简介：摘要Ma10等人2003年和2005年先后提出了下颌和上颌牙列缺失“All-on-four”种植即刻修复的理念，即无牙单颌植入4枚种植体颌骨前部垂直植入两枚种植体，远中倾斜植入两枚种植体，利用4枚种植体实现种植即刻固定修复。

简介：ThebulbsofFritillariaspp.(Liliaceae)areusedinChinesemedicineasantipyretic,anti-tussive,expectorant,etc.Inordertosearchforthebioactiveconstituentsfromthisgenus,thebulbsoffourspeciesofmedicinalFritillariaplantshavebeeninvestigated.ThirteencompoundswereisolatedfromFritillariathunbergiiMiq.,threeofthemwerenewcompounds.FourteencompoundsfromFritillariathunbergiivar.chekiangensisHsiaoetK.C.HsiacollectedinDongyangofZhejiangProvince,fourofthemarenewcompoundsandanotheronewasfirstiso-

简介：China’s ,education. ,the 

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简介：近日．由高级私人教练工作室——北京云雷汇推出的健康纤体体系——“FourWeeks体系”正式启动。“FourWeeks体系”的出品人房圣轩提出了一系列以“与食物成为朋友，通过合理的运动燃烧脂肪”为核心理念的纤体指导计划．针对情况不同的个人，提出个性化的纤体健身指导方案。

简介：有四值的沃尔什系列的布尔功能的三个班被介绍，他们的沃尔什光谱分布是坚定的。他们从Maiorana-McFarland和DillonPS的弄弯的函数被导出<潜水艇class=“a-plus-plus”>ap类型并且单项的形式\Tr_1^{2m}\lambdax^{r2^m-1}由在二点补充弄弯的函数的值的\指。

简介：我们由准确diagonalization在垂直外部磁场B与四个电子学习一枚量戒指(QR)。B的功能被获得的QR的低系列。当时，一张阶段图被论述显示尖动量和QR的扎根的状态的旋转可以跳B或QR的半径变化，并且相应分析被执行。由阴谋QR的密度功能，地面状态配置被发现是常规四角形。而且，地面状态的特征坚持的电流被揭示。

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简介：很多人认为法国人很臭、很懒、很粗鲁、拒绝说英语,但真相到底如何？

简介：Thesufficientconditionfortheexistenceofnon-constantperiodicsolutionsofthefollowingplanarsystemwithfourdelaysareobtained:

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简介：Fournuclearpowerprojects,namelyGuangdongLing'aophaseIIproject,QinshanNo.2phaseIIproject,GuangdongYangjiangprojectandZhejiangSanmenprojectobtainedpermissiontobeconstructedfromtheState.Theirgeneratingcapacityisplannedtohave7350MW.Preconstructionworkofothernuclearpowerprojects,suchasLiaoningDalian,ShandongHaiyang,FujianHui'anpowerplantsandQinshanNo.1phaseⅡprojectisinprogress.

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简介：FurnitureofHongmu,creamofChineseculture,hasalonghistoryandenjoysgreatpopularityforitsclassicappearanceandelegantdisposition.Thetraditionalmethodoftheidentificationistoevaluatethemacroformandanatomicalfeatures.Inthispaper,anewmethodbasedonthedifferencesamongthechemicalcharacteristicsofbiologicalmetabolitesofsamplesisdeveloped.Intheresearch,highperformanceliquidchromatography(HPLC)fingerprintswereemployedtodiscriminatefourspeciesofHongmu,includingPterocarpusindicus,Pterocarpusmacarocarpus,Dalbergiamelanoxylon,andDalbergialouvelii.Theresultsshowedthat,accordingtotheretentiontimeandrelativepeakareaofdifferentcomponentsinwoodextracts,thedistinctioncanbeeasilymadebetweendifferentspecies.BasedontheHPLCfingerprints,similaritiesbetweensampleswereevaluatedbycorrelationcoefficients.Theresultsweregreaterthan0.81betweenthesamespecies,andlessthan0.21betweendifferentspecies,whichshowedweakcorrelationbetweendifferentspecies.Inordertoestimatetheoverallfeaturesofthefingerprints,hierarchicalclusteringandprincipalcomponentanalysis(PCA)wereusedandtheresultsshowedpronouncedclusteringeffectamongthesamespecies.TheinvestigationindicatedthatpatternrecognitioncouldaccuratelyreflectthesignificantdifferencesbetweendifferentspeciesofHongmu,andcanbeusedasareferenceforqualitycontrol.

简介：Afour-facedstatuewasfoundatancientNeribtum(modernIshchali)byashepherdin1929andpurchasedbytheOrientalInstituteoftheUniversityofChicagoin1930.2Thoughitwasfoundseventyyearsago,itsidentityisnotclear.3AccordingtotheOrientalInstitute,thisstatue,datingbacktotheOldBabylonianPeriodaround18th-17thcenturyBC,mayrepresentagodofthefourwinds.4AccordingtoTh.Jacobsen,thisstatuemaybeinterpretedasMarduk,oranothergodsimilarincharactertoMarduk....

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简介：Aclassofthree-levelexplicitdifferenceschemesforthedispersiveequationu1=auxxxareestablishedTheseschemeshavehigherstabilityandinvolvefourmeshpointsatthemiddlelevel.TheirlocaltruncationerrorsareO（τ+h）andstabilityconditionsarefrom|R|≤0.25to|R|≤10,where|R|=|a|τ/h3,whichismuchbetterthan|R|≤0.25.

简介：IntheareasofViminaciumandNaisfourrareandunusualvotivededicationswereidentified.ThesearethededicationsDeusAeternus,DiiAngeli,Hero(Viminacium),andAtta(Naissus).ThededicationsDeusAeternusandDiiAngelimayperhapsindicateChristianity,whilethededicationsHeroandAttamayindicatesettlersofGreekorigin.ThededicationtogoddessAttacouldhavebeenmadebyafreedman,sincehercultwastoanextentrelatedtothecultofHeracleswho,thankstohisloyalservicetoOmphale,wherehewastorepenthissins,wasfreedfromslavery,andthuswasalsoaprotectoroffreedman.Mainmethodologicalapproachinthispaperistheanalysisofcultsaswellastheirbackgroundsasconditionsfortheirrealisation.UntilnowfortheterritoryofSerbiatherewasnotcorpusofanalyzingcults.ThereisonlycorpusofgraveandvotivemonumentsfortheterritoryofSerbiawithveryrareandsporadiccommentsofcult.So,themaintopicofthisarticleisanalyzingofcults.Itincludesthemainmeaningofthecult,dateingofmonumentsandhistoricalandarcheologicalbackgroundsofthecults.Atthesametimeitwasthemainmethodintheanalyzingofthementionedvotivemonuments.BythismethodastheresultappearedthedateingofthemonumentsandimprovementofexistingGreeksettlers.Atthesametimetherewerethemainresearchquestionswhichshouldbeensolved.ForensolvedthedateingofthemonumentswasusedthesystemofanalyzingsyllabicformulaeandfortheimprovementofexistingGreeksettlersthemethodof“healtymind”andconnectionsofanalogies.AsaresultthedateingofmonumentsofDeusAeternus,DiiAngeli,andHerowasearly2-ndcentury,andforAttafromthebeginningof2-ndtotheendof3-rdcentury.

简介：Duringthe200ormoreyearsofTang-Tubobilateralrelations,anddespitethewarsthatoftenoccurredowingtoconflictbetweentherulingclassesofeachside,harmonyandfriendlinessneverthelessprevailed.SowhatwerethereasonsbehindthisfriendlyTang-Tuborelationship?Thisarticleattemptstogeneralizefourfactorsandbrieflydiscusseachone.