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简介：Digitaltransformationgenerallyreferstotheprocessofchangeinbusinessandsociety,basedontheomnipresenceofsensors,networks,information,andcommunicationtechnology.Evershorterdevelopmentandinnovationcyclesareacharacteristicfeatureofthisprocess,whichiscurrentlyinfluencingallindustriesandallareasoflife,beitindustrialproduction,trade,transport,healthcare,oreducation.Theubiquityofdigitaltechnologyleadstoprofoundpolitical,economic,andsocialchanges,butalsotomultifacetedinnovations.

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简介：在这份报纸，我们首先在帖子上描绘分数维的插值函数(FIF)的有限批评有限自我类似的集合。然后，我们在Sierpinski垫板(SG)上与一致垂直可伸缩因素学习FIF的拉普拉斯算符。作为应用，我们证明SG上的下列Dirichlet问题的答案是有一致垂直可伸缩因素1/5的FIF：u=0在SG上{q1,q2,q3},和u(qi)=i,i=1，2，3qi,i=1，2，3，是SG的边界点。

简介：Thequasi-2Dmodel,takingintoaccounttheaxialvelocityprofileinthecrosssectionandneglectingtheconvectiveterminthe2-Dequation,canmoreaccuratelysimulatethewaterhammerthanthe1-Dmodelusingthecross-sectionalmeanvelocity.However,ascomparedwiththe1-Dmodel,thequasi-2Dmodelbearsahighercomputationalburden.Inordertoimprovethecomputationalefficiency,the1-Dmethodisproposedtobeusedtosolvedirectlythepressureheadandthedischargeinthequasi-2Dmodelinthispaper,basedonthefactthatthepressureheadobtainedasthesolutionofthetwo-dimensionalcharacteristicequationisidenticaltothatsolvedbythe1-Dcharacteristicequations.Theproposedschemesolvesdirectlythe1-DcharacteristicequationsforthepressureheadandthedischargeusingtheMOCandsolvesthe2-Dcharacteristicequationfortheaxialvelocitiesinordertocalculatethewallshearstress.Iftheradialvelocityisneeded,itcanbeevaluatedeasilybyanexplicitequationderivedfromtheexplicit2-Dcharacteristicequation.Inthenumericaltest,theaccuracyandtheefficiencyoftheproposedschemearecomparedwithtwoexistingquasi-two-dimensionalmodelsusingtheMOC.Itisshownthattheproposedschemehasthesameaccuracyasthetwoquasi-2Dmodels,butrequireslesscomputationaltime.Therefore,itisefficienttousetheproposedschemetosimulatethe2-Dwaterhammerflows.

简介：在前後一致的Hartree-Fock近似以内，一在为不同类的Bose气体的扎根的州的精力的这近似表情明确是被导出一Bose爱因斯坦冷凝物的不同类的密度功能。获得的结果与Bose爱因斯坦冷凝物为系统在单个粒子的密度矩阵基于离开斜的远程的顺序的存在。这使避免异常一般水准的使用可能。动能的明确的形式，在Gross-Pitaevski途径不同于一个，被发现。动能的获得的形式在Hartree-Fock近似以外是有效的并且能被申请任意的强壮的interparticle相互作用。

简介：Wefindanasymptoticexpressionforthecharacteristictimescalesofdecorrelationprocessesinweaklycompressibleandisothermalturbulence.ThisresultisusedintheEddy-DampedQuasi-NormalMarkovianequationtoderivethescalingsofcompressibleenergyspectra:(1)iftheacousticwavesaredominant,thecompressibleenergyspectraexhibit?7/3scaling;(2)iflocaleddystrainingisdominant,thecompressibleenergyspectraarescaledas?3.Meanwhile,theenergyspectraofincompressiblecomponentsdisplaythesamescalingof?5/3asthoseinincompressibleturbulence.Thedirectnumericalsimulationsofweaklycompressibleturbulenceareusedtoexaminethescaling.

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简介：摘要科学的建筑电气节能设计既有利于持续的经济效益，也有利于提高节能环保效果，切实满足人类需求，因此也是越来越受到重视。在进行建筑电气节能优化设计过程中，应该注意充分利用天然光源，合理配置光源，采用智能照明控制系统，选择优质电光源启动设备，同时还应该尽量减少变压器的损耗，这样才能提升建筑工程节能性能。基于此本文分析了建筑电气节能设计及照明节能设计。

简介：Whenthecostofrenewableenergyharvestfromsolarandwindiscompetitivewiththepricesofelectricityfromirreversibleresourceslikecoals,theelectricitywouldbeoneofthemostpowerfulandsustainabledrivingforceforthefuturechemicalreactions.Therefore,muchefforthasbeendevotedintothedevelopmentofadvancedenergychemistryonthebasisofthemotivatedelectrocatalysis.

简介：Theenergytransmissionofthelongmicrowavepulseforthefrequencyof2.45GHzand5.8GHzisstudiedbyusingtheelectronfluidmodel,wheretheratecoefficientsarededucedfromtheBoltzmannequationsolvernamedBOLSIG+.Thebreakdownthresholdsfordifferentairpressuresandincidentpulseparametersarepredicted,whichshowgoodagreementwiththeexperimentaldata.Belowthebreakdownthreshold,thetransmittedpulseenergyisproportionaltothesquareoftheincidentelectricfieldamplitude.Whentheincidentelectricfieldamplitudehigherthanthebreakdownthresholdincreases,thetransmittedpulseenergydecreasesmonotonouslyatahighairpressure,whileatalowairpressureitfirstdecreasesandthenincreases.Wealsocomparethepulseenergytransmissionforthefrequencyof2.45GHzwiththecaseof5.8GHz.

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简介：Acommonfeatureofpreviousstudiesabouttheapplicationofdataenvelopmentanalysis(DEA)todetermineenvironmentalandeconomicefficienciesisthatthetwowereanalyzedinseparatemodelsorframeworks.Thepurposeofthispaperistoanalyzetheeconomicefficiencyandenvironmentalefficiencywithasinglemodel.ThispaperproposesanintegratedDEAmodel,basedonamodificationofthedirectionaldistancefunction,whichallowsustodecomposetheeco-efficiency(EE)intotheeconomicefficiency(ECE)andenvironmentalefficiency(ENE).TheECEcharacterizestheabilityofgainingeconomicbenefitswhiletheENEcharacterizestheabilitytocontrolpollutantemissionsinproductionactivities.IdentificationofECEandENEcanhelpdecisionmakersofdifferentregionsdetectwhatkindoffactor(economicinefficiencyorenvironmentalinefficiency)isthemainsourceofeco-inefficiency.ThiscanhelpdecisionmakersmoretargetedtoimproveEE.Toillustratethefeasibilityofourapproach,acasestudyof30regionsinChinaispresented.Theempiricalresultsshowthatalmostallregionshaveveryhigheconomicefficiencies.Theenvironmentalinefficiencyisthemainsourceofeco-inefficiency.Thedifferencesofenvironmentalefficienciesleadtothedifferencesofeco-efficienciesintheeast,centralandwestareas,whiletheeconomicefficienciesdonothavesignificantdifferencesamongtheseareas.Theeconomicefficienciesshowedanopposite'V'shapeandtheenvironmentalefficienciesshowedadecreasingtrendduringtheperiod2010–2014.

简介：Inthispaper,regulatoryandoptimumprogrammingmodelhasbeenadopted.Consideringthecostsofemissionreduction,supervisionandpenalty,wewentallouttoanalyzetheoptimaldecisionofcostefficiencyofregulatorswhenimplementingthesethreepolicyinstruments:carbonemissionstandards,carbonemissiontradingpermissions,andcarbontaxesaswell.Itsresulthasindicated:Instrictaccordancewithcontroltargetoftotalcarbonemissions,regulatorsarewillingtorendersocialandeconomiccostabletoachievethegoalofoptimalcostefficiencybyregulatingcarbonemissionstandardsandsupervisingmarginalcostcausedbyvariationsintheprobability;fortunately,undertheconditionsoflowsupervisorycostandcertaincriteriawhichismet,theimplementationofcarbonemissiontradingpermissionscouldprovidesocialandeconomiccostwithopportunitiestorealizethatobjective;throughcomparativeanalysis,carbonemissiontradingpermissionshavetheadvantagesofhigherefficiencythancarbonemissionstandardsonthepremiseofincompleteinformation.Duringtheimplementationofcarbontaxesstrategy,whenthereexistsuncertaintyinformationintheenterprisesreductionbehaviors,theconditionwhichenterprisescanfullycomplywithisthetaxratelevelisnothigherthanmarginalpenaltyfunction;thetaxratelevelofenterprisesperfectcomplianceoughtnottobelowerthanthedivisionofmarginalpenaltycostandmarginalsupervisorycost.Theoptimalstrategyofenterprisesimperfectcomplianceisthatregulatorsvaryingthemarginalcostofemissionstandardsisequaltovaryingthatofsupervisoryprobability.

简介：摘要随着城市化进程的加快，越来越多的建筑工程出现在人们的生活中，虽然这些建筑工程的出现在一定程度上给人们的生活创造者优质的生存条件，更为城市建设提供有利条件。但是很多建筑工程在实际施工过程中，不会对电气节能设计有所重视，从而使得建筑在后期使用的过程中，消耗了大量的能源，造成了不小的经济损失。因此在近几年的过程中，国家相关部门不断加强对建筑电气节能和照明节能设计的重视，并将一些先进的节能技术应用其中，以此来提升建筑整体的节能效果。本篇文章就建筑电气节能设计及照明节能设计方面的内容进行简单的论述，仅供参考。

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简介：在这份报纸，当精力特征值的空间与时间的模型，和表情被从量力学使用阶段振幅表示和基本想法导出，我们考虑二维的复杂Ginzburg四轮马车方程(CGLE)。由数字模拟，我们发现在CGLE系统的精力特征值能被划分成二部分，相应于螺线波浪和体积摆动。螺线波浪的精力特征值是确定的，它证明它表面地宣传；当螺线波浪的精力特征值是否定的时，哪个它里面地宣传的表演。为产生螺线波浪的精力特征值比体积摆动大的一个螺线波浪有一个必要条件。当它在CGLE系统的空间与更小的精力特征值与另一个波浪竞争时，有更大的精力特征值的一个波浪统治。在这研究的结束，一试验在波浪繁殖和精力传播之间的关系的讨论被给。

简介：通过相互作用精力坡度nanopore的聚合物链的translocation时间被蒙特卡罗模拟和佛克普朗克常数方程与双absorbing边界条件学习。模拟和计算为聚合物translocation揭示了三不同行为。这些行为能从在不同参数为聚合物translocation获得的免费精力的风景被解释品质上。结果证明通过nanopore的聚合物链的translocation时间能被合适设计相互作用精力坡度调节。