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简介：Themediumaccesscontrol(MAC)protocolforindoorvisiblelightcommunication(VLC)withenergyharvestingisexploredinthispaper.Theunfairnessofthroughputexistsamongdevicesduetothesignificantdifferenceoftheirenergyharvestingrateswhichchangeswithdistance,acceptanceangleandtheobstructionprobability.Weproposeanenergyharvestingmodel,anewobstructionprobabilitymodelandanenergyadaptivecontentionalgorithmtoovercometheunfairnessproblem.Thisdevicecanadjustitscontentionwindowaccordingtotheenergyharvestingrate.Asaresult,thedevicewithlowerenergyharvestingratecangetshortercontentionwindowtoimproveitstransmissionopportunity.SimulationresultsshowthatourMACprotocolcanachieveahigherdegreeoffairness.

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简介：Asworldconsumptionofenergygrowsfast,theprovenpetroleumreservesarelimitedintoday'sworld,andtheoilpricefluctuatesandmostoftensoarsupsharply,energyhasbecomeamostcrucialfactorintheworldeconomyandtheenergysecurity

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简介：Theoretical–computationalstudiesoftable-toplaser-drivennuclearfusionofhigh-energy(upto15MeV)deuteronswith7Li,6Li,andDnucleidemonstratetheattainmentofhighfusionyieldswithinasource–targetreactiondesign.ThisconstitutesasourceofCoulomb-explodingdeuteriumnanodropletsdrivenbyanultraintensefemtosecondnear-infraredlaserandasolidhollowcylindricaltargetcontainingthesecondelement.Thesource–targetreactiondesignattainsthehighesttable-topfusionefficiencies(upto4×109J1perlaserpulse)obtainedtodate.Thehighestconversionefficiencyoflaserenergytonuclearenergy(102–103)fortable-topDDfusionattainedinthesource–targetdesigniscomparabletothatforDTfusioncurrentlyaccomplishedfor‘bigscience’inertialfusionsetups.

简介：Sincedecades,theglobalelectricitydemandshowsonlyonedirection:aconsiderableconstantincreaseeveryyear.Buttheunlimitedgrowthinenergyconsumptionisdiscussedincreasinglycritical,notonlyprimarilyintermsoflimitationsbutalsointermsofmoreefficient,moreintelligent,andmoresustainableusageofenergy.Energy-efficienttechnologies(EET)andrenewableenergy

简介：AftertheFukushimadisaster,Europeanpoliticiansbegantoreassesstheenergystrategyfortheircountries.Thefocusisnowonrenewableenergysourcesandasaresultondecentralization.Thedecentralizedgeneration,storage,andofcoursetheconsumptionofenergyisthecentralpoint.Nowwiththenewdevelopmentsundertheroofofenergyturnaroundthewaybackfromthecentralizedarchitectureofourenergysystemtoamoredecentralizedoneispredetermined.Decentralizationimpliesthechangeintheroleoftoday’sconsumers.Theybecomeenergyprosumers.Thisisthebasisforthecrowdenergyconcept.Inthispositionpaperthecrowdenergyconceptisintroducedandnecessaryresearchfieldsareidentified.

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简介：精力流动，底部边界层(BBL)精力驱散，表面举起振幅和在Bering海的主要半天的潮汐的成分的当前的大小的空间分发详细被检验。这些分布从一个三维的数字模拟模型(POM)的结果被获得。与来自七个车站的观察数据相比，潮汐的高度的根均方差分别地为M2和N2是2.6厘米和1.2厘米，并且阶段落后的那些是21.8景吗？

简介：InSouthAsia,mostcountriesareheavilydependentonenergyimportsasaresultofpoornaturalendowment,weakexplorationcapacityandfasteconomicdevelopment.However,beingcloseneighbortoChina,theSouthAsiaservesasthecorridorforChina'senergyimportsandthetransitregionforChina'soilandgaspipelines.ItisinChina'sstrategicintereststoconductenergycooperationwiththeSouthAsiancountries.

简介：The15thConferenceofParties(COP15)intheUnitedNationsFrameworkConventiononClimateChange,heldinCopenhagen,Denmark,duringDecember7～19th2009,attractingmorethan100stateleaders,UNofficials,journalistsandthousandsofparticipants,discussedhowtodealwithclimatechangeandrealizesustainabledevelopmentofhu-

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简介：SmartlivinglabssuchastheonelocatedinFribourg(Switzerland)focusonimprovingwellbeingandfurtheringknowledgerelatedtobuildingthedistrictofthefutureonatechnicalandsociallevel.Therefore,smartlivinglabsrepresentanexperimentalplatform/spacewheresustainableproductionandconsumptionstrategiescanbetestedinaprotectedenvironment.Asignificantchangeinthesocioeconomicproductionandconsumptionspherecanbeexpectedbytheriseoftheso-calledenergyprosumer.Accordingly,thisarticlepresentsaninteractivemodelfortheexperimentalinvestigationofenergyprosumerbehavior.Inthiscontext,twopotentialexperimentsoninvestmentandtradedecisionsarebrieflyoutlined.Since(behavioralandeconomic)experimentsareusuallyconductedundercontrolledconditionsinexperimentallabsinvolvingmainlyundergraduatestudents,thepresentedinteractivemodelisflexibleandmobile,providingtheadvantagetoconductexperimentsnearlyeverywhereinvolvingeverydaycitizens.

简介：Astheworld’sauthoritativeorganizationonenergyinformation,theInternationalEnergyAgency(IEA),whichwasfoundedin1974,releasesKeyWorldEnergyStatisticseveryyearfrom1997(hereinafterreferredtoasthe"KeyData").The"KeyData"releasedin2007announcedthe2005statistics,andalsoprovidedthe1973statisticsforcomparison.Fromthepublisheddata,wecanclearlyfindthedevelopmentpathandtrendoftheworldenergyandpowerindustry.Also,China’sstrongdevelopmentmomentum,high-speedgrowthofenergyconsumptionandtheenormouschallengesinthesustainableenergysupplyareespeciallynoticeable.Thispaperreviewedthe"KeyData"toperceiveChina’sEnergyDevelopment.Theanalysisandinterpretationofthesedataarepurelyfromtheauthor’spointofview.

简介：Throughanoverviewofdevelopmentsinfinanceandintheenergysector,thisworkrepresentsananalysisoftherelationshipoftheirtrends.Itiscarriedoutthroughaninterdisciplinaryapproach.Fromtheoriginalphysicalcurrencytoelectronicpaymentmethods,digitalcurrencyisbecominganewconcept.It’sstillafiatmoneywhichisonlyasgoodastheorganizationthatissuesit.BecauseBitcoinisnotissuedbyanycentralbank,thereisnocentralizedmanagementofthecountry;thereisagreatriskoflosingcontrol.Financeisnotentirelyavirtualeconomy.So,currencydevelopmenttrendsmustreturntointrinsicvalue.Thereisthepossibilityfortheenergycurrencyalsoforitsstability.Asanenergycurrency,itisnotnecessarytoprint,nottoapplytheexchangerate,nocorrespondingpollution,andevenbetteritwillhelptoalleviatetheexistingenvironmentalproblemfacingthechallengesofglobalenvironmentaldegradation.Theinternationalunitofenergycanbeseenastheunitofenergymoneybecauseofitsintrinsicvalue.AsstatedbyScott,therearegoodreasonstoconsiderenergyasapotentialcurrency.Ifthefutureintegratesenergyintothefinancialsystemandbecomesameansofpayment,itwillnotonlyeliminatetheriskofcurrencydepreciation,butalsooptimizeenergysavingandusetoachieveenvironmentalprotection.Theemphasisisgiventotheintegrationofthefinancialsectorwiththeenergyone.Theaimistodevelopaparametricnumericalmodelabletoforeseethepossibilityofcombiningfinanceandenergy,allowingasustainabledevelopment.Thisallowsustoanalyzetheprosandconsoftheexistingenergycryptocurrencies.Thelaststepconsistsinidentifyingthemaincharacteristicsthatthiscryptocurrencymusthaveinordertoachievethedesiredresults.