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简介：两倍缓冲是有效机制隐藏在在薄片上和离开薄片记忆之间的数据转移的潜伏。在dataflow建筑学，因为dataflow加速器的重复充满并且排干，然而，交换二在许多瓦减少的执行期间缓冲性能。在这个工作，我们为dataflow建筑学建议连续双的缓冲机制。没有停止通过在dataflow建筑学优化控制逻辑处理元素的执行，建议不停的机制把瓦分到处理元素数组。而且，我们建议一个工作流节目与连续双的缓冲机制合作。在控制逻辑上并且在工作流节目上的优化以后，充满并且排干数组需要越过属于一样的dataflow图的所有瓦的执行被做仅仅一次。试验性的结果证明没有优化，为dataflow建筑学的建议双缓冲机制在那上完成16.2%平均效率改进。

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简介：InthiseditorialwecommentonthearticlebyFukushiKetalpublishedintherecentissueoftheWorldJournalofGastroenterology2018;24(34):3908-3918.Wefocusspecificallyonthemechanismsoftheanti-thromboticactionofaspirin,gastricmucosalinjuryandaging-relatedincreasedsusceptibilityofgastricmucosatoinjury.Aspiriniswidelyusednotonlyforthemanagementofacuteandchronicpainandarthritis,butalsoimportantlyfortheprimaryandsecondarypreventionofcardiovasculareventssuchasmyocardialinfarctsandstrokes.Clinicaltrialshaveconsistentlyshownthatantiplatelettherapywithlongterm,lowdoseaspirin(LDA)-75to325mgdaily,dramaticallyreducestheriskofnon-fatalmyocardialinfarcts,strokeandmortalityinpatientswithestablishedarterialdiseases.However,suchtreatmentconsiderablyincreasestheriskofgastrointestinal(GI)ulcerationsandseriousbleedingby>2-4fold,especiallyinagingindividuals.ThisriskisfurtherincreasedinpatientsusingLDAtogetherwithotherantiplateletagents,othernonsteroidalanti-inflammatoryagents(NSAIDs)and/oralcohol,orinpatientswithHelicobacterpylori(H.pylori)infection.Previousstudiesbyourgroupandothershavedemonstratedprominentstructuralandfunctionalabnormalitiesingastricmucosaofagingindividuals(whichwerefertoasaginggastricmucosaor“aginggastropathy”)comparedtothegastricmucosaofyoungerindividuals.Aginggastricmucosahasimpairedmucosaldefense,increasedsusceptibilitytoinjurybyavarietyofnoxiousagentssuchasaspirin,otherNSAIDsandethanol,anddelayedandimpairedhealingofinjury.Themechanismunderlyingtheseabnormalitiesofaginggastricmucosaincludereducedmucosalbloodflowcausinghypoxia,upregulationofPTEN,activationofproapoptoticcaspase-3andcaspase-9,andreducedsurvivin(anti-apoptosisprotein),importin-α(nucleartransportprotein),vascularendothelialgrowthfactor,andnervegrowthfactor.Thedecisionregardinginitiationofalong-termLDAtherapyshould

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简介：Comparedwithendpumpingfibercombiner,oneoftheadvantagesforsidepumpingcombineristheunlimitedpumpingpoints,whichmeansmulti-pointorcascadedsidepumpingcanberealized.However,thelossmechanismofthecascadedstructureisrarelydiscussed.Inthispaper,wepresentthenumericalandexperimentalinvestigationaboutthelossmechanismofatwo-stage-cascadedsidepumpingcombinerbasedontapered-fusedtechnique.Theinfluenceoflossmechanismonthecouplingefficiencyandthermalloadofthefibercoatingisanalyzedaccordingtosimulationsandexperimentswithdifferenttaperingratiosforthefirststage.Basedontheanalysis,acascadedcomponentwithtotalpumpcouplingefficiencyof96.4%handlingapumppowerof1088Wisachievedbyemploying1018nmfiberlaserasthepumpsource.Futureworktofurtherimprovetheperformanceofacascadedsidepumpingcombinerisdiscussedandprospected.

简介：Serviceprovidersoftenadoptthemechanismofcustomerclassificationduetotheheterogeneityofcustomerwaitingcost.However,theclassificationservicemaycauseunfairnessfeelingofregularcustomers,thenaffecttherevenueandsocialwelfare.Thispaperprovidesthefirstexactanalysisaboutthesituationthatserviceprovidersoffertwoclassesofnon-preemptivepriorityservicewhencustomerfairnessperceptionisexplicitlymodeled.Wemodelcustomerfairnessperceptionasanegativeutilityonregularcustomersthat’sproportionaltothewaitingtimedifferencebetweenthetwoqueues.ByanalyzingastylizedM/M/1queueinmonopolyservicesystem,wecanderiveimportantresultssomeofwhichreaffirmexistedresearchresults.First,fromtheperspectiveofrevenuemaximization,serviceprovidersshouldadoptthemechanismofcustomerclassificationandsetupthetwokindsofcustomerswheretheycanseeeachother.Next,consideringcustomerutilitymaximization,serviceprovidersshouldcancelthemechanismofcustomerclassification,andkeeponequeue(regularcustomers)only.Then,fromtheperspectiveofsocialwelfaremaximization,serviceprovidersshouldalsoadoptthemechanismofcustomerclassificationbutsetupthetwokindsofcustomerswheretheycannotfeeleachother.Finally,thispaperconcludestheoptimalpricingbasedoncustomerclassificationintheabovethreedifferentperspectives.Thisresearchshowsimportantreferencevalueandpracticalsignificanceforserviceproviderswhoadoptthemechanismofclassificationservice.

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简介：Deepwatersedimentsarepronetolosscirculationindrillingduetoalowoverburdengradient.Howtopredictthemagnitudeofleak-offpressuremoreaccuratelyisanimportantissueintheprotectionofdrillingsafetyandthereductionofdrillingcostindeepwater.Startingfromthemechanicalpropertiesofashallowformationandbasedonthebasictheoryofrock-soilmechanics,thestressdistributionaroundaboreholewasanalyzed.Itwasfoundthattherockorsoilonaboreholeisintheplasticyieldstatebeforetheeffectivetensilestressisgenerated,andtheeffectivetangentialandverticalstressesincreaseasthedrillingfluiddensityincreases;thus,tensilefailurewillnotoccurontheboreholewall.Basedontheresultsofstresscalculation,twomechanismsandleak-offpressurepredictionmodelsforshallowsedimentsindeepwaterdrillingwereputforward,andthecalculatedvaluesofthesemodelswerecomparedwiththemeasuredvalueofshallowleak-offpressureinactualdrilling.TheresultsshowthattheMHPS(minimumhorizontalprinciplestress)modelandtheFIF(fracturinginformation)modelcanpredictthelowerandupperlimitsofleak-offpressure.ThePLC(permeablelostcirculation)modelcancomprehensivelyanalyzethefactorsinfluencingpermeableleakageandprovideatheoreticalbasisforleak-offpreventionandpluggingindeepwaterdrilling.

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：Inordertomakefurtherstepsindealingwithclimatechange,Chinaproposedtopeakcarbondioxideemissionsbyabout2030andtomakebesteffortsforthepeakingearly.Thecarbonemissionpeaktarget(CEPT)mustresultinaforcingmechanismonChina’seconomictransition.Thispaper,byfollowingthelogicalorderfrom'researchoncarbonemissionhistory'to'carbonemissiontrendprediction,'from'researchonpathsofrealizingpeak'to'peakrestraintresearch,'providesageneralreviewofcurrentstatusanddevelopmenttrendofresearchesonChina’scarbonemissionanditspeakvalue.Furthermore,thispaperalsoreviewsthebasictheoriesandspecificcasesoftheforcingmechanism.Basedontheexistingachievementsanddevelopmenttrendsinthisfield,thefollowingresearchdirectionsthatcanbefurtherexpandedareputforward.First,fromtheperspectiveoflong-termstrategyofsustainabledevelopment,weshouldanalyzeandconstructtheforcingmechanismofCEPTinareversethinkingway.Second,economictransitionpathsundertheforcingmechanismshouldbesystematicallystudied.Third,byconstructingalarge-scalepolicyevaluationmodel,theemissionreductionperformanceandeconomicimpactofaseriesofpolicymeasuresadoptedduringthetransitionprocessshouldbequantitativelyevaluated.

简介：TheGongheBasin,aCenozoicdown-warpedbasin,islocatedinthenortheasternpartoftheQinghai-Xizang(Tibetan)Plateau,andspreadoverimportantnodesofthetransferofmultipleblocksinthecentralorogenicbeltintheNWWdirection.Itisalsocalled“QinKunFork”and“GongheGap”.Thebasinhasahighheatflowvalueandobviousthermalanomaly.Thegeothermalresourcesaremainlyhotdryrockandundergroundhotwater.Inrecentyears,themechanismofgeothermalformationwithinthebasinhasbeencontroversial.Onthebasisofunderstandingtheknowledgeofpredecessors,thispaperproposesthegeothermalformationmechanismofthe“heatsource–heattransfer–heatreservoirandcaprock–thermalsystem”oftheGongheBasinfromtheperspectiveofageologicalbackgroundthroughdataintegrationintegratedresearch-expert,discussion-graph,compilation-fieldverificationandotherprocesses:(1)Heatsource:geophysicalexplorationandradioisotopecalculationsshowthattheheatsourceofheatinthebasinhasboththecontributionofmantleandtheparticipationoftheearth'scrust,butmainlythecontributionofthedeepmantle.(2)Heattransfer:Thepetrologicalpropertiesofthebasinandtheexposedstructurepositionofthesurfacehotspringsshowthatonetransfermodeisthematerialofthemantlesourceupwellsandinvadesfromthebottom,directlyinjectingheat;theotheristhatthedeepfaultconductsthedeepheatofthebasintothemiddleandlowerpartsoftheearth'scrust,thenthesecondaryfracturetransferstheheattotheshallowpart.(3)Heatreservoirandcaprock:First,theconvectivestrip-shapedheatreservoirexposedbythehotspringsontheperipheralfaultzoneofthebasin;second,theunderlyinghotdryrocklayeredheatreservoirandtheuppernewgenerationheatreservoirandcaprockinthebasinrevealedbydrillingdata.(4)Thermalsystem:Basedonthecharacteristicsofthe“heatsource-heattransfer-heatreservoirandcaprock”,itispreliminarilybelievedtha

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简介：Laboratoryexperimentswereconductedtostudythespallationbehaviourofthermalbarriercoatings(TBCs)onaero-engineturbinebladesmanufacturedbytheelectron-beamphysicalvapourdepositiontechnique(EB-PVD).Intactbladeswereheatedattemperature1135°Cinafurnaceforcertaintimeandthencooledtotheroomtemperatureinthelaboratorycondition.Itwasfoundthatnospallationoccurredduringcooling,butspallationhappenedatconstantroomtemperatureaftercooling.Thespallationmechanismisstudiedbyusingthemechanicalmodeldeveloped(Harvey2017andWang2017),whicharebasedonthehypothesisofpocketsofenergyconcentration(PECs).Someobservationsofthespallationbehaviourarewellpredictedbythemodel.