPhragmitesaustralisrespondedtothechangesingroundwaterlevelscouldhelpresearchersunderstandwaterrequirementsofthewetlandsandestablishsuitablewaterlevelsforthewetlands.

  • 标签:
  • 简介:BackgroundIncreasedserumleveloflipoprotein(a)(Lp(a))isassociatedwithatherosclerosis.WhetherincreasedLp(a)levelisindependentlyassociatedwiththeseverityofcoronaryarterydisease(CAD)isunclear.MethodsSubjectswereenrolledandreceivedcoronaryangiographytoassessthenumberofstenosedcoronaryartery.ThesubjectswithCADweredividedintonon-significant(<50%stenosis),singleandmultivesselstenosis(≥50%stenosis)groups.Parametersofinterestatbaselinewerecollected.StatisticalanalyseswereperformedtoevaluatetherelationshipbetweenLp(a)levelandCADseverity.ResultsTotally745populationswereenrolledanddiagnosedasCAD(n=605)orwithoutCAD(n=140)onthebasisofangiographyexamination.AscomparedtothesubjectswithoutCAD,serumlevelsofLp(a)andCRP,andthepercentagesofsubjectswithsmokingordiabetesweresignificantlyhigherinsubjectswithCAD.Incontrast,serumlevelsofHDL-CandApo-AweresignificantlylowerinsubjectswithCADascomparedtosubjectswithoutCAD.Incomparisonofsubjectswithnon-significantstenosis(serumLp(a)level,170.0±19.7mg/dL),serumLp(a)levelwassignificantlyhigherinsubjectswithsingle(245.5±22.3mg/dL)ormultiplevesselstenoses(265.8±14.0mg/dL).Withmultivariateregressionanalyses,afteradjustedforage,gender,smoking,familyhistoryandhypertension,therewasstillsignificantassociationbetweenserumLp(a)levelandthenumberofcoronaryarterystenosis.Afteradditionaladjustmentfordiabetes,HbA1c,totalcholesterol,LDL-C,Apo-A,uricacidandCRP,Lp(a)remainedstronglyassociatedwithCADseverity.ConclusionSerumLp(a)levelwassignificantlyassociatedwiththeseverityofcoronaryarterystenosis,whichmayaddthevalueoncardiovascularriskevaluation.

  • 标签: 脂蛋白(a) 冠状动脉疾病 严重程度 清水 关联 立地
  • 简介:为形式的闲差事分析过程,模特儿由Ghobarah等求婚了。(此后打电话给G模特儿,1999)被扩大了说明对充分的理由运动激动的结构的全球地震损坏的短暂更高的模式的贡献。建议模型身体上并且完美地衔接了G模型,最后的弄软模特儿由DiPasquale和Cakmak(1988)求婚了。相应于所有考虑颤动模式的形式的损坏索引被CQC规则或SRSS规则联合。增长动态分析(IDA)在三个例子RC框架上被执行验证建议模型,并且全面比较被执行。示范显示建议模型是安逸的实现并且在结构的损坏进化上在短暂颤动时期和模式反映转变的影响。与建议模型联系的一些限制也被探讨。进一步试验性的确认被需要以后改进模型。

  • 标签: 地震损伤模型 高阶模态 PUSHOVER分析 钢筋混凝土框架 宏观 地面运动
  • 简介:ImageisatermthatmainlyembodiesinthecompositionofclassicalChinesepoetry(CCP).Effectivetranslationofimagesiscrucialtothegraspoforiginalmeaningsinapoem.Asaestheticbeautyistheprimaryconcerninpoetry,theconveyanceofbeautyinimagehasadirectimpactintranslation.Toanalyzetranslationstrategiesofimagerybeauty,thetheoryof"translationlevels"byXuJunisadoptedasacriterionincomparingvariantEnglishversionsofCCPintheaestheticlevel.ImagesareselectedfromSeven-characterquatrainstypifiedforabundantsourcesofimages,andfeaturesofimagesareputforwardattheaestheticlevel.Throughtheanalysis,imagesarerenderedbyrecreationofthesensuousandemotionalbeauty.

  • 标签: IMAGE TRANSLATION AESTHETIC LEVEL seven-character
  • 简介:Injurytoaxonsclosetotheneuronalbodiesinthemammaliancentralnervoussystemcausesalargeproportionofparentingneuronstodegenerate.Itisknownthatopticnervetransectionclosetotheeyeinrodentsleadstoalossofabouthalfofretinalganglioncellsin1weekandabout90%in2weeks.Usinglowlevellasertreatmentinthepresentstudy,wedemonstratedthattreatmentwithhelium-neon(660nm)laserwith15mWpowercoulddelayretinalganglioncelldeathafteropticnerveaxotomyinadulthamsters.Theeffectwasmostapparentinthefirstweekwithashortperiodoftreatmenttime(5minutes)inwhich65–66%ofretinalganglioncellssurvivedtheopticnerveaxotomywhereas45–47%ofretinalganglioncellsdidsoinopticnerveaxotomycontrols.Wealsofoundthatsingledoseandearlycommencementoflaserirradiationwereimportantinprotectingretinalganglioncellsfollowingopticnerveaxotomy.Thesefindingsthusconvincinglyshowthatappropriatelasertreatmentmaybeneuroprotectivetoretinalganglioncells.更多还原

  • 标签: 视网膜神经节细胞 激光治疗 视神经 仓鼠 成年 存活率
  • 简介:最早三叠纪的Yinkeng形成在著名Meishan节被暴露,华南,它为二叠三叠纪的边界(PTB)包含节和点(GSSP)的全球Stratotype。它记录有韵律的引申主要由marlstone和石灰石包括了的厘米规模。在捆的五种类型嵌入的两行诗的七种类型基于lithologic单位的出现和厚度被认出,建议他们的形成被周期的过程控制。观察的周期的各种各样的订单相关很好,另外的早三叠纪的对应物在华南记录了。这里,我们现在的新cyclostratigraphic基于lithologic厚度和Yinkeng形成的相对碳酸盐内容结果。碳酸盐内容的力量系列证明在整个形成认出的主要波长的比率类似于100kyr的短怪癖,33kyr斜,和21kyr领前周期,显示天体的信号在最早三叠纪的有韵律的继任被记录。在从费歇尔阴谋获得的显著lithologicrhythmicity和海平面的变化之间的坚固性显示高周波的气候的周期可能在PTB集体扑灭以后立即驾驶了海平面的变化。而且,从沉积记录解释的海平面的变化与100kyr匹配很好的4th顺序碳酸盐内容的短怪癖部件,思考短导致怪癖的气候改变的100kyr可能多半控制了4th顺序序列的免职,这从有韵律的继任认出了。

  • 标签: 海平面变化 煤山剖面 早三叠世 中国南方 早期 Fischer图解
  • 简介:Fuelwoodisoneofthemajorsourcesofenergyinthedomesticsectoracrosstheruralareas,especiallyinthedevelopingregionsacrosstheworld.TheNortheasternHimalayanstateofManipurisdominatedbythetribalpopulationthatlargelydependsonfuelwoodfromthenearbyforestarea.Theentiredependenceonforestsforenergyresourcesisaffectingthesustainabilityoftheforestecosystemintheregion,thusindicatingthelivelihoodconditions.Sinceland-useland-coverchangeisthekeydrivertothechangeinresourceavailabilityofaregion,thepresentstudyhastriedtoanalyzethelandcoverchangesoveraperiod28years.Thesecondmajorcomponentaffectingresourceavailabilityistheincreasingpopulationpressurethatleadstochangesinthelanddynamics,whichdirectlyaffecttheresourceproduction.Basedontheexistingconsumptionpattern,thetotalconsumptionoffuelwoodinthewatershedrangesfiomaminimumof289.992tons/yeartoamaximumof3545.719tons/yearwithanaverageof1561.956tons/yearintheyear2009andsimulatedfuelwoodconsumptionfortheyear2021isaround1469.260tons/year.Ninedifferentprobablescenariosofresourceareproposedtocalculatethestressvaluethatcanbeusedbythepolicy-makersandplannersforsuitablepolicyimplementationatthemicrolevelwithacomplexsocialsystem.

  • 标签: FUELWOOD energy FOREST COVER changes in
  • 简介:Underwatersensornetwork(UWSN)adoptsacousticcommunicationwithmoreenergy-consumptionandlongerpropagation-delay,whichbringgreatchallengestoprotocoldesign.Inthispaper,weproposedlevel-basedadaptivegeo-routing(LB-AGR)protocol.LB-AGRdividestrafficsintofourcategories,androutesdifferenttypesoftrafficinaccordancewithdifferentdecisions.Packetsupstreamtothesinkareforwardedunicasttothebestnext-hopinsteadofbroadcastingtoallneighbornodesasinpresentUWSNroutingprotocols.LB-AGRdefinesanintegratedforwardingfactorforeachcandidatenodebasedonavailableenergy,density,location,andlevel-differencebetweenneighbornodes,whichisusedtodeterminethebestnext-hopamongmultiplequalifiedcandidates.Throughsimulationexperiments,weshowthepromisingperformanceofLB-AGR.

  • 标签: 传感器网络 路由协议 自适应 水下 地理 相邻节点
  • 简介:two-time-level,三维的数字海洋发行量模型(命名MASNUM)与一个二水平的、单个步的Eulerian提交向后时差计划被建立。大规模海洋的运动的一个数学模型基于协调的地面追随者,Boussinesq,海洋动力学的平均Reynolds的原始方程。一个简单却很实际的Eulerian提交向后方法被采用为barotropic和baroclinic模式作为时差方法代替大多数比较喜欢的跳蛙游戏计划。提交向后方法具有精确性的秒顺序,由每时间步要求一仅仅功能评估计算地有效,并且没有在三水平的计划固有的计算模式。这个方法比跳蛙游戏计划优异因为稳定性的最大的时间步骤这样象在蹒跚的网孔的跳蛙游戏计划的一样两次大计算效率能被加倍。一个空间变光滑方法被介绍在数字集成控制非线性的不稳定性。模仿赤道的Rossbysoliton的繁殖的一个理想的数字实验被执行测试振幅和这个新模型的阶段错误。这个发行量模型的表演进一步被验证与一地区性(西北太平洋)并且一伪全球(有排除的北极海洋的全球海洋模拟)模拟实验。这二个数字实验与观察显示出相当好的同意。在这二个实验的稳定性的最大的时间步也在采用跳蛙游戏计划的这个模型和那个模型之间被调查并且比较。

  • 标签: 环流模型 时间差分 数字海洋 验证 分割 非线性不稳定
  • 简介:Fromtheviewpointofservicelevelagreements,thetransmissionaccuracyrateisoneofcriticalperformanceindicatorstoassessinternetqualityforsystemmanagersandcustomers.Undertheassumptionthateacharc'scapacityisdeterministic,thequickestpathproblemistofindapathsendingaspecificofdatasuchthatthetransmissiontimeisminimized.However,inmanyreal-lifenetworkssuchascomputernetworks,eacharchasstochasticcapacity,leadtimeandaccuracyrate.Suchanetworkisnamedamulti-statecomputernetwork.Underbothassuredaccuracyrateandtimeconstraints,weextendthequickestpathproblemtocomputetheprobabilitythatdunitsofdatacanbesentthroughmultipleminimalpathssimultaneously.Suchaprobabilitynamedsystemreliabilityisaperformanceindicatortoprovidetomanagersforunderstandingtheabilityofsystemandimprovement.Anefficientalgorithmisproposedtoevaluatethesystemreliabilityintermsoftheapproachofminimalpaths.

  • 标签: 系统可靠性 服务水平协议 电脑网络 准确率 多状态 计算机网络
  • 简介:整体最佳的插值(EnOI)被用于与吸收沿着轨道海水平异例(TSLA)的能力为系统(ROMS)建模的地区性的海洋。这个系统与华南海(SCS)的一个解决旋涡的系统被测试。背景错误从一变季节被导出在SCS以内说明季节的可变性的整体。有250km本地化半径的第五顺序的本地化功能被选择减少采样错误的否定效果。数据吸收系统从2004年1月被测试到2006年12月。结果证明根意味着海水平异例的方形的偏差(RMSD)从10.57~6.70厘米减少了,它代表错误的36.6%减小。为在内的温度的数据吸收还原剂错误上面800m并且为在内的咸度上面200m,尽管错误在更深的深度稍微降级。表面水流在对在数据吸收以后的表面流浪者的轨道的更好的同意。海水平的变化在吸收TSLA以后以强壮、弱的变化区域的振幅和位置显著地改善。当考虑温度和咸度的改进时,有年龄错误(年龄)的结果比没有年龄错误(NoAGE)更好表现。而且,在高分辨率在北SCS为极其强壮的可变性推想模型被调查。结果证明在高分辨率模型的海水平的强壮的可变性被极其强壮的自台湾东面的菲律宾海流向日本的暖流侵入引起。因此,吸收TSLA以便更好与高分辨率模型一起模仿SCS是必要的,这被表明。

  • 标签: 平均海平面 建模系统 资料同化 异常 集成优化 海洋
  • 简介:BackgroundIncreasedplasmalevelofLp-PLA2isapotentialriskfactorforatherosclerosis.Nevertheless,whetherLp-PLA2haseffectsonbothvascularfunctionandstructurechangesisstillunclear.MethodOnehundredandeighty-sixoutpatientsubjectswithoutovertcardiovasculardiseasewereenrolledandanthropometricdata,plasmalevelofLp-PLA2andotherrelatedlaboratoryparameterswerecollected.Measurementsofpulsewavevelocity(PWV)andcarotidintima-mediathickness(CIMT)wereperformedbyanexperiencedinvestigator.AccordingtoplasmalevelofLp-PLA2,allthesubjectsweredividedintotwogroupsasfollows:<200ng/mL(n=96)and≥200ng/mL(n=90).ResultBodymassindex,smoking,diabeticmellitus,systolicbloodpressure,andLDL-ClevelwerepositivecorrelationwithplasmalevelofLp-PLA2,whileuseofstatinswasnegativelycorrelative.BothPWVandCIMTpositivelycorrelatedwithsmoking,systolicbloodpressure,LDL-ClevelandplasmalevelofLp-PLA2,whilenegativelycorrelatedwithHDL-Clevelandusageofstatins.CIMTinthegroupwithplasmalevelofLp-PLA2<200ng/mL(0.9±0.2mm,n=96)wassignificantlylessthanthatwithplasmalevelofLp-PLA2≥200ng/mL(1.2±0.4mm,n=90,P=0.32),andsimilarfindingwasalsoobservedinPWV(9.1±0.5m/svs12.7±0.4m/s,P=0.38).ConclusionOurpresentstudyshowsthatinsubjectswithoutovertCVD,increasedplasmalevelofLp-PLA2isassociatedwithvascularfunction(PWV)andstructure(CIMT)deterioration.

  • 标签: 颈动脉 脉搏波 浆水 厚度 中层 内膜