简介：Organicconductorisakindoforganiccompoundwhichhasspecialelectronicandmagneticproperties.Theresearchoftheorganiccompoundshasreceivedconsiderableattentionbecauseoftheirpotentialapplicationsinmanyareas.Themolecularconductiveunitsaretheoreticallyinvestigatedaswellastheirenergygapandchargedistribution.Therelationshipofconductivityandmicro-mechanismisdiscussed.

简介：ThewholechemicaletchingprocessonaP-typepolycrystallinesiliconsubstratewithresistivity1-2Ω·cmisdescribed.Theformationmechanismofporouspolycrystallinesilicon(PPS)microstructurewasinvestigated.ThosehowtheinitialpitswereformedandanuniformmorphologyofPPSwasobtainedareexplained.Twotypesofetchingmechanismwerecharacterizedasdefectcontrolreactionanddiffusioncontrolreaction.ThemorphologyformedaftertheisotropicacidicsolutionetchingwithdifferentetchingtimeandHF/HNO3concentrationwascomparedwiththeeffectofthesameetchingprocessafteranisotropicalkalineetching.Thestudyshowedthatthethicknessofporouspolycrystallinesiliconlayerwithchemicalacidicetchingentirelydependedontheexistenceofvarioustypesofdefects.

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简介：Theγ-rayradiationwillspeedupthedischargeofthestoredchargeinnonvolatileMNOSstructure.Theradiationabsorptionmechanismtoenhancethedischargeisdiscussed.Adirectradiationemissionmodelfromtheinterfacetrapsdistributingbothinenergylevelandinspaceisgiven.Thetheoreticalresultsbasedonthismodelareingoodagreementwithexperimentalmeasurement.

简介：ThispaperproposesanovelsessionsetupmechanisminIMS(IPMultimediaSubsystem)byintroducingthefunctionalentitytermedVSS(VisitorSubscriberServer)whichisusedtoprovideregistrationandlocationmanagement.ThenewmechanismaimsatimprovingsessionsetupprocedurebyabettermentoflocationmanagementinIMS.Throughtheuseoftwo-tiersubscriberinformationdatabaseconstitutedbytheHSS(HomeSubscriberServer)andtheVSS,thenewmechanismseperatestheregistrationprocedureandlocationmanagementfromtheS-CSCF(Serving-Call'SessionControlFunction),andmakesthembehandledbytheVSS.Atthesametime,thenewmechanismupdatesthesignalingprocedureofregistrationandsessionsetup.WithVSSbasedlocationmanagement,thecostofregisterationandsessionsetupprocedureaswellasthedelayofsessionsetupprocedurebecomelower.Thecostanddelayfunctionsofthenewsessionsetupmechanismaswellasthecostfunctionofnewregisterationarededuced.Then,simulationsandanalysisverifythattheperformanceofthisnewmechanismgetsthebenefitincostandtime.

简介：Fromseveralmodelsaboutdamagemechanis,thedamagemecanismofopticalfilmsandthefactorswhichaffectthedamagethresholdaredescribedexperi-mentallyandtheoretically.Somereasonableproposalsaregivenisthispaperonhowtoselectthehigh-thresholdfimls.

简介：AlosslessimagesecretsharingusingasimpleBooleanoperationisproposed.Theconceptofvisualcryptographyinthesecretsharingschemeisusedtoredesignalosslesssecretsharingscheme.Toensurethatthereconstructedimageisthetruesecretimage,anauthenticationmechanismisimportedintotheproposedschemetoverifywhethertheshadowsareauthenticbeforereconstructingthesecretimage.TheproposedschemedeliversmuchmoreeffectiveperformancethanChenandWu'sscheme.

简介：Wehaveanalyzedtheorder-disorderingvarianceduetoresonanceeffectandthenonlinearbehavioroffarinfraredraylaser(FIRL)-biologicalsysteminteraction.TheanalyticresultsshowthattheinteractionbetweenthelivingbiologicalsystemandFIRLcanproduceresonanceexcitationeffect,andsotheoriginalhighorderedstateofthesystemcanbedestroyedandthustheconformationvariationinthesystemcanbeproducedunderfurtheractionofthelaser.Inaddition,wehaveanalyzedthenonlinearpropertiesoftheFIRLbio-moleculeinteractionandexplainedthemutagenesiseffectsofFIRL.ThetheoreticanalysisisconsistentwiththeresultsofFIRLmutagenesisbreedingtest.

简介：根据有房间膜的电的偶极子时刻的液体水晶模型，电的显微镜的机制和有房间膜的激光的相互作用的thermology效果被研究由电磁，量力学和量统计。我们在极化效果和激光房间膜相互作用的鈥渢e升起mperature效果鈥?上导出公式。理论研究的结果能解释一些实验。CLC数字R312这个工作被中国(号码第60068001a号码30360068)的国家自然科学基础支持，中国(No:2000A0021M和2006E0091M)和云南的科学基础的云南省的NSF师范大学。

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简介：Atpresent,themajordrawbackformobilephonesistheissueofpowerconsumption.Asoneofthealternativestodecreasethepowerconsumptionofstandard,power-hungrylocation-basedservicesusuallyrequiretheknowledgeofhowindividualphonefeaturesconsumepower.Atypicalphonefeatureisthattheapplicationsrelatedtomultimediastreamingutilizemorepowerwhilereceiving,processing,anddisplayingthemultimediacontents,thuscontributingtotheincreasedpowerconsumption.Thereisagrowingconcernthatcurrentbatterymoduleshavelimitedcapabilityinfulfillingthelong-termenergyneedfortheprogressonthemobilephonebecauseofincreasingpowerconsumptionduringmultimediastreamingprocesses.Consideringthis,inthispaper,weprovideanofflinemeaningsleep-modemethodtocomputetheminimumpowerconsumptioncomparingwiththepower-onsolutiontosavepowerbyimplementingenergyrateadaptation(RA)mechanismbasedonmobileexcessenergylevelpurposetosavebatterypoweruse.OursimulationresultsshowthatourRAmethodpreservesefficientpowerwhileachievingbetterthroughputcomparedwiththemechanismwithoutrateadaptation(WRA).

简介：Wirelesssensornetworks(WSNs)arebasedonmonitoringormanagingthesensingareabyusingthelocationinformationwithsensornodes.Mostsensornodesrequirehardwaresupportorreceivepacketswithlocationinformationtoestimatetheirlocations,whichneedslotsoftimeorcosts.Inthispaperweproposedalocalizationmechanismusingamobilereferencenode(MRN)andtrilaterationinWSNstoreducetheenergyconsumptionandlocationerror.Thesimulationresultsdemonstratethattheproposedmechanismcanobtainmoreunknownnodeslocationsbythemobilereferencenodemovingschemeandwilldecreasestheenergyconsumptionandaveragelocationerror.

简介：Magnesiumoxide(MgO)nanowiresweresynthesizedonthegold-coatedSi(100)andMgO(100)substratesatlowertemperature(600℃)bypulsedliquidinjectionmetalorganicchemicalvapordeposition(MOCVD).Thegoldcatalystcouldbefoundonthetipsofnanowires,whichpresentsthevapor-liquid-solid(VLS)growthmechanism.Reactivespecies(oxygenormagnesium)havestrongeffectsonthegrowthofnanowires.Abundantreactivespecieskilltheverticallyalignednanowirestoberandomlyalignedonesorevenchangetheverticalgrowthmodetothehorizontalgrowthmodewithsurface-parallelnanowires.Usually,nanowireswithlargeraspectratio(>10,aspectratio=length/diameter),higherdensity(>500/μm2)andsmallerdiameter(≤20nm)canbeeasilysynthesizedwithlongerinjectionperiod(≥2s),smallerinjectionmass/period(≤4.6mg)andsuitableoxygenpartialpressure(2.4Torr).

简介：Adual-channelaccessmechanismtoovercomethedrawbackoftraditionalsingle-channelaccessmechanismfornetwork-on-chip(NoC)isproposed.Intraditionalsingle-channelaccessmechanism,everyInternetprotocol(IP)hasonlyonechanneltoaccesstheon-chipnetwork.Whenthenetworkisrelativelyidle,theinjectionrateistoosmalltomakegooduseofthenetworkresource.Whenthenetworkisrelativelybusy,theejectionrateissosmallthatthepacketsinthenetworkcannotleaveimmediately,andthustheprobabilityofcongestionisincreased.Inthedual-channelaccessmechanism,theinjectionrateofIPandtheejectionrateofthenetworkareincreasedbyusingtwooptionalchannelsinnetworkinterface(NI)andlocalportofrouters.Therefore,thecommunicationperformanceisimproved.Experimentalresultsshowthatcomparedwithtraditionalsingle-channelaccessmechanism,theproposedschemegreatlyincreasesthethroughputandcutsdowntheaveragelatencywithreasonableareaincrease.

简介：Accesscontrolenablestheownerstoassigndifferentusersdifferentpermissionstoseedifferentviews.Thecurrentblogsystemdoesnotsupportfine-grainedauthorization.Thatis,thebloggersdisallowtojustassignpartialcontentsoftheblogposts(i.e.,aparagraphorseveralparagraphs)toreaders.Themanagementcostisnodoubttobesignificantlyincreasedwhilehandlingtheauthorizationsonthehugeamountofblogarticles.Inthispaper,weproposeaschemeforsupportingafine-grainedaccesscontrolmechanismonblogarticles.Theadvantageisthatbloggersareabletoauthorizepartialcontentsofblogpoststodifferentusersorgroupsofusers.

简介：Themicroscopicmechanismoflowlevellaserirradiation(LLLI)mendingrheologyforbloodisanalyzedbythequantumtheory.Theresultsshowthatthelasercanresolvethefibrinclot,sothepropertyofbloodrheologyisimproved,andsomebondsofthecholesterolinbloodarefracturedbythelowlevellaser(LLL).Hencetheratioofmembranecholesteroltomembranephosphatideoftheredcellisreduced,andthenthebloodcirculationcanbeimproved.Theclinicalcuredtestsandsomecorrelativetestdatacanbeexplainedbythetheoreticalanalysesinthispaper.

简介：Theultraviolet(UV)bandedgephotorefractivityofLiNbO_3:Zrat325nmhasbeeninvestigated.Theexperimentalresultsshowthattheresistanceagainstphotorefractionat325nmisquiteobviousbutnotasstrongasthatat351nm,whenthedopingconcentrationofZrreaches2.0mol%.ItisreportedthatthephotorefractivityinothertetravalentlydopedLiNbO_3crystals,suchasLiNbO_3:HfandLiNbO_3:Sn,isenhanceddramaticallywithdopingconcentrationoverthreshold.HerewegiveanexplicitexplanationonsuchseemlyconflictingbehaviorsoftetravalentlydopedLiNbO_3,whichisascribedtothecombinedeffectofincreasedphotoconductivityandtheabsorptionstrengthofthebandedgephotorefractivecenters.