简介：峰放电频率适应性是神经元在信息处理过程中重要的动力学特性之一.当神经系统受到外电场作用时,会对其动力学行为以及神经电信息的产生、传导产生影响.我们基于Leakyintegrate-and-fire（LIF）神经元模型,建立了外电场作用下改进的LIF神经元模型.采用随时间演化的膜电位曲线和峰放电频率曲线,以及随外电场变化的起始峰放电频率曲线和稳态峰放电频率曲线,研究不同强度、频率外电场作用下改进的LIF模型的适应性变化.此外,还利用相邻峰峰间期（ISI）之间的相关性进一步阐明外电场对神经元适应性的影响.

简介：基于小世界网络在一个pulse-coupledintegrate-and-fire神经原模型变老和自我组织的criticality的效果被学习了。我们给老化网络，平均最短的路径长度，我们的网络的直径，和聚类的系数的度分发，并且发现我们的神经原模型显示幂定律行为，并且与然后增加的连接增加的棕土，老化的效果变得越来越小。这证明如果大脑以自我组织的criticality状态工作，它能减轻老化引起的一些效果。

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简介：你可能会说，你孤身前行无人可以依靠你的生活岌岌可危，像把上了膛的枪你正在发抖，亲爱的

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简介：Physicalinactivityhasbeenidentifiedasoneoftheleadingcausesofmanychronicdiseasessuchascardiovasculardisease,type2diabetes,andobesity.Technologysuchasvideogamesplaysacomplicatedroleinphysicalinactivity—muchlikeadouble-edgedsword.Traditionally,videogameshavecontributedtotheepidemicofphysicalinactivityandhavebeen

简介：Firegrowthmodelcanpredictfirebehavior,whichcanguidefirefightingactivitiesandassessesfiremanagementpolicies.Thispaperanalyzedthemainfactorsaffectingfiresimulation,andsummariedthecurrentgrowthmodelsincludingempirical,semi-empiricalandphysicalmodels.Thewidelyusedfiregrowthsimulationsoftwareswereoutlinedinthepaper,whichincludePrometheus,BehavePlus,Farsite,etc.Finally,thepaperdiscussedthelimitationsoffiregrowthmodelsandtheirfuturedevelopment.

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简介：Chinaisnotrichinnaturalforestsources.Owingtonaturalandhistoricalfactors,forestfireshavelongbeenfrequentingChina.Forestfirepreventionisthemostimportantofall.Forestfirepreventionandcontrollinghavelongbeenheldasaveryimportantfactorinourecologicalplans.Takingchina'sspecialgeographicallocation,topography,climateandthedistributionofforestsourcesintoconsideration,wehaveeveryreasontobelievethatforestfiresinChinahavetheirownspecialenv...

简介：Forestfiresoccurrenceisinfluencedbymanyfactors,suchasinter-annualweathervariationsandregionalfueldistributions.Firesoccurrenceindifferentforestregionhasdistinctspatialandtemporalcharacteristics.ThepaperstudiedthenaturalforestfireenvironmentinNortheasternChina,aswellasforestfiresoccurrence,burnedareaandfireseasonsinNortheasternForestRegion.Theresultshowsthatmorethan50%ofannualburnedareaoccurredinNortheastChinaForestRegion.Mainfireseasonsintheregionarespringandautumn.Firesoccurrenceinspringislargerthanthatinautumn.Therearefewfiresinsummer.Theauthors'suggestionsforfiremanagementdepartmentaretoemphasizethefuelmanagement,improvetheroadsconditions,andenhancethefirescontrolability.

简介：Inrecentyears,manyseriousforestfiresoccurredinpreciousPinuspumilaforestsinDaxing'anlingMountainsofHeilongjiangProvinceandInnerMongolia.Butuptonow,thereisstillalackofproperunderstandingoffireoccurrenceenvironmentsinP.pumilaforests.Inpresentpaper,weinvestigatedandstudiedthefireoccurrenceenvironments.TheresultsshowedthatfiresinP.pumilaforestshadtheirownspecialfireenvironments.Abundantfuel,droughtweather,drythunderandhighaltitudeterrai...

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简介：Thefirecauseswaterpollution,airpollutionandtoxicgaspollutiontooursurroundingenvironment,anditseriouslyaffectsourlivingenvironment.People’sawarenessofenvironmentalprotectionisincreasingyearbyyear,andenvironmentalpollutioncausedbythefireisalsobeingcontrolled.Thisarticlebrieflyintroducesthefireaccident’simpactontheenvironment,thesystematicanalysisofthefireaccidentinthesourceofpollutionanditsharm.Combinedwiththeexistingwayoffirefightingandrescuefireaccident,thepollutioncontrolmethodisproposed.