简介：Carbon-containingrefiactoriesareeasilyoxidizedathightenperature,thusmakingserviceliferapidlydrop.Theanti-oxidationmethods,suchasimpregnationandaddinganti-oxidatonagents,can'tmeettherequire-mentsofindustry'sdevelopmentandsomespecialcases,Byanalyzingthecharcteristicsofseveraloxidesandnon-oxidesrawmaerials,theoxidationresistantmechanismoftherefractoryanti-oxidationcoatings(RAOC),whichpossessthecharacteristcofself-healingathighttemperature,isdiscussed.

简介：Anoveltuberculosis(TB)genevaccinecontainingmousegranulocytemacrophage-colonystimulatingfactor(mGM-CSF)andaTBantigen(Ag85A)wasdevelopedinthisstudy.ThegenesencodingAg85AandmGM-CSFwereamplifiedbyPCRrespectivelyfromtheAg85A-containingpBSby5andpC-mGM-CSF.ThegeneswerethenclonedintotwodifferentpolylinkersitesofplasmidpIRES,forminganovelTBgenevaccineconstructpI85AGM.FollowingtransfectionofpI85AGMplasmidinto7721celllinebyLipofectamineTM,theexpressionofAg85AandGM-CSFproteinswasidentifiedbyWesternblottingorRT-PCR.ThenBalb/cmicewereinoculatedwiththerecombinantpI85AGM,pI85A,pIGMorplasmidalone,respectively.TheactivitiesofCTL,NKcellsandtheAg85A-stimulatedproliferationofspleencellsweremeasuredbyMTTmethod.TheserumantibodyagainstAg85AwasdetectedbyELISA.TheresultsshowedthattheAg85AandGM-CSFproteinscouldbeexpressedin7721celllineandtheactivityofCTLsandtheproliferationofspleencellsweresignificantlyincreasedinthepI85AGM-immunizedmice,indicatingthatthepI85AGM-immunizedmicecouldgeneratespecificimmuneresponsestoAg85A.Thisstudymightprovidepossibilityfordevelopingnovelanti-TBgenevaccine.

简介：ByusingthegeneralizedPoincaréindextheoremitisprovedthatifthen^2criticalpointsofann-polynomialsystemformaconfigurationoftype(2n-1)-(2n-3)+(2n-5)-…+(-1)^n-1,andthe2n-1outmostanti-saddlesformtheverticesofaconvex(2n-1)-polygon,thenamongthese2n-1anti-saddlesatleastonemustbeanode.

简介：Ｃｈｉｎａ＇ｓＡｎｔｉ－ＪａｐａｎｅｓｅＷａｒＷＯＲＬＤＷＡＲⅡ，ｗｈｉｃｈｅｎｄｅｄｈａｌｆａｃｅｎｔｕｒｙａｇｏｉｎａｃｒｕｓｈｉｎｇｄｅｆｅａｔｆｏｒｔｈｅｆａｓｃｉｓｔｐｏｗｅｒｓ，ｗａｓａｌｉｆｅ－ａｎｄ－ｄｅａｔｈｓｔｒｕｇｇｌｅｂｅｔｗ...

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简介：ThecentralgovernmentwillallocateRMB470millionforAIDSpreventionandcontrol,saidViceHealthMinisterWangLongdetoaJnnepressconferenceheldbytheStateCouncilInformationOffice.

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简介：ChinesetoplegislatorWuBangguoonDec.29,2004promisedthatthe10thNationalPeople'sCongress(NPC）woulddoitsbesttofullyreflectthecommonwillofallChinesepeopleinmakingtheanti-secessionlaw.

简介：Inordertostudytheeffectofanti-HABsagentsonPenaeuschinensis,thetoxicityexperimentsonclay,Ca(ClO)2,FeCl3,andAlCl3toPenaeuschinensisarecarriedout.Theresultsshowthat:(1)theclayisn'ttoxictoPenaeuschinensis;(2)Ca(ClO)2hasnotoxicitytoPenaeuschinensisatlowlevels,buthasacuteandchronictoxicityathighlevels;(3)PenaeuschinensiscanaccumulateFeandAl.Thetoxiceffectneedsfurtherstudy.

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简介：根据各种各样的算法的分析，称为刷子方法的一个抗混叠算法被介绍，它是合适的印射出版标志。在详细介绍刷子方法的基本原则和实现以后，结果和效率通过实验被评估。

简介：Thereexiststrongmultipatheffectsinashallowwateracousticchannel.Thepaperdiscussessomeoftheseimportanteffects.Thestati-sticalcharacteristicsofmultipathinshallowwaterarefirstdescribed,thentheanti-multipathabilityofDTCAschemeisanalysed.TheoreticalestimationsandfieldexperimentshaveprovedthatbothDTACAandDTCCAhaveahighabilityofanti-multipathandevenmakeuseofthemultipathenergy.

简介：Ananti-interferenceorthogonalcodingisintroducedbasedonHadamardcodeandOrthogonalFrequency-DivisionMultiplexing(OFDM),inwhichallsub-channelsofUltra-WideBand(UWB)systemaredividedintoMsub-bandsandthepoweroftheeverytransmittedsymbolspreadsovereachofthesub-bandsratherthanonesub-band.Thecompletemathematicalanalyticalrelationbetweenencodinganddecodingispresentandtherobustnessofthesystemtointerferenceisexamined.Whensomesub-channelsareaffectedbyinterferenceorjamming,thesystemcouldregeneratethesymbolfromothers.SimulationresultsshowthattheAnti-InterferenceUWB-OFDM(AI-OFDM)systemhasevidentadvantagesoverconventionalUWB-OFDMsystemsaswellastheInterferenceSuppressingUWB-OFDM(IS-OFDM)inBitErrorRate(BER)thankstoitsrobustnesstointerference.Inthecaseofbadinterference,theAI-OFDMsystemcouldworkuptosnuffwithoutanyanti-interferencestep,buttheconventionalUWB-OFDMsystemcouldn't.ComparedwiththeIS-OFDMsystem,theAI-OFDMsystemimprovestheperformanceabout5dBinSignal-to-InterferenceRatio(SIR)andtheorderof1～2inBER.

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简介：多保护是在安全管理的一个原则，并且反爆炸的使用和耐火的代理人是它的关键部分。在这份报纸，反爆炸的领域里的nano氧化物粒子的性质并且耐火被分析。纳米粒子的沉积速度是计算的。CH4作为一个例子被拿，并且它起始的阶段的燃烧机制被结束。反应系统的分子的精力上的15氧化物的效果与程序Hyperchem6被计算，并且在激进分子和氧化物之间的可能的接触方式被得到。氧化物例如ZrO2，能与激进分子结合，这被结束，并且因此阻止燃烧反应。nano-ZrO2暴发地产生了喷雾器，这被发现比在用作反爆炸和耐火的代理人的另外的对应物优异，因此，将在安全管理起一个日益重要的作用。

简介：CD137,acostimulatoryfactorofTNFRfamily,isexpressedonactivatedTcellsandfreshlyisolatedmousedendriticcells(DCs).Todate,thereareonlylimiteddatadealingwiththeexpressionandtheeffectofCD137onhumanDCs.WereportinthisworkthatCD137cancoexpresswithCD137Lonimmatureperipheralblood-derivedhumanDCs(9.77%).ThematureDCsstimulatedbyLPSshowedamuchhigherlevelofCD137expression(36.06%).LigationofCD137onthesurfaceofDCswithanti-CD137monoclonalantibody(mAb)couldenhancethedirectanti-tumoreffectmediatedbyhumanDCsinvitro.Theagonisticanti-CD137mAbwasabletoelevatebyabout20%oftheDC-mediatedinhibitionoftumorgrowthinfivetumorcelllines.Theseresultsindicatethattheapplianceofanti-CD137mAbmightbeusedasanewstrategyfortumorimmunotherapy.Cellular&MolecularImmunology.2004;1(1):71-76.

简介：1TheprincipalconclusionTh1:Foreveryanti-symmetrictridiagonaln×nmatrixAwiththeoff-diagonalele-ments±βi（i=1,2,…n-1）,thereisanorthogonalmatrixLsuchthatLATALT=（?）（CandDisallsymmetrictridiagonalmatrix）.Andtheelementscij,dijandlijofmatrixC,DandLaredeterminedbythefollowngmeth-

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简介：Inthispaper,wedemonstratethatthedouble-shiftQLalgorithmforanirreducibleanti-symmetriciridiagonalmatrixwiththeshiftsbeingtwoeigenvaluesofthe2×2matrixintheleftuppercornerofthismatrixisconvergentandtheconvergenceraleofMskindofalgorithmisgenerallycubic.