简介：FBSNG[1]isaredesignedversionofFarmBatchSystem(FBS[1]),whichwasdevelopedasabatchprocessmanagementsystemforoff-lineRunIIdataprocessingatFNAL.FBSNGisdesignedforUNIXcomputerfarmsandiscapableofmanagingupto1000nodesinasinglefarm.FBSNGallowsuserstostartarraysofparallelprocessesononeormorefarmcomputers,Itusesasimplifiedabstractresourcecountingmethodforloadbalancingbetweencomputers.TheresourcecountingapproachallowsFBSNGtobeasimpleandflexibletoolforfarmresourcemanagement.FBSNGschedulerfeaturesincludeguaranteedandcontrollable”fair-share”scheduling.FBSNGiseasilyportableacrossdifferentflavorsofUNIX.ThesystemhasbeensuccessfullyusedatFermilabaswellasbyoff-sitecollaboratorsforseveralyearsonfarmsofdifferentsizesanddifferentplatformsforoff-linedataprocessing,Monte-Carlodatagenerationandothertasks.

简介：InaccordancewithRegulationonImportandExportofCommoditiesofthePeople'sRepublicofChina,MinistryofCommerceissuedtheNO.139[2008]commercialandtradeletter,announcedthefirstbatchofrareearthexportquotasin2009onDecember26th,2008.ThefirstbatchofREexportquotasin2009willbegrantedtothoseenterprisesthatmeetapplicationconditionsfor2009

简介：Chinawillstepupitssupervisionontherare-earthsector,asitvowstoimposeseverepenaltiesonthoseillegallymine,produceorexportrare-earthmaterialsandfullyrealizethe"strategicsupport"fromrare-earthmaterials,accordingtoanewguidelinereleasedonSunday.

简介：TheMinistryofCommerceofChinasupplementedthefirstbatchofrareearthexportquotas,whichwereassignedtothecompaniesthathadpassedtheinspectionoftheMinistryofEnvironmentalProtection.

简介：TheMinistryofCommercereleasedrareearthexportcompanylistandthefirstbatchofexportquotas2012on27thDecember2011.1.Since2012,rareearthexportquotaswillbedividedbetweenlightrareearthsandheavyrareearths.2.Thefirstbatchofexportquotasin2012are

简介：TheMinistryofIndustryandInformationTechnologyandtheMinistryofNaturalResourceshaverecentlyissuedthesecondbatchofrareearthmining&productionquotastothesixrareearthgroups(45,000tonsofrareearthsmeltingandseparationproductsand46,500tonsofmineralproducts).Accordingtothenotice,thegovernmentstrictlycontrolsoverallamountofrareearthmining,smeltingandseparationproducts.Thetotalamountofrareearthmining,smeltingandseparationcontrolplansfor2018are120,000tonsand115,000tons,respectively.

简介：光电二极管的反射关于在responsivity和事件流动之间的关系起一个重要作用。在这个工作，我们分析分光反射率怎么从一样的制造商和批在光电二极管之中变化并且三根标准光电二极管的反射怎么在六年期间漂流了。结果证明在一样的批以内并且也的二极管的从二极管的反射变化证明光电二极管的反射准时变化。这变老是幽灵似地依赖的。

简介：Asakindofaerobicbacteria,Saccharopolysporaspinosaexhibitsahighdemandforoxygen.Inthefermentationprocess,themethodsofincreasingventilationandimprovingagitationspeedareusuallyadoptedtoachievehighervaluesofdissolvedoxygen.Thesemethodsdecreasetheefficiencyofspinosadbiosynthesis.Inthisstudy,animprovedreactorwasdesignedtosolvetheseproblems.Theexhaustgasrefluxdevice,impellers,andbaffleswereimproved.Furthermore,weestablishedthekineticmodelsforthecellgrowth,substrateconsumptionandspinosadgenerationinbatchfermentationprocess.Thesimulationresultswereingoodagreementwiththeexperimentaldata.Spinosadproductionreached583.86mg/Lafteremployingthesuitablefeedingstrategybyfed-batchfermentationintheimprovedreactor,whereasitwasonly157.01mg/Lbeforeoptimization.Themethoddescribedcanprovideinsighttostrengthenspinosadproductionandcanbeextendedtotheculturingprocessoffilamentousaerobicbacteria.

简介：AccordingtothenoticereleasedbyMIITandtheMinistryofNaturalResources,thefirstbatchofrareearthoreminingquotaswas60,000tonsin2019,ofwhichquotasforionictyperareearthmineral(mainlymediumandheavyrareearth)was9,575tons,andquotasforrocktyperareearthmineral(mainlylightrareearths)was50,425tons.

简介：摘要：本文主要针对催化剂厂二套分子筛装置NaY分子筛成胶批量程序中导向剂放料过程两个导向剂罐不能自动相互连续补加使用，生产连续性差这一问题，对批量程序进行修改，达到导向剂罐1、导向剂罐2两个导向剂罐放料过程自动灵活互相补加、连续生产的目的。

简介：ThispaperisconcernedwiththeanalysisofafeedbackM[X]/G/1retrialqueuewithstartingfailuresandgeneralretrialtimes.Inabatch,eachindividualcustomerissubjecttoacontroladmissionpolicyuponarrival.Iftheserverisidle,oneofthecustomersadmittedtothesystemmaystartitsserviceandtherestjoinstheretrialgroup,whereasalltheadmittedcustomersgototheretrialgroupwhentheserverisunavailableuponarrival.Anarrivingcustomer(primaryorretrial)mustturn-ontheserver,whichtakesnegligibletime.Iftheserverisstartedsuccessfully(withacertainprobability),thecustomergetsserviceimmediately.Otherwise,therepairfortheservercommencesimmediatelyandthecustomermustleavefortheorbitandmakearetrialatalatertime.ItisassumedthatthecustomerswhofindtheserverunavailablearequeuedintheorbitinaccordancewithanFCFSdisciplineandonlythecustomerattheheadofthequeueisallowedforaccesstotheserver.TheMarkovchainunderlyingtheconsideredqueueingsystemisstudiedandthenecessaryandsufficientconditionforthesystemtobestableispresented.Explicitformulaeforthestationarydistributionandsomeperformancemeasuresofthesysteminsteady-stateareobtained.Finally,somenumericalexamplesarepresentedtoillustratetheinfluenceoftheparametersonseveralperformancecharacteristics.

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简介：China'sMinistryofLandandResourcesreleasedthefirstbatchofrareearthminingquotasin2017,accordingtoanannouncementontheministry'swebsite.Thetotalminingamountforthefirstbatchis52,500tonnes,equaltothenumberin2016.Outofthe52,500tonnes,thereare43,550tonnesforlightrareearthsand8,950tonnesformediumandheavyrareearths.

简介：据《AluminiumInternationalToday》杂志介绍，英国MQP有限公司研究开发出一种称为BatchPilot的铝熔炉铝水存留和流出量的测量新技术，测量偏差为±200kq。

简介：MinistryofCommerce(MOFCOM)releasedrareearthexportquotasforthesecondhalfof2013inaccordancewithrelatedlawsandregulations.Thesecondbatchofrareearthexportquotasshouldbeallocatedtothosequalifiedenterprises;Thesecondbatchofrareearthexportquotasareissuedonthebasisofrareearthenterprises'export

简介：MIITissuedthenoticeabout2017thefirstbatchofrareearthproductioncontrolquotasrecently.Accordingtothenotice,overallrareearthmineralproductionquantityiscontrolledat52,500tonsandsmelting&separationproductsat50,075tons,whileitwas52,500tonsand45,000tons,respectively,for2016.Accordingtothenotice,rareearthcontrolquotasshallbeallocatedtoenterprisesthatmeetthenationalrareearthindustrypoliciesandindustrialdevelopmentplanningrequirements.

简介：MIITissuedthenoticeabout2016thefirstbatchofrareeachproductioncontrolquotasrecently.Accordingtothenotice.overallrareeachmineralproductionquantityiscontrolledat52,500tonsandsmelting&separationproductsat45,000tons,amongwhich,productioncontrolquotasofthesixrareeachgroupsare52,440tonsofmineralproductsand44,805tonsofsmelting&separationproducts.Thenoticepointedoutthatrareeachisaproductthatshouldstrictlyfollowtotalvolumncontrol

简介：WeconsideranMX/G/1queueingsystemwithtwophasesofheterogeneousserviceandBernoullivacationschedulewhichoperateunderalinearretrialpolicy.Inaddition,eachindividualcustomerissubjecttoacontroladmissionpolicyuponthearrival.ThismodelgeneralizesboththeclassicalM/G/1retrialqueuewitharrivalsinbatchesandatwophasebatcharrivalqueuewithasinglevacationunderBernoullivacationschedule.Wewillcarryoutanextensivestationaryanalysisofthesystem,includingexistenceofthestationaryregime,embeddedMarkovchain,steadystatedistributionoftheserverstateandnumberofcustomerintheretrialgroup,stochasticdecompositionandcalculationofthefirstmoment.

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