简介:Becauseofrapiddevelopmentinnetworktechnology,Internetusagehasbecomewidespread.Itallowsuserswithsensingdevicestoobtainmedicaldataforhealthcare,suchasphysiologicalsignals,voice,andvideostreamsfromtelemedicinesystems,andtosendthehealthcaredatatoback-enddatabasesystems,creatingaubiquitoushealthcareenvironment.However,thisenvironmentrequiresawidespreadandsuitablenetwork.IPv6(Internetprotocolversion6)isthenext-generationInternetprotocolthatwillbetheprotocoloffuturenetworks;itimprovesmanyshortcomingsofIPv4.Inthispaper,weproposeanIPv6/IPv4U-home-caretestsystemandanalyzethenetwork’sparametersthoughaseriesoftestsbyadjustingnetworkparameterstofindtheoptimaldesignforapplicationsintheIPv6/IPv4U-home-careservicesoastoassuregoodperformanceandhighquality.
简介:Poly4-vinylphenol(P4VP)/multi-wallcarbonnanotubes(MWNTs)multi-layersensitivefilmsweredepositedoninterdigitatedelectrodesbyairbrushtechnologytodetecttoluenevaporatroomtemperature.Thesurfaceandsectionmorphologiesofthemulti-layerfilmswereobservedbyascanningelectronmicroscope(SEM).Itisfoundthattheresistanceofthesensorincreaseswhenitisexposedtotoluenevaporandtheresponsehasagoodlinearitywiththeconcentrationoftoluene.TheresultsshowthattheP4VP/MWNTsthree-layerfilmsensorshavebettersensingpropertiescomparedwiththetwo-layerfilmsensors.Therelatedsensingmechanismisstudiedindetail.
简介:<正>深交所总经理宋丽萍在近日举行的"首届中国科技金融促进高峰论坛"上表示,今年以来,为适应创新驱动发展战略的新要求,面对科技金融加快发展的新机遇,深交所开始考虑把"科技型中小企业成长路线图计划"升级到"2.0版本"。目前,"2.0版本"的详细方案还在沟通、论证中。一石激起千层浪,该消息传出,关于"科技型中小企业成长路线图计划"的话题又热络起来。科技金融的践行者什么是"科技型中小企业成长路线图计划",不妨一起回顾下。该计划产生于2004年,"路线图计划"由科技部科技型中小企业技术创新基金管理中心、深圳证券交易所、国家开发银行等部门共同发起并组织实施,