简介:Inthispaper,wedemonstratetheacetylehe(C2H2)sensorwithhighsensitivityusingahollow-corephotonicbandgapfiber(HC-PCF).ExperimentsformeasuringC2H2concentrationsingasmixtureareperformed.Usinga2m-longHC-PCFasgascell,thespectrumofacetyleneatn1+n3bandhasbeenmeasured,andtheP11-branchhasbeenselectedforthepurposeofsensing.Aminimumdetectivityof143partspermillionbyvolume(ppmv)forthesystemconfigurationisestimated.
简介:<正>Abhayakaragupta(ca.11-12thcentury)wasanoutstandingIndianpanditawhosethoughtstronglyimpactedTibetanBuddhism.Heiswidelyknownfromanumberofhiscompositions.Amongthetwenty-oneworksattributedtohimbytheDergeTanjur,nineteenareallocatedtotheTantrasection,onetothePrajfiaparamitasection,andtwototheMadhyamakasection.Ofthese,theMunimatalarfikara,intheMadhyamakasection,isoneofhismostimportant.TheMunimatalarfikaraissometimesregardedbyTibetanBuddhists,e.g.,Tsong
简介:BackgroundRightbundlebranchblock(RBBB)maypresentasslurredornotchedSwaveinleadV1.However,slurredornotchedSwavemayalsorepresentslowconductioninthemyocardium.MethodsWeretrospectivelyanalyzedtheQRSpatternsinleadsV3RtoV5Rin7patientswithaslurredornotchedSwaveinleadV1.ResultsIntheleadsV3RtoV5R,6patientsshowedincompleteorcompleteRBBBand1patientslurredornotchedSwave.ConclusionsInthemajorityofECGsinasmallpatientserieswithslurredornotchedSwaveinleadV1,QRSmorphologyindicatingincompleteorcompleteRBBBwaspresentinleadsV3RtoV5R.AfindingoffragmentedQRSintheseleadsmayindicateslowconductioninthemyocardium.
简介:通过对汉语V1+N+V2结构的自主/依存分析,认为V1+N+V2结构表达的语义内容是[V1N]和[V2N]两个事件的联结,N的语义重合是[V1N]和[、陀N]两个事件联结的必要条件。汉语V1+N+V2结构既可以表达因果关系又可以表达动作/目的关系的内在动因是N与V1和V2不同的联结方式。因果类V1+N+V2结构中的N凸显的语义侧面,对V1和V2凸显的界标和射体做出阐释,形成[V1N]和[NV2]两个事件,表达一种因果关系;而动作/目的类V1+N+V2结构中的N凸显的语义侧面,对V1和v2凸显的界标做出阐释,形成[V1N]和[V2N]两个事件,表达一种动作/目的关系。
简介:句式“NPI+在NP2+V+NP3”是典型的歧义旬,但歧义并非源自结构本身,而是基于对现实世界关系的多种解读。其歧义主要表现在:(1)NP2与NP1、NP2与NP3空间关系的两可性;(2)当NP2与NP3有空间关系时,NP2语义功能的多样性;(3)当NP2与NP3没有空间关系时,NP2语义功能的歧义。文章认为,该句式可以从语义上分解出10种单义句式,不同性质的歧义可采用不同的消歧策略。
简介:At-hyperwheel(t≥3)oflengthl(orW(t)lforbrevity)isat-uniformhypergraph(V,E),whereE={e1,e2,...,el}andv1,v2,...,vlaredistinctverticesofV=∪eii=1lsuchthatfori=1,...,l,vi,vi+1∈eiandei∩ej=P,j∈/{i1,i,i+1},wheretheoperationonthesubscriptsismodulolandPisavertexofVwhichisdifferentfromvi,1≤i≤l.Inthispaper,theminimumcoveringproblemofMCλ(3,W(3)4,v)isinvestigated.DirectandrecursiveconstructionsonMCλ(3,W(3)4,v)arepresented.Thecoveringnumbercλ(3,W(3)4,v)isfinallydeterminedforanypositiveintegersv≥5andλ.
简介:“V1+着+V2”格式是一个复杂结构,可分析成四种类型:偏正结构、连动结构、动宾结构和递系结构。其中偏正结构最多,动宾结构次之,连动结构再次,递系结构最少。结构划分分歧极大,方式序列能否构成连动结构是导致分歧的主要原因,时序原则是连动结构的结构原则,即满足时序原则的方式序列可以作为连动结构处理。但语言又是一个动态的过程,因此语言焦点也会对语义产生重大影响,从而四个结构之间存在很多交叉部分,必须结合语境详细说明。