简介：ThehydrogenstoragepropertiesofTi1.2Fe+xCa(x=1%,3%and5%inmassfraction)alloyswasinvestigated.ResultsshowthatthemodifiedalloyscanbeactivatedwithoutanythermaltreatmentatroomtemperatureduetotheadditionofCaandexcessTiinthealloys.HydrogenstoragepropertiesofthesemodifiedalloysvarywithCaamountandreactiontemperature.Inaddition,theinfluencemechanismoftheadditionofCaandexcessiveTiontheactivationbehaviorandhydrogenstoragecapacityofthealloyswasdiscussed.

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简介：Theeffectsofsucroseconcentration,pHvalueandstorageconditionsongerminationandpollentubegrowthofinvitroculturedsprucewerestudiedandtheingredientsofculturemediumwereoptimized.TheresultsshowedthattheeffectofsucroseconcentrationandpHvalueonsprucepollen’sgerminationwassignificant,andaclearthresholdeffectexisted.Loworhighconcentrationofsucrosewasnotconducivetothepollen’sgermination,itwasfoundthat10%ofwhichwasmoresuitabletotheinvitrocultureofsprucepollen;differentsprucespeciesrequireddifferentconcentrationsofsucrosemedium,7.5%ofsucroseconcentrationmediumwasbettertopollentubegerminationofPiceaasperata,but10%ofwhichwasthebestmediumtothatofPiceaabies.BothpH4.5and6.5hadrestrainedactiononpollengerminatingrateofspruce,andthegrowthofpollentubes.Underdarkcultureconditions,P.abiesbegantogerminatein6h,butP.asperatagerminatedin8h,themassgerminatingpowerofP.abieswashigherthanthatofP.asperata;thegrowthprocessofP.abieswas20-22h,andthatofP.asperatawasabout16h;ThepollentubesofP.abieswasover10?mlongerinlengththanthatofP.asperata.Thereweresignificantdifferencesofgerminatingpowerandlengthofpollentubesbetweengenotypesoftwodifferentindividualsofbothspruces.Thestoragemethodshadgreatinfluenceontheviabilityofpollen.Intheprocessofpollenpreservation,temperaturewasthekeyfactor.Cryopreservationwasbetterthancoldstorageandroomtemperaturepreservationwasunfavorable.

简介：TheDiracsymbolisusedtorepresentthediscretecomplexHopfieldneuralnetworkmodel.Thesignal-to-noisetheoryandthecomputernumericalsolu-tionaremadetoanalysethestoragecapacityofthemodel.Thestoragecapacityra-tioofthemodelequalstothatoftheHopfieldmodel.Finally,usingthemodeltorecognizethe4-levelgreyorcolorpatternsisdiscussed.

简介：InthisarticlewewillintroducethesystemstructureofamodelbuiltforBESdatamanagementandstorageaswellasthebasicmethodsonhowtoestablishthesystem.Additionallytheanalysisofthedatastructure,thedataprocess,theselectionofexperimentalprogram,theimagemanipulationandthekeytechniqueswillbediscussedindetail,Themodelimplementsthesetupofthesystemenvironmentandallthosefunctionsfromdataloading,databasecresting,dataaccessing,remotedataprocesstodatafiguring.

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简介：Thisarticleisaboutapieceofmiddleware,allowingtoconvertadumptapebasedTertiaryStorageSystemintoamultipetabyterandomaccessdevicewiththousandsofchannels.Usingtypicalcachingmechanisms,thesoftwareoptimizestheaccesstotheunderlyingStorageSystemandmakesbetteruseofpossiblyexpensivedrivesandrobotsorallowstointegratecheapandslowdeviceswithoutintroducingunacceptableperformancedegadation.Inaddition,usingthestandardNFS2protocol,thedCacheprovidesauniqueviewintothestoragerepository,hidingthephysicallocationofthefiledata,cachedortapeonly.BulkdatatransferissupportedthroughthekerberizedFTPprotocolandaC-API,providingtheposixfileaccesssemantics,Datasetstaginganddiskspacemanagementisperformedinvisiblytothedataclients.TheprojectisaDESY,FermilabjointefforttoovercomelimitationsintheusageoftertiarystorageresourcescommontomanyHEPlabs.ThedistributedcachenodesmayrangefromhighperformanceSGImachinestocommodityCERNLinux-IDElikefileservermodels.Differentcachenodesareassumedtohavedifferentaffinitiestoparticularstoragegroupsorfilesets.AffinitiesmaybedefinedmanuallyorarecalculatedbythedCachebasedontopologyconsiderations.Cachenodesmayhavedifferentdiskspacemanagementpoliciestomatchthelargevarietyofapplicationsfromrawdatatouseranalysisdatapools.

简介：I.StatusofChineseREHydrogenStorageAlloys1.R&DofREHydrogenStorageAlloysinChinaAB5hydrogenstoragematerials,takingrareearthmischmetalsasrawmaterials,developedrapidlyinChinainrecentyears.Today,differentcountriesattachimportancetothedevelopmentandapplicationofthenewenvironmental

简介：2.CharactersofNiMHpowerbatteryandrequirementsonnegativeelectrodehydrogenstoragematerialsIncontrastwithordinarysmallNiMHbattery,NiMHpowerbatteryforautosworksinthemoreharshconditions.Hence,requirementsonthecomprehensiveperformancesofNiMHpowerbatteryarestrict.MaindifferencesbetweenNiMHpowerbatteryandordinaryNiMHbatteryinclude:

简介：Duetothegrowingconcernabouttheagriculturalphosphorus(P)lossespollution,anin-depthunderstandingofPinpaddysoilsofChinawouldbehelpfulinprovidinganationalperspectiveoftheenvironmentalimpactofPcyclingandfertilityonChina'sfarms.Inthisstudy,weevaluatedthePstorageandthePdensityofpaddysoilsinChina,characterizedthespatialvariationsofPamongthesubgroupsofpaddysoilsandsoilregionsinChina,andevaluatedthePdatausingGIS-basedanalysis,whichincludedanewlycompiled1:1000000digitalsoilmapofChina,andusing1490soilprofiles.TheavailableandtotalPdensitiesofpaddysoilswere6.7and698.5gm-3,respectively.OverallinChina,thetotalPstoragewithin1mofpaddysoilswasestimatedtobe330.2Tg.ThePdensityofpaddysoilsvariedsubstantiallywithsubgroupsduetothedifferentsoilwaterregimessuchasgroundwatertableandsoildrainage.ThePavailabilityinpaddysoils,especiallyinsurfacelayer,washigherinhightemperatureandprecipitationareas.Furtherresearchisneededtoexaminemoreanthropogenicimpactfactors,suchasincreasinguseofchemicalfertilizer.

简介：Thisstudydefinesandassessestheselectionciiteriaforsuitableparticulatematerialstobeusedinanupflowbubblingfluidizedbed(UBFB)ordenseup-flowpowdercirculationsystemforsolarenergycaptureandstorage.Themaincriteriaidentifiedarebasedonthethermophysicalandthermomechanicalproperties,attritionbehavior,andtheconsiderationsofhealthandenvironmentalhazardsofthecandidatepowders.Finally,acostcomparisonandtentativerankingofthedifferentcandidatepowdersispresentedinadditiontoaweightedscoring.Significantscoringdifferencescanbeobservedbetweenthevariousmaterials.Olivinepossessesthemostfavorablecharacteristicsandappearstobetheparticulatematerialofchoiceforsolid/gassuspensionheattransferfluids.

简介：JeffersonLabhasimplementedascalable,distributed,highperformancemassstoragesystem-JASMine.ThesystemisentirelyimplementedinJava,providesaccesstorobotictapestorageandincludesdiskcacheandstagemanagercomponents.Thediskmanagersubsystemmaybeusedindependentlytomanagestand-alonediskpools.Thesystemincludesaschedulertoprovidepolicy-basedaccesstothestoragesystems.Securityisprovidedbypluggableauthenticationmodulesandisimplementedatthenetworksocketlevel.Thetapeanddiskcachesystemshavewelldefinedinterfacesinordertoprovidsintegrationwithgrid-basedservices.Thesystemisinproductionandbeingusedtoarchive1TBperdayfromtheexperiments.andcurrentlymovesover2TBperdaytotal.ThispaperwilldescribethearchitectureofJASMine;discusstherationaleforbuildingthesystem,andpresentatransparent3^rdpartyfilereplicationservicetomovedatatocollab-oratinginstitutesusingJASMine,XML,andservlettechnologyinterfacingtogrid-basedfiletransfermechanisms.

简介：Inthisarticle,theoperationstatusofBEPC/BSRFin1999/2000ismainlyreviewed.BEPRisdesignedtoserveasaresearchfacilityforbothelementaryparticlephysicsandsynchrotronradiationexperiments.Therewerethreemajortasksforacceleratorduringthisoperation:ProvidebeamstoBSRFforabout70dayswhichweredistributedintothreeperiods.operateforhighenergyphysicsexperimentsat1.55GeVtoacquiremorethan20millionJ/ψevents.andfinishthepreliminarilymachinestudieswhicharerelativetoBEPCfurtherupgradesandBEPC-IIprojectstudies.Withthecollaborativeeffortsofalltheacceleratorpeople,allthegoalswereachievedsuccessfullyatlast.

简介：NanostructuredtitaniahavebeenintensivelyinvestigatedasanodematerialsofLi-ionbatteriesfortheirexcellenthighrateperformance.ThesizeeffectsofTiO2polymorphs(mainlyrutile,anataseandTiO2-B)ontheirelectrochemicalperformanceandthelatesteffortsinnanoengineeringtitaniaanodesthroughenhancingtheirionicorelectronictransportationorbotharereviewedinthiswork.Wesupposethatmicron-orsubmicronsizedporousstructuresassembledbyTiO2nanoparticles,nanowires/nanotubesornanosheetswithahighpercentageofexposinghighreactivefacetstogetherwithaconductivepercolatingnetworkareidealanodesnotonlyforhighratelithiumstoragebutalsoforhighpackingdensitiesoftheactivematerials.

简介：Thispaperpresentsthedesign,implementationandtestingofanembeddedsystemthatintegratessolarandstorageenergyresourcestosmarthomeswithinthesmartmicrogrid.Theproposedsystemprovidestherequiredhomeenergybyinstallingrenewableenergyandstoragedevices.Italsomanagesandschedulesthepowerflowduringpeakandoff-peakperiods.Inaddition,atwo-waycommunicationprotocolisdevelopedtoenablethehomeownersandtheutilityserviceprovidertoimprovetheenergyflowandtheconsumptionefficiency.Thesystemcanbeanintegralpartforhomesinasmartgridorsmartmicrogridpowernetworks.Aprototypefortheproposedsystemwasdesigned,implementedandtestedbyusingacontrolledloadbanktosimulateascaledrandomrealhouseconsumptionbehavior.Threedifferentscenariosweretestedandtheresultsandfindingsarereported.Moreover,dataflowsecurityamongthehome,homeownersandutilityserverisdevelopedtominimizecyber-attacks.

简介：这份报纸为最佳的企业连续性论述一个解决方案，与为企业应用程序的存储建筑学，它将保证零数据损失和快恢复。解决方案使用因特网协议存储区域网络(IPSAN)，没有麻烦同步、半同步的复制技术的应用程序服务器，以及混合复制数据到遥远的灾难恢复地点，它被用于数据管理。我们介绍了详细设计与使用开放源代码数据库postgres为最佳的企业连续性证明我们的点的案例研究同步、半同步。理论演讲也为一样被给。

简介：输入用户名和密码对于经常上网的用户来说已是家常便饭，每天都要输入一大堆的密码，比如邮箱密码、论坛密码、聊天软件密码等，微软本着一切为用户“着想”的目的，非常“体贴”地在IE中为大家设置了“自动完成”的功能，使用该功能可以简化一些输入步骤，自动保存用户在登陆网页时输入的各种密码，这在一定程度上方便了用户快速打开网页。

简介：［1］CHENGShangmu,1990.Heat-Transferring,TheHigherEducationPublishingHouse,21～23,60～69,126～138.(inChinese)［2］CHENGYushenandFENGLuping,1998.Heat-TransferAnalysisandNumericalModelingofUnderwaterConcreteOilTank,OilJournal,9(2):117～126.(inChinese)［3］DaqinFieldScienceandResearchDesignInstitute,1975.DesignManualofOilandGasCollectandTransport,422～426,497～501.(inChinese)［4］HOUFusheng.EngineeringManualofOilRefining,OilIndustryPublishingHouse.［5］LUPeiqiong,1997.ResearchonHeat-TransferringofEasyCurdlingOilStorageinUnderwater,StorageandTransportofOilandGas,16(8):4～9.(inChinese)［6］TAOWensuan,1986.NumericalCalculationofHeatTransferring,Xi′AnJiaotongUniversityPublishingHouse,23～27,83～87.(inChinese)［7］ZHANGFenglu,1982.FiniteDifferenceMethodforHeat-TransferCalculation,MetallurgicalIndustryPublishingHouse,86～100,151～160.(inChinese)

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简介：<正>ZhenghewanHydropowerStationthefirstlargePumped-storagehyddropowerprojectinhebeiprovinceis