简介：给出了3族新的不含紧优与几乎紧优的有向双环网络.

简介：

简介：Theresearchacceleratorsaregrowinginenergyandpowerwhichinducesanincreaseoftheprojectcosts(Fig.1).TheRFcavitiesandpowersupplymainlycontributethecostofthesuperconductinglinac,whichisacompetitivetechnologyforhighpowermachine.AcodewithoptimizationalgorithmisdevelopedtooptimizethebetavalueofSCcavityfamilyandtransitionenergytoincreasetheTTFvalueofthewholelinac.

简介：ThefirststarsintheearlyUniversewereformedabout400millionyearsafterthebigbang.VerificationoftheexistenceofthesestarsisimportantforourunderstandingoftheevolutionoftheUniverse[1].IthasbeenpredictedthatforPopulation-IIIstellarproductionyields,theabundancesofodd-Zelementsareremarkablydeficientcomparedtotheiradjacenteven-Zelements[2].Astronomersaresearchingforlong-lived,lowmassstarswiththeuniquenucleosyntheticpatternmatchingthepredictedyields[3].

简介：

简介：SpokecavitieshavebeendevelopedandhaveapparentadvantagesforhighcurrentprotonacceleratorbasedonFig.1(coloronline)Theelectromagneticfielddistribution.superconductivityatlowandmediumenergyregion.Astheresearchandthetechnicalreserve,InstituteofModernPhysics(IMP)hasstartedtheR&Dprogramofadoublespokecavity(operatingfrequency325MHz,0=0.52),withintheframeworkofChinaAcceleratorDrivenSystem(C-ADS)project.TheRFdesignandmechanicalstructuredesignhavebeenfinished,andtwoprototypecavitiesweremanufacturedinHarbin.

简介：通常供应链中供应商选优问题为多指标决策问题,本文将此问题视为指派问题.指派问题中的关键是确定"效率"矩阵,本文充分利用供应商单排序结果、评价指标权重以及供应商指标评价值构造了"效率"矩阵,建立了供应商综合选优指派问题模型.案例试算表明该方法合理、有效,为多指标方案决策提供了又一种可行的决策方法.

简介：Abstract.Usingthemethodofundeterminedfunction,asetof12parameterrectangularp|atedementwithdoub[esetparameterandgeometrysymmetryisconstructed.TheirconsistencyerrorareO(h2),oneorderhigherthantheusua[12parameterrectangu|arp[ateelements.

简介：<正>概率是新课程标准下的新增加内容,因此已成为中考命题的亮点和热点.复习这部分内容时,必须进一步理解概率的概念和掌握概率的计算方法,密切联系现实生活,多做试验,留心身边的每一件事,把实际问题与理论知识结合起来考虑问题,体会概率在决策中的作用.中考内容要求了解事件的分类,理解概率的意义,知道通过大量重复实验时用频率可作为事件发生概率估计值,会用

简介：6,9,11-Trihydroxy-6a,12a-dehydrorotenoid1(coccineoneB)wassynthesizedfrom2-hydroxybenzaldehyde2andphloroglucinol.

简介：

简介：In2014,researchersinthehighenergynuclearphysicsgroupatIMPhavecarriedouttheirresearchworkonhadronphysics.Severalinterestingresultswereobtainedandpublished.Themesonandbaryonexcitedstateshavebeenstudiedinalargenumberofformationandproductionexperiments.Thestudyofmesonresonancesandthesearchforglueballs,hybrids,andmultiquarkstateshaveremainedanactiveandinterestingfieldofhadronphysics,whileforbaryons,theinvestigationofthebaryonspectrumandthebaryoncouplingsfromexperimentaldataarealsothemostimportantissuesinhadronicphysicsandtheyareattractingmuchattention.StudyinghadronresonancesiscrucialtounderstanddeeplytheQCDtheoryatnonperturbativeenergyregion,anditisalsoimportantfornuclearphysicsandparticlephysics.

简介：ElectrochemicalBettednotonlycanobtaintheconductingfilmofpolyanilineonaglasscarbonelectrode,butalsocanimobilizePMo12O403-inthefilmtoformaorganicconductingfilmelectrodemodifiedbyheteropolyanion.ThepaperherereportselectrochemicalchangesinthepreparationofPMo12O403--polyanilinemodifiedelectrode,theelectrochemicalreactionmechanismofthemodifiedelectrodewasobtainedfromthestudyonitsredoxproperties.Moreover,theaboveelectrodeshowedmarkedelectrocatalysisforthereductionreactionofCIO?-.

简介：TheimmunomodulatingeffectsofF12onmouseperitonealmacroplhageswasintendedtobestudiedwithdifferentdosesof20,40,80,and120mg/Kg.F12increasedperoxidaseactivityindexcdependentmammerfrom0.02±0.001,to0.175±0.038,0.211±0.041,0.137±0.045and0.078±0.036,respectively,increasedcytotoxicityfrom127.33±22.96to162.74±19.53,237.30±25.15,178.62±36.22and158.66±42.75dpm,respectively,promotedphagocyticactivityfrom0.03±0.01to0.21±0.016,0.43±0.041,0.40±0.032and0.30±0.160^b,Furthermore,F12inaconcentrationof15,30,60,120ug/mlenhancedIL-1productionfrom0.15±0.02to0.20±0.005^b0.21±0.02,0.22±0.005,0.24±0.002and0.22±0.02,respectively,ThusF12canbeconsideredasaneffectivestimulatorofmacrophages.

简介：

简介：

简介：

简介：本文对文献[1]提出的"求解线性规划的快速换基迭代法"从多阶段决策的观点阐述并举证了从极优基未必能快速到达最优基的论断.旨在说明用此方法求解一般线性规划问题时不一定能实现快速换基迭代的概念.

简介：

简介：