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简介：Inthispaper,thecycle’sstructureofembeddedgraphsinsurfacesarestudied.Accordingtothemethodoffundamentalcycles,thesetC(Ccontainsallshortest)isfound.AundirectedgraphGwithnverticeshasatmostO(n5)manyshortestcycles;IftheshortestcycleofGisoddcycle,thenGhasatmostO(n3)manyshortestcycles;IfGhasbeenembeddedinasurfaceSg(Ng,gisaconstant),thenithasatmostO(n3)shortestcycles,moreover,iftheshortestcycleofGisoddcycle,then,GhasatmostO(n2)manyshortestcycles.WecanfindacyclebaseofG,thenumberofoddcyclesofG,thenumberofevencyclesofG,thenumberofcontractiblecyclesofG,thenumberofnon-contractiblecyclesofG,arealldecided.IftheΠ-embeddedgraphGhasΠ-twosidedcycles,then,CcontainsashortestΠ-twosidedcycleofG,thereisapolynomiallyboundedalgorithmthatfindsashortestΠ-twosidedcycleofaΠ-embeddedgraphG,thenewandsimplesolutionsabouttheopenproblemofBojanMoharandCarstenThomassenareobtained.

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简介：Thetraditionaleconomicgrowthmodeof"threehighsandonelow(highinput,highconsumption,highpollutionandlowefficiency)"makesChinagettheachievementsofeconomicdevelopmentandprosperityduringthereformandopeningupwithmorethan30years,butbehindthisextensivemodeofeconomicgrowthisexcessiveconsumptionofnaturalresourcesandalotofgreenhousegasesemissions,thisnotonlylimitsthegrowthrateofChina’seconomy,butmakesatremendousnegativeimpactontheenvironmentwhichisdifficultforustosurvive.Therefore,realizingindustrialstructurelow-carboneffectivelyanddevelopingalow-carboneconomycharacterizedby"low-power,lowconsumption,lowpollutionandlowemissions",becomeChina’snewtargetselectiontotransformeconomicdevelopmentmodeandrealizethegoalofoptimizationandupgradingofindustrialstructureandsustainabledevelopment.

简介：AIM:Toinvestigatethelatentstructureofanirritablebowelsyndrome(IBS)symptomseverityscaleinapopulationofhealthyadults.METHODS:TheBirminghamIBSsymptomquestionnairewhichconsistsofthreesymptomspecificscales(diarrhea,constipation,pain)wasevaluatedbymeansofstructuralequationmodeling.Wecomparedtheoriginal3-factorsolutiontoageneralfactormodelandabifactorsolutioninalargeinternetsampleofcollegestudents(n=875).Statisticalcomparisonsofcompetingmodelswereconductedbymeansofχ2differencetests.Regardingtheevaluationofmodelfit,weexaminedthecomparativefitindex(CFI)andtheRootMeanSquareErrorofApproximation(RMSEA).RESULTS:ResultsclearlyfavoredabifactormodelofIBSsymptomseverity(CFI=0.99,RMSEA=0.05)whichconsistedofastronggeneralIBSsomatizationfactorandthreesymptomspecificfactors(diarrhea,constipation,pain)basedonthesubscalesoftheBirminghamIBSsymptomquestionnaire.Thefitindicesofthecompetingonefactormodel(CFI=0.85,RMSEA=0.17)andthreefactormodel(CFI=0.97,RMSEA=0.08)wereclearlyinferior.χ2differencetestsshowedthatthedifferencesbetweenthemodelswereindeedsignificantinfavorofthebifactormodel(P<0.001).Correlationsofthefourlatentfactorswithmeasuresofpainsensitivity,somatoformdissociation,fatigueseverity,anddemographicvariablessupportthevalidityofourbifactormodelofIBSspecificsymptomseverity.CONCLUSION:ThefindingssuggestthatIBSsymptomseveritymightbestbeunderstoodasacontinuousandmultidimensionalconstructwhichcanbereliablyandvalidlyassessedwiththeB-IBS.

简介：在在Brookhaven国家实验室的相对论的重离子Collider(RHIC)的PHENIX和星实验在\(\sqrts\)正在运用极化的protonproton碰撞=200和500GeV。RHIC旋转物理节目的主要目标是获得更深的卓见进核子的旋转结构。我们将从RHIC给最近的旋转结果的概述，特别地，经由喷气/强子生产的gluon极化的学习和经由在纵的W波色子生产的海夸克极化极化了protonproton碰撞。

简介：IntheapplicationofRNAitechnology,itisanessentialsteptodesignsiRNAapplicabletotargetgene.Atpresent,therearemanyresearchesandconclusionsonsiRNAdesign.ThispaperaimstotheinfluencesofmRNAsecondarystructureorsiRNAantisense-strandsecondarystructureonsiRNAsilenceefficiency.Thepaperalsodiscussestheproblemsandsetsoutfurtherinsightsintheresearch.

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简介：现在的学习被设计从大戟属植物helioscopiaL的整个植物孤立并且评估混合物的抗菌剂活动...各种各样的色析法的技术被用来孤立并且净化混合物。混合物的结构在基础上被阐明光谱数据(1HNMR，13CNMR，1H-1H舒适，HSQC，HMBC，NOESY，红外，和HR-ESI-MS)。新jatrophone类型diterpenoid(14,15-diacetoxy-3-benzoyloxy-7-nicotinoyloxy-9-oxo-jatropha-5E,11E-diene)，命名euphoheliosnoidE(1)，从E的整个植物被孤立。helioscopiaL。对口头的病原体加重1项显示出的重要抗菌剂活动。

简介：Theeffectofvegetationontheflowstructureandthedispersionina180ocurvedopenchannelisstudied.TheMicroADVisusedtomeasuretheflowvelocitiesbothinthevegetationcasesandthenon-vegetationcase.Itisshownthatthevelocitiesinthevegetationareaaremuchsmallerthanthoseinthenon-vegetationareaandalargevelocitygradientisgeneratedbetweenthevegetationareaandthenon-vegetationarea.ThetransverseandlongitudinaldispersioncoefficientsareanalyzedbasedontheexperimentaldatabyusingthemodifiedN-zonemodels.Itisshownthattheeffectofthevegetationonthetransversedispersioncoefficientissmall,involvingonlychangesofasmallmagnitude,however,sincetheprimaryvelocitiesbecomemuchmoreinhomogeneouswiththepresenceofthevegetation,thelongitudinaldispersioncoefficientsaremuchlargerthanthoseinthenon-vegetationcase.

简介：Astheoffshoreindustriesmovefromshallowtodeepwatersinexcessof1000m,therehasbeenrapiddevelopmentofoceanengineeringpractices.Innovationsintheoreticalandappliedmechanicshavebeenessentialinthisshiftandinunderpinningtheexploitationofoffshoreoilandgasandrenewableenergyresourcesworldwide.Understandingandpredictingphysicalmechanismsofstructure-soilinteractionsarevitalforthestabilityandsafetyofoffshoreengineeringstructures.Accordingly,inthisspecialissueofTheoretical&AppliedMechanicsLetters(TAML),eight

简介：SEBSgrafted与的分子的结构缩苹果酸通过超声开始的酐(SEBS-g-MAH)被原子磁性的回声(NMR)调查。grafting组主要在超声的终点上存在，这能被证实开始的SEBS-g-MAH。然而，详细地证实MAH是通过描述的grafted的上SEBS的块是困难的<啜class=“a-plus-plus”>1H-NMR由于SEBS的复杂结构。而且，开始的SEBS-g-MAH也是的超声的红外线的系列由不安关联分析了的温度依赖者动人的窗户2D(PCMW2D)关联光谱学。它能证实破点在关节在之间存在poly(ethylene-co-1-butene)(EB块)并且聚苯乙烯块(S块)。因此，grafting组被纳入不仅S块而且EB块。另外，超声的聚集结构开始了SEBS-g-MAH，可能的grafting机制和在温度也是的空间的开始的SEBS-g-MAH建议了的超声的聚集模型以便很好理解。

简介：Ultrasoundsimulationforcarotidarteriesishelpfultotheperformanceassessmentsofvesselwalldetectionandsignalprocessingmethodsbyusingultrasoundtechniques.Anultrasoundsimulationmethodofcarotidarterywallwithathree-membranestructureisproposedinpresentstudy.Accordingtotheultrasoundspeckledistributionsvaryingwiththeshapesanddensitiesofscattererdistributions,aswellasthestatisticresultsoftheclinicalimages,theparametersofdistributions,densitiesandintensitiesofscatterersfordifferentkindsoftissuesinthecarotidarteryphantomsaredetermined.EachregionisacousticallycharacterizedusingFIELDIIsoftwaretoproducetheradiofrequencyechosignals,fromwhichultrasoundimagesarederived.Theresultsbasedon30simulationsshowthattheechodistributionsoftheintimae,mediae,adventitiasandbloodareconsistentwiththeclinicalones.Moreover,comparedwiththeresultsfromthecentralfrequencyof8MHz,themeanmeasurementsforthicknessesoftheintima,mediaandadventitiamembranes,aswellasthelumendiameterfromthesimulationimagesbasedon12MHzarethesameasthepresetones,andthemaximumrelativeerrorsarethe4.01%,1.25%,0.04%and0.15%,respectively.Thesimulationunderthisconditionismorerealistic.

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简介：在飞机坠毁，轮船碰撞，和另外的事故以后产生的负担可以破坏很大的漂浮的结构(VLFS)并且创造另外的接头负担。在这研究，负担被考虑建立的轮船碰撞和波浪的联合效果打手势为多身体VLFS的微分方程。一个时间领域计算方法被建议在波浪计算VLFS的接头负担。LonguetHiggins模特儿被雇用模仿随机的波浪负担。液体力量和水动力学系数用DNVSesam软件被获得。运动当频率域水动力学系数被变换成运动的存储器函数时，微分方程被使用时间域方法计算时间域的微分方程。由于波浪和影响负担的联合行动，高周波的摆动在接头负担的时间历史曲线被观察。在0的波浪方向？

简介：Inthispaper,aheavyseafogeventoccurringovertheYellowSeaon11April2004wasinvestigatedbaseduponobservationalandmodelinganalyses.Fromtheobservationalanalyses,thisseafogeventisatypicaladvectioncoolingcase.Seasurfacetemperature(SST)andspecifichumidity(SH)showstronggradientsfromsouthtonorth,inwhichwarmwaterislocatedinthesouthandconsequently,moistureislargerinthesouththaninthenorthduetoevaporationprocesses.Afterfogformation,evaporationprocessprovidesmoremoistureintotheairandfurthercontributestofogevolution.TheseafogeventwasreproducedbytheRegionalAtmosphericModelingSystem(RAMS)reasonably.Therolesofimportantphysicalprocessessuchasradiation,turbulenceaswellasatmosphericstratificationinseafog’sstructureanditsformationmechanismswereanalyzedusingthemodelresults.Therolesoflongwaveradiationcooling,turbulenceaswellasatmosphericstratificationwereanalyzedbasedonthemodelingresults.Itisfoundthatthelongwaveradiativecoolingatthefogtopplaysanimportantroleincoolingdownthefoglayerthroughturbulencemixing.Thefogtopcoolingcanoverpowerwarmingfromthesurface.Seafogdevelopsupwardwiththeaidofturbulence.Thebuoyancyterm,i.e.,theunstablelayer,contributestothegenerationofTKEinthefogregion.However,thetemperatureinversionlayerpreventsfogfromgrowingupward.

简介：TheGroupofNuclearStructureResearchatIMPhasdevotedmuchefforttothelifetimemeasurementsoflowlyingexcitedstatesvia??fasttimingcoincidence.Twoexperimentswereperformedin2015attheradioactivebeamlineRIBLL[1]andgas-filledrecoilseparatorSHANS[2].

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