学科分类
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22 个结果
  • 简介:你是不是对弥漫在中医馆里那股清香中带点微苦的气味印象深刻呢?当你走进兰溪市实验小学的校园,也能闻到这种独特的味道。

  • 标签: 小学 英语作文 课外阅读 阅读材料
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  • 简介:AreviewarticlebyHaoetal.(JAmCollCardiol2017;69(24):2952–66)hashadhugerepercussionsamongthosefamiliarwithtraditionalChinesemedicine(TCM)intheinternationalacademiccommunity.ItevaluatedtheefficacyandsafetyofTCMforcardiovasculardiseaseandthepharmacologicaleffectofactiveTCMingredientsonthecardiovascularsystemandpotentialmechanisms.Wehaveseveralcomments:Firstly,wegiveabriefsummaryaddressingnonpharmacotherapyinTCM,includingacupuncture,moxibustion,Qigong,andTaiChi.Secondly,wehaveaddedtraditionalantiarrhythmicdrug–relatedrandomizedcontrolledtrialstomakethecoveragemorecomprehensive.Lastly,wesupporttheconceptthatresearchinto,developmentof,andapplicationofactiveingredientsispartofmodernTCM.

  • 标签: TRADITIONAL Chinese medicine CARDIOVASCULAR disease WIDE
  • 简介:China’spatentsystemwasestablishedin1984andcameintoeffectin1985.Threecomprehensiveamendmentshavebeenmadesofarandthefourthamendmentthatismorecomprehensiveisinprogress.Thisamendmentamountsto33articles,addingachapterof“ImplementationandApplicationofPatents”.Thekeypointsofamendmentaretostrengthentheprotectionofpatents,promotetheimplementationandapplicationofpatents,andincreasetheliabilityofpatentinfringement.Theimportantpointsofamendmentaretoimprovethelevelofpatentprotection,raisetheindemnificationstandard,transfertheburdenofproof,andencouragetheinventionandtilttheinterestsofthepatenteeorinventor.TheseamendmentswillfurtherpromotetheimprovementandperfectionofChina’spatentsystemandfurtherpromotethecivilizationandprogressofChina’ssociety.

  • 标签: PATENT LAW AMENDMENT KEY POINTS important
  • 简介:采用文献资料等方法对"ExerciseisMedicine"领域现状进行了研究及探讨其对我国健康事业发展的启示。研究结果显示,EIM项目已在美国逐步兴起、发展并得到社会大众的认可,形成了比较完整的知识应用体系。目前,EIM项目主要应用于心肺耐力、心血管疾病、骨质疏松、内分泌功能紊乱、消化系统等与静坐不运动密切关联身体疾病。对我国主要的启示:引进EIM项目并推广;构建符合我国国情的EIM体系;构建我国EIM从业资格和职业认证体系;引进社会资源,推动EIM快速发展;政府给予绿色通道,政策给予保障。

  • 标签: EXERCISE IS MEDICINE 健康 现状 启示
  • 简介:Recently,ithasbeenseenthattheensembleclassifierisaneffectivewaytoenhancethepredictionperformance.However,itusuallysuffersfromtheproblemofhowtoconstructanappropriateclassifierbasedonasetofcomplexdata,forexample,thedatawithmanydimensionsorhierarchicalattributes.Thisstudyproposesamethodtoconstructeanensembleclassifierbasedonthekeyattributes.Inadditiontoitshigh-performanceonprecisionsharedbycommonensembleclassifiers,thecalculationresultsarehighlyintelligibleandthuseasyforunderstanding.Furthermore,theexperimentalresultsbasedontherealdatacollectedfromChinaMobileshowthatthekey-attributes-basedensembleclassifierhasthegoodperformanceonbothoftheclassifierconstructionandthecustomerchurnprediction.

  • 标签: CUSTOMER churn data mining ENSEMBLE CLASSIFIER
  • 简介:2018年7月26日,AnimalModelsandExperimentalMedicine——AMEM正式被国际著名开放存取期刊目录数据库DOAJ(DirectoryofOpenAccessJournals)收录,这意味着AMEM的期刊质量以及开放获取的出版政策得到了认可。AMEM被DOAJ数据库收录,标志着AMEM向国际化又迈出了重要的一步.

  • 标签: EXPERIMENTAL 目录数据库 国际化 Access 期刊质量 OPEN
  • 简介:Toaddressthephenomenonofsparkingduringtheedgeinductionheatingprocessinhotstripmills,thispaperusesnumericalsimulationtosystematicallyinvestigatethekeyfactorsinfluencingsparkingandtheireffects.Thedistributionofinducedcurrentdensityinthesteelplateaboverollerconveyortableduringtheheatingprocessiscalculatedandcomparedunderdifferentconditions,includingtherelativepositionsofthesteelplateandinductioncoil,thewidthofthesteelplate,andchangesinload.Theresultsshowthatwhenanarrowsteelplateisheatedorthesteelplateshiftstothesideoftheinductioncoil,sparkingbetweenthesteelplateandrollerconveyorismorelikelytooccur.

  • 标签: INDUCTION HEATING steel PLATE sparking
  • 简介:Certificatelessencryptionattractsalotofattentionsofarbyeliminatingthekeyescrowprobleminidentity-basedencryptionandpublickeycertificatesinthetraditionalpublickeycryptography.Byconsideringthethreatfromthekeyexposure,itisdesirabletoincorporatetheideaofkey-insulatedcryptosystemintothecertificatelessencryption.Inthispaper,wehavedesignedanefficientcertificatelesskeyinsulatedencryption(CL-KIE)schemetoachievethisgoal.Byourapproach,thecomputationalperformanceofourschemehasbeenimprovedsignificantlyintermsofreductiononrunningtimeandstorage.WealsogavethesecurityproofofthenewCL-KIEschemeagainstthechosenplaintextattacks(CPAs)intherandomoracle,consideringtheassumptionofthecomputationalDiffie-Hellman(CDH)problem.

  • 标签: CERTIFICATELESS cryptography keyinsulated pairing-free random oracle
  • 简介:Nowadays,thepassword-basedremoteuserauthenticationmechanismusingsmartcardisoneofthesimplestandconvenientauthenticationwaystoensuresecurecommunicationsoverthepublicnetworkenvironments.Recently,Liuetal.proposedanefficientandsecuresmartcardbasedpasswordauthenticationscheme.However,wefindthatLiuetal.’sschemeisvulnerabletotheoff-linepasswordguessingattackanduserimpersonationattack.Furthermore,italsocannotprovideuseranonymity.Inthispaper,wecryptanalyzeLiuetal.’sschemeandproposeasecurityenhanceduserauthenticationschemetoovercometheaforementionedproblems.Especially,inordertopreservetheuseranonymityandpreventtheguessingattack,weusethedynamicidentitytechnique.Theanalysisshowsthattheproposedschemeismoresecureandefficientthanotherrelatedauthenticationschemes.

  • 标签: AUTHENTICATION OFF-LINE PASSWORD guessing ATTACK smart
  • 简介:Intheair-waterquantumkeydistribution(QKD),theirregularseasurfacehassomeinfluenceonthephotonpolariza-tionstate.Thewindisconsideredasthemainfactorcausingtheirregularity,sothemodelofirregularseasurfacebasedonthewindspeedisadopted.Therelationshipsofthequantumbiterrorratewiththewindspeedandtheinitialincidentanglearesimulated.Therefore,themaximumsecuretransmissiondepthofQKDisconfirmed,andthelimita-tionofthewindspeedandtheinitialincidentangleisdetermined.Thesimulationresultsshowthatwhenthewindspeedandtheinitialincidentangleincrease,theperformanceofQKDwillfalldown.Undertheintercept-resendattackcondition,themaximumsafetransmissiondepthofQKDisupto105m.Torealizesafecommunicationsinthesafedivingdepthofsubmarines(100m),theinitialincidentangleisrequestedtobenotexceeding26~,andwiththeinitialincidentan~leincreased,thelimitationofwindspeedisdecreased.

  • 标签: IRREGULAR sea surface quantum key distri-aution