简介：ＥＦＦＥＣＴＯＦＳＵＣＰＥＮＤＩＮＧＭＥＤＩＵＭＶＩＳＣＯＳＩＴＹＯＮＯＲＩＥＮＴＡＴＩＯＮＡＮＤＤＥＦＯＲＭＡＴＩＯＮＯＦＲＢＣＳＩＮＡＳＨＥＡＲＦｌＯＷＦＩＥＬＤＷｅｎＺｏｎｇ－ｙａｏ，ＭａＷｅｉｙｕａｎ，ＧａｏＴｉｅ，ＳｕｎＤａｇｏｎｇＤｅｐａ...

简介：SinteredmulliteispreparedbykyanitepowderwithAl2O3contentof45%and50%(Yinshan,NanyangCity,China),andtheindustrialaluminaisaddedtocontrolthechemicalcomposition.ThedifferentseriesofsinteredmulliteaccordingtotheAl2O3content(45%-70%)aredesigned.Therawmaterialsaremixedandcompacted,andthensinteredatdifferenttemperatures.Physicalproperties,phasecomposition,microstructureandrefractorinessunderloadofthesynthesizedsamplesarecharacterizedbyphysicalpropertytest,XRD,SEMandRULtest,inordertoconfirmthequalityofsinteringandtherelationshipbetweentemperatureandmullitizationreaction.Theresultsshowthatthesinteredmullitefromlow-mediumgradekyanitehaswelldevelopedmullitecrystalsandacontinuousstaggerednetworkstructureisformed,whichhasasignificantcontributiontoincreasingthehightemperatureperformanceofmullite.

简介：TheDonnelltheoryofshellwasappliedtodescribeshellmotion.Theinnerandoutershellswerestiffenedbytransversecomponents.Usingdeformationharmoniousconditionsoftheinterface,theeffectsofstiffenersweretreatedasreverseforcesandmomentsonthedoublecylindricalshell.Intheacousticfieldproducedbyvibrationandsoundradiationofthedoubleshell,thestructuredynamicequation,Helmholtzequationinthefluidfieldandthecontinuityconditionsofthesurfaceoffluid-structurecomposethevibrationequationcoupledbythesound-fluid-structure.Theextractofacousticpressurecomesdowntotheextractofcouplingvibrationequation.Thenearfieldacousticpressurecanbesolveddirectlybycomplicatedcalculationalmethods.

简介：Asaresultofeconomicreformcommencingin1978inChina,culturalbeliefsoftheChinesebusinessownersarechanging.Whilemuchhasbeenpublishedconcerninglargeandmultinationalbusinesses,thereisagapinknow

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简介：这份报纸从1950～2003用测量数据在更低的黄河学习在满满的分泌物，侧面的生气的节变化和到来的流动和沉积状况之间的关系。自从1950，满满的分泌物显然减少了，到流动深度的隧道宽度的比率增加了。批评年度平均到来的沉积系数(定义为沉积集中的比率排出)并且分别地，在Huayuankou车站的分泌物为从Huayuankou发生在活动范围到Lijin的没有积聚的免职是约0.012和1,850m3s1。在这个基础上，一个数学模型被用来在不久的将来在可能的到来的流动和沉积条件下面在更低的黄河和它的相应满满的分泌物学习主要隧道的规模。影响主要隧道的规模的主要因素被分析，并且测量塑造并且坚持说一条中型的隧道被讨论。结果显示出在塑造主要隧道上免除Xiaolangdi水库的各种各样的水和沉积联合的效果并且建议在最近的到来的流动和沉积条件下面，与满满的分泌物塑造并且维持一条中型的隧道是可能的近似4,000m3s1。

简介：Bystatisticanddynamicanalyses,wehavecometothefollowingconclusions:(1)TheECMWFmedium-termnumericalforecastcanforecastmedium-termactivityofsubtropicalhigh,andtheaccuracyrateofforecastcannothavelargeimprovementbytranslationalcorrections.(2)TheimportantcausefortheECMWFmedium-termnumericalforecasttohaveerrorsin1998isthattheastronomicaltideisnotincludedinthemodel.(3)TwoindexesarefoundfromwhichitcanbejudgedthatECMWFmedium-termnumericalforecastwillhaveerrorsiftheastronomicaltideisignoredinthemodel:①Whenthe54.7°lineunderthemoonofthenodicalmonthastronomicalsingularitiescoincideswiththetrough-lineofthesubtropicaljetflowfrom50°Eto150°Eonthe500hPalevelat2000L.T.ofthesameday,andisapproximatelyvertical(α>60°)withtheisotherm,thentheday0-2daysaftertheappearanceofthenodicalmonthastronomicalsingularitiesisdefinedastheinitialday.Theninthreesuccessivedaysaftertheinitialday,ECMWFmedium-termnumericalforecastofthenorthernlatitudeofthe588lineat120°Ewillhavecontinuouserrorsaslargeastwolatitudes(7/9).Otherwise,itwon'thavecontinuouserrors(13/13).②Otherwise,ifthe54.7°lineisintherangeofalowpressurebetweentwohighpressures,thenthereisadispersiveerroronthedayofthenodicalmonthastronomicalsingularities(5/7).Thereisnotanyerror(6/6)otherwise.

简介：Thispaperisconcernedwiththethermoelasticbehaviorsofanelasticmediumwithvariablethermalmaterialproperties.Theproblemisinthecontextoffractionalorderheatconduction.Thegoverningequationswithvariablethermalpropertieswereestablishedbymeansofthefractionalordercalculus.Theproblemofahalf-spaceformedofanelasticmediumwithvariablethermalmaterialpropertieswassolved,andasymptoticsolutionsinducedbyasuddentemperatureriseontheboundarywereobtainedbyapplyinganasymptoticapproach.Thepropagationsofthermoelasticwaveandthermalwave,aswellasthedistributionsofdisplacement,temperatureandstresseswereobtainedandplotted.Variationsinthedistributionswithdifferentvaluesoffractionalorderparameterwerediscussed.Theresultswerecomparedwiththoseobtainedfromthecaseofconstantmaterialpropertiestoevaluatetheeffectsofvariablematerialpropertiesonthermoelasticbehaviors.

简介：Theauthorsstudyaporousmediumequationwitharight-handside.TheoperatorhasnonlocaldiffusioneffectsgivenbyaninversefractionalLaplacianoperator.ThederivativeintimeisalsofractionalandisofCaputo-type,whichtakesintoaccount'memory'.TheprecisemodelisD_t~αu-div(u(-Δ)~(-σ)u)=f,0<σ<1/2.Thispaperposestheproblemover{t∈R~+,x∈R~n}withnonnegativeinitialdatau(0,x)≥0aswellastheright-handsidef≥0.Theexistenceforweaksolutionswhenf,u(0,x)haveexponentialdecayatinfinityisproved.ThemainresultisH¨oldercontinuityforsuchweaksolutions.

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简介：比较支持者天赋杀手(A-NK)的增长和cytotoxicity之间的差别与没有浆液的中等AIMV和标准有教养的房间在vitro的包含浆液的媒介，并且也在激活和IL-2-treatedA-NK房间的形态学特性上观察IL-12的帮助效果，细胞的增长被MTT方法在vitro评估。A-NK房间打死的目标房间的形态学通过验电器被观察。所有能很快在没有浆液的中等AIMV有教养的A-NK房间增殖并且在标准包含浆液的媒介与那相比使cytotoxicity高。中等剂量的IL-2和IL-12激活的A-NK房间比高剂量的IL-2-treatedA-NK房间优异。这些数据显示没有浆液的中等AIMV能为culturingA-NK房间代替标准包含浆液的媒介，并且中等剂量的IL-2和IL-12能减少高剂量的IL-2引起的副作用。学习为A-NK房间的试验性、临床的准备提供了一个新试验性的基础。

简介：ThecatalyticoxidationofcyclohexenetocyclohexanoneusingPd(OAc)2/HQ/FePcwasinvestigatedinanacidicaqueoussolutionofacetonitrile.TheroleofeachcomponentofthissystemintheoxidationofcyclohexenewasexploredbymeansofUV-VIS,IR,XPSspectroscopyandcyclicvoltammetry,respectively.Basedontheexperimentalresults,themechanismoftheoxidationofcyelohexenecatalyzedbyPd(OAc)2/HQ/FePcwaselucidated.

简介：Natureinspiredsolutionsenablebiologicalsystemstoadaptandaccomplishtheirtasksinverynoisyanduncertainenvironments.Takinginspirationfromnature,anovelbacteriacontrollercapableoffindingthesourceofpollutioninanunderwatermediumturbulentenvironmentispresentedinthispaper.Experimentsprovethatthecontrolleriscapableofperformingpollutionsourceexploration,pollutionplumetransverseandsourcedeclarationinamediumPecletenvironmentwithoutdistinctivelyseparatingthesethreecomponentsasmostresearchersdid.Theresultsobtainedfromtheseexperimentsareconsideredasasteptowardsthedeploymentofroboticfishinahighlyturbulentmarineenvironment.Finally,abriefconclusionandfutureextensionarepresented.

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简介：在沥滤的Pb之间的关系当在它的团结的形式的水泥在酸媒介被沥滤时，有时间的集中和答案pH被分析。团结的形式，增加方法的水泥，和Pb团结上的水和度的粒子尺寸的效果也被调查。试验性的结果显示水泥快速被溶解，形成有好吸附的C-S-H胶化或硅的酸大音阶的第五音并且在酸媒介含水。当cement-Pb团结了时，形式在一个醋酸盐答案被沥滤，含水的产品与时间侵蚀，Pb集中因此在开始稍微增加。然后，一些Pb离子被最新产生的硅的酸大音阶的第五音吸收，C-S-H。其它生产Pb(哦)为第二等的团结的2降水，在超过二个小时的一沥滤的时间在Pb集中导致渐渐的减少。而且，团结的形式的粒子尺寸在Pb溶解上有重要效果。当增加的水泥的数量是低的时，与不到9.5的pH，团结影响原来的水泥粉末的顺序，水泥含水的粉末，和cement-Pb团结了形式。当水泥的增加的数量与超过11的pH增加时，在团结上增加方法的效果减少，并且团结的形式比其它好一些。

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简介：腐蚀抵抗无电在钠氯化物答案从12%～14%与磷的内容捏存款被学习。存款沉浸于3.5%NaCl答案让29d获得电气化学的参数；分别地为15d在标准盐水花测试被检验。存款的腐蚀抵抗被potentio动态的扫描学习，电气化学的阻抗光谱学(EIS)，X光检查衍射(XRD)；扫描电子显微镜学(FE-SEM)的冷地的排放与一个精力装备了散X光检查察觉者(EDX)。XRD的模式；FE-SEM的结果证明准备存款是非结晶的。但是在15d标准盐水花测试以后，一些针孔出现在存款的表面上；存款的表面上的磷的重量内容更高(它对钝化电影的形成有益)当因为镍的溶解重量比磷的大，镍内容更低时，比那，在标准盐前，水花测试。从potentio动态的扫描的结果；EIS证明钝化电影在NaCl答案在沉浸以后在Ni-P存款上形成了，它减少了腐蚀率捏样品。这个工作的结果在海洋的腐蚀显示出他们的潜在的应用。

简介：InChinamorethantwo-thirdsofavailablecoalreservesareinaridareas,where,tobeneficiatetherun-of-minecoal,thereisnotenoughwaterresourcerequiredbyconventionalprocessing.DevelopingefficientdrybeneficiationtechnologyisofgreatsignificanceforefficientcoalutilizationinChina,notablythecleancoaltechnology(CCT).Thedrycoalbeneficiationtechnologywithair-densemediumfluidizedbedutilizesair-solidsuspensionasbeneficiatingmediumwhosedensityisconsistentforbeneflciation,similarinprincipletothewetdensemediumbeneficiationusingliquid-solidsuspensionasseparatingmedium.Theheavyportioninfeedstockwhosedensityishigherthanthedensityofthefluidizedbedwillsink,whereasthelighterportionwillfloat,thusstratifyingthefeedmaterialsaccordingtotheirdensity.Inordertoobtainefficientdryseparationinair-densemediumfluidizedbed,stablefluidizationwithwelldispersedmicro-bubblesmustbeachievedtoensurelowviscosityandhighfluidity.Thepurebuoyancyofbeneficiationmaterialsplaysamainroleinfluidizedbed,andthedisplaceddistributioneffectshouldberestrained.Thedisplaceddistributioneffectsincludeviscositydisplaceddistributioneffectandmovementdisplaceddistributioneffect.Theformeriscausedbyviscosityofthefluidizedbed.Itdecreaseswithincreasingairflowvelocity.Movementdisplaceddistributioneffectwillbelargewhenairflowrateistoolowortoohigh.Ifmediumparticlesizedistributionandairflowarewellcontrolled,bothdisplaceddistributioneffectscouldbecontrolledeffectively.Abeneficiationdisplaceddistributionmodelmaybeusedtooptimizebeneficiationoffeedstockwithawideparticlesizedistributionandmultiplecomponentsinthefluidizedbed.Therheologicalcharacteristicsoffluidizedbedswerestudiedusingthefallingspheremethod.ExperimentalresultsindicatedthatthefluidizedbedbehavesasaBinghamfluid.Theplasticviscosityandyieldstresscanbe

简介：Abstract:Theoxidescalestructureof443NThot-rolledstripswasanalyzed.Thepicklingof443NTstainlesssteelwassimulatedviathe6σexperimentaldesign.Theresultsindicatethatparabolicrelationsexistbetweenthepicklingscoresandsomeofthepicklinginfluencingfactors,suchasthenitricaciddensity,thehydrofluoricaciddensityandthepicklingtemperature.Effectivepicklingof443NTcanbeachievedbycontrollingthepicklingprocessingparameterswiththeHNO_3densityrangingfrom80g/Lto180g/L,theHFdensityfrom20g/Lto40g/Landthepicklingtemperaturefrom45℃to60℃.