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简介：Anedgecoloringtotalk-labelingisalabelingoftheverticesandtheedgesofagraphGwithlabels{1,2,...,k}suchthattheweightsoftheedgesdefneaproperedgecoloringofG.Heretheweightofanedgeisthesumofitslabelandthelabelsofitstwoendvertices.ThisconceptwasintroducebyBrandtetal.Theydefnedχt(G)tobethesmallestintegerkforwhichGhasanedgecoloringtotalk-labelingandproposedaquestion:IsthereaconstantKwithχt(G)≤Δ(G)+12+KforallgraphsGofmaximumdegreeΔ(G)?Inthispaper,wegiveapositiveanswerforouterplanargraphsbyshowingthatχt(G)≤Δ(G)+12+1foreachouterplanargraphGwithmaximumdegreeΔ(G).

简介：Beijing-Tianjin-Hebei的区域被二个不同闪电察觉网络盖住：为全部的闪电，包括的IntraCloud(IC)闪光和Cloud-to-Ground(CG)的SAFIR(SystemedAlerteFondre同等InterferometrieRadioelecctrique)闪光，并且ADTD(先进TOA和方向系统；TOA表示到达的时间)为CG的中国的网络闪电。在这个区域的十四孤立的忍受冰雹的雷雨在这研究被检验，用SAFIR和ADTD的数据。闪电频率的山峰因为两个总计闪电和CG闪电，经常在地面上在冰雹的出现之前被观察，与闪电的快速的增加的一个趋势，在冰雹前的频率被报导。闪电的类型在冰雹事件前跳的二的普通的铅时间被获得(全部的闪电：32.2min；CG：25.4min)通过2闪电跳算法。另外在有积极CG闪光的高比率的下得很大的冰雹，冰雹的直径更大，冰雹的持续时间更长；当否定CG闪光统治了时，冰雹的直径是相对小的。在在这研究的下得很大的冰雹的全部的闪电和CG闪光的特征的比较被期望为预报的冰雹用作一个增补工具。

简介：BackgroundPleuraleffusionaftertheFontanoperationcontributessignificantlytomorbidityandprolongedhospitalization.Thepurposeofthepresentstudywastoinvestigatewhetherchesttubesplacedindifferentcavitiesduringthesurgerywouldcontributetothedrainageandalsotoevaluateriskfactorsofthoracicdrainagewithcentralvenouscatheteraftertotalcavopulmonaryconnectionintheeraofthecentralvenouscatheter.MethodsFromJanuary2009toJune2012,109consecutivepatientsunderwenttotalcavopulmonaryconnectionatGuangdongGeneralHospital.With102patientsforinvestigation,preoperative,intraoperativeandpostoperativefactorswereobtained.Thoracicdrainagewithcentralvenouscatheterwaswhenevernecessary.Durationofchesttubedrainageandtimeofthoracicdrainagewithcentralvenouscatheteraddeduptototaldurationofpleuraldrainage.BinarylogisticregressionusingforwardLRmethodwasappliedfortheanalysisoftheriskfactorsforthoracicdrainagewithcentralvenouscatheter.ResultsAftertotalcavopulmonaryconnection,comparedwithchesttubesplacedinsinglepleuralcavitywithorwithoutpericardialorretrosternalcavity,thoseinbothpleuralcavitiesseemedtohavethechanceoflongerhospitalstay(P=0.028).Noothersignificantdifferenceswereobtainedinfactorsofventilationtime,extubatedcentralvenouspressureinsuperiorvenacava,ICUstay,totaldurationofpleuraldrainage.Sildenafilwasthepreventivefactorforreducingcentralvenouspressureandpreventingfrompostoperativepleuraleffusion.ConclusionsAftertotalcavopulmonaryconnection,patientswithtubesplacedinbothpleuralcavitieswouldnothavethechanceofshortertotaldurationofpleuraldrainageandsurprisinglyturnsouttohavelongerhospitalstay.Sildenafilisapreventivefactorforthoracicdrainagewithcentralvenouscatheter.

简介：IntroductionSuddensensorineuralhearingloss(SSNHL)isdefinedasahearinglossofatleast30dBoverthreecontiguousfrequenciesoccurringinlessthan3days[1].VertigoandprofoundhearinglossareconsideredpoorprognosticfactorsinSSNHL[2-4].ThemostcommondiseasesassociatedwithvertigoinSSNHLincludeBPPV,vestibularneu-[3]

简介：图G的A2-dominating集合是G的顶点的集合D以便V(G)的每个顶点|D在D有至少二位邻居。图G的一个全部的外部独立人士的统治集合是G的顶点的集合D以便G的每个顶点在D，和集合V(G)有一位邻居|D是独立的。2支配(全部的外部独立人士的支配，分别地)图G的数字是2-dominating的最小的集的势(全部的外部独立人士的统治，分别地)G的集合。我们调查在2支配和树的全部的外部独立人士的支配数字之间的比率。

简介：FieldexperimentswereconductedontotalloadtransportintheChelichayRiverBasin,amountainouscatchment(1,400km~2)locatedinnortheasternofIran,toevaluatetotalloadformulasincludingfourgravelbedriversandasandbedriver(QaresooRiver).GravelbedriversinChelichayRiverBasincanbegroupedintotwotypes;steepsloperiverswithhighshearvalues(ChehelchayRiverandKhormalooRiver)andmildsloperiverswithlowshearvalues(NarmabRiverandSoosaraRiver).Twodepthintegratingsuspendedloadsamplers(DH-48andD-49),andtwobedloadsamplers(Helley-SmithandBLSH)wereusedtomeasuretotalload.Theperformanceistestedof8totalloadtransportformulaeincluding4macroscopicand4microscopicmethods.Asystematicandthoroughanalysisof59setsofdatacollectedfromsandbedriverindicatethatYangandEngelundandHansenreachtothebetterresults,andfromfourgravelbedriversconfirmedthatthemethodsofKarimandKennedyandEngelundandHansenyieldsthebestresultsforsteepsloperivers,andthemethodsofEinsteinandBijkerarerankedhighestingradualsloperivers.

简介：调查的目的在里面vitro抗氧化剂活动和methanolic叶的全部的酉分的内容Nyctanthesarbor-tristisL提取。(NA)。样品在vitro抗氧化剂方法用五被测试的方法(1，1-diphenyl-2-picryl肼基清除活动(DPPH)，氢氧根激进清除的活动(-OH),氮的氧化物清除活动(没有)，superoxide激进清除的活动，并且总计抗氧化剂活动)评估在里面NA和全部的酉分的内容(Folin-Ciocalteu方法)的vitro抗氧化剂潜力。摘录看好免费激进的清除性质哪个作为IC50价值计算。methanolic摘录的结果IC50(半最大的禁止的集中)被发现是57.93?g牴慥整?慲獴愠?潢桴搠獯獥