简介：Anin-depthanalysisofpropagationcharacteristicsofelasto-plasticcombinedstresswavesincircularthin-walledtubeshasbeenmade.Inobtainingthesimple-wavesolution,however,mostresearcheshaveignoredtheinfluenceofthecircumferentialstressrelatedtotheradialinertialeffectinthetubes.Inthispapertheincrementalelasto-plasticconstitutiverelationswhichareconvenientfordynamicnumericalanalysisareadopted,andthefinite-differencemethodisusedtostudytheevolutionandpropagationofelasto-plasticcombinedstresswavesinathin-walledtubewiththeradialinertialeffectofthetubeconsidered.Thecalculationresultsarecomparedwiththoseobtainedwhentheradialinertialeffectisnotconsidered.Thecalculationresultsshowthattheradialinertialeffectofatubehasafairlygreatinfluenceonthepropagationofelasto-plasticcombinedstresswaves.

简介：Industrialgrademulti-walledcarbonnanotubes(IG-MWCNTs)arealow-costsubstituteforcommerciallypurifiedmulti-walledcarbonnanotubes(P-MWCNTs).Inthiswork,IG-MWCNTswerefunctionalizedwithtetraethylenepentamine(TEPA)forCO2capture.TheTEPAimpregnatedIG-MWCNTswerecharacterizedwithvariousexperimentalmethodsincludingN2adsorption/desorptionisotherms,elementalanalysis,X-raydiffraction,Fouriertransforminfraredspectroscopyandthermogravimetricanalysis.BoththeadsorptionisothermsofIGMWCNTs-nandtheisostericheatsofdifferentadsorptioncapacitieswereobtainedfromexperiments.TEPAimpregnatedIG-MWCNTswerealsoshowntohavehighCO2adsorptioncapacitycomparabletothatofTEPAimpregnatedP-MWCNTs.TheadsorptioncapacityofIG-MWCNTsbasedadsorbentswasintherangeof2.145to3.088mmol/g,dependingonadsorptiontemperatures.Havingtheadvantagesoflow-costandhighadsorptioncapacity,TEPAimpregnatedIG-MWCNTsseemtobeapromisingadsorbentforCO2capturefromfluegas.

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简介：Themechanismsfortheregulationofsynapticdopamine(DA)includeitsreleasefrompresynapticvesicles,itsinteractionwithpost-synapticandpre-synapticDAreceptors,thereuptakeofDA,viadopaminetransporter(DAT),thediffusionofDAanditsmetabolismbymono-amineoxidase(MAO)andcatechol-O-methyltransferase(COMT).DAcontrolscomplexand

简介：InFebruary2009theconstructionof1.4Mt/aintegratedcatalyticreforming/disproportionationunitwasofficiallycommenced,whichhassymbolizedadecisivestepofLiaoyangPetrochemicalCompany(LPC)towardsthegoal

简介：Thecut-offnegativepressuremethodisoneofeffectiveapproachestosolvetheseepageflowwithfreesurface.Accordingtothecharacteristicsofthismethod,however,ithasbeenfoundoutthatthedeficiencyofthealgorithmsistoeasilycauseinaccuratesimulationinthevicinityoffreesurfaceowingtothepenaltyfunctionwithonlyonecontrollingpenaltyparameter.Therefore,animprovedcut-offpressuremethodwaspresentedbyconstructingpenaltyfunctionwithtwocontrollingpenaltyparameters.Theimprovedalgorithmswereillustratedtobeabletoimprovethesimulationaccuracyandraisetheconvergencespeedthroughconsideringtheeffectsofthepartiallysaturatedorunsaturatedelementsmorereasonablyandcalculatingthenodalexternalforcesmoreaccurately.Finally,theimprovedcut-offnegativepressuremethodwasappliedtothesimulationofunsteadyseepageflowwithfreesurface,andthecorrespondingprogramcodesweredevelopedwithvalidationofsomecases.

简介：Intense-laser-inducedabove-thresholdionizationofaboundelectronintocontinuumstateswithlowenergyisinvestigatedinthecontextofthestrong-fieldapproximationthatallowsforoneactofrescatteringoftherevisitingelectron.Thequantumorbitsforforwardandbackwardscatteringareevaluatedandgeneralizedtoarbitraryscatteringangles.Thevelocitymapoftheliberatedelectronexhibitsthewell-knownlow-energystructureaswellasotherfeaturesoffthepolarizationaxis.

简介：二根比色的探针基于为Hg2+的察觉的oxazine-thione1a和1b被设计并且综合。关于在荧光和一种颜色的70褶层改进的探查1a展览在acetonitrile/wate溶剂在Hg2+的增加以后变化。1a对在另外的金属离子上的Hg2+也高度选择。而且，DFT/TDDFT计算被拿向在离开上解释排放反应。

简介：在我们的实验，一个单个铯原子在large-magnetic-gradient准备了磁电机光的陷井(警句)能高效地被变成1064-nmfar-off-resonance显微镜的光偶极子陷井(堡垒)。在二个陷井之间的单个原子的有效转移被用来在堡垒决定套住的一生和单个原子的有效温度。典型套住一生被减少从6.9s改进了到130s背景压力从加的1“>3F4作为规模，5d6p的漏率3F4-5d23F被用来评估转变可能性。有不同持续时间的706nm激光脉搏被用于钡为6s5d的原子横梁3D3-5d23F4光抽，并且在6s5d的留下的百分比3D3被测量。在expone以后？？

简介：SeasurfacewindstressvariabilitiesnearandofftheeastcoastofKorea,areexaminedusing7kindsofwinddatasetsfrommeasurementsat2coastal(land)stationsand2oceanbuoys,satellitescatterometer(QuikSCAT),andglobalreanalyzedproducts(ECMWF,NOGAPS,andNCEP/NCAR).Temporalvariabilitiesareanalyzedat3frequencybands;synoptic(2～20d),intra-seasonal(20～90d),andseasonal(>90d).Synopticandintra-seasonalvariationsarepredominantnearandofftheDonghaeCityduetothepassageofthemesoscaleweathersystem.SeasonalvariationiscausedbysoutheastwardwindstressduringAsianwintermonsoon.Theseasurfacewindstressfromreanalyzeddatasets,QuikSCATandKMA-Bmeasurementsoffthecoastshowgoodagreementinthemagnitudeanddirection,whicharestronglyalignedwiththealongshoredirection.Attheland-basedsites,windstressesaremuchweakerbyfactorsof3～10duetothemountainouslandmassontheeastpartsofKoreaPeninsula.ThefirstEOFmodes(67%～70%)ofwindstressesfromreanalyzedandQuikSCATdatahavesimilarstructuresofthestrongsoutheastwardwindstressinwinteralongthecoastbutshowdifferentcurlstructuresatscaleslessthan200knduetotheorographiceffects.ThesecondEOFmodes(23%～25%)showsouthwestwardwindstressineverySeptemberalongtheeastcoastoftheNorthKorea

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简介：二层的污染物质移流散开建模的A被造在Maidao附近在海区域调查污染物质运输离开Qingdao海岸。一种伴随数据吸收技术被使用估计模型参数的最佳的价值。污染物质的起始的地上的试验性的结果显示化学需氧量(货到付款)集中的分发对水平旋涡扩散性敏感。水平旋涡扩散性的适当价值是必要的以便精确描绘起始的领域的影响，；它对污染物质的移流散开过程的模拟也必要。由模型参数的倒置；起始的货到付款集中的优化，模拟结果显著地被改进。费用函数被归结为它的第一步值中的40%个。在模型产量之间的平均不合身的衣服；在从0.46～0.25mgL的上面的层减少的观察[1]，；那从0.22～0.14mgL在底层减少[1]。

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简介：Objective:Toinvestigatetheneointimaformationandtheexpressionofmonocytechemoattractantprotein-1(MCP-1)andtumornecrosisfactor-α(TNF-α)incuff-inducedvascularinjuryinmousemodel,andtoexaminetheeffectofangiotensinIItype1receptor(AT1)blocker,olmesartan,onMCP-1andTNF-αexpressionandconsequentlyvascularremodeling.Methods:Vascularinjurywasinducedbypolyethylenecuff-placementaroundthemousefemoralartery.SomemiceweretreatedwithAT1receptorblocker,olmesartan,atthedoseof3mg*kg-1*day-1withanosmoticminipump.Neointimaformationandtheproliferationofvascularsmoothmusclecells(VSMCs)weremeasuredbymorphometricanalysisandbromodeoxyuridine(BrdU)incorporation.MCP-1andTNF-αexpressionwasdetectedbyWesternblotandimmunohistochemicalstaining.Results:Weobservedneointimaformation14daysaftercuffplacementaswellasVSMCsproliferationinthemediaandneointima.CuffplacementalsoinducedMCP-1andTNF-αexpressioninthemediaandneointimathattheVSMCsspecificallyexisted.Treatmentofmicewitholmesartanatadoseof3mg*kg-1*day-1,whichdidnotinfluencesystolicbloodpressure,significantlydecreasedneointimaformationandtheproliferationofVSMCs.OlmesartanalsoinhibitedMCP-1andTNF-αexpressionintheinjuredarteries.Conclusions:OurresultsdemonstratethatblockadeofAT1receptorinhibitsMCP-1andTNF-αexpressionandtherebyimprovesvascularremodeling.

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简介：ThecharityeventkickedoffinBeijingonJune25thandwillbeheldfromJuly7thto15th.Morethan400volunteerexpertsfromBeijing’smajormedicalfacilitiesareexpectedtogotoNgapaTibetan-QiangAutonomousPrefecturetoofferfreemedicalandmobileclinics,screeningsandtreatmentsforchildrenwithcongenitalheartdisease,aswellastoestablishlong-termmechanisms.Redi,vicechairmanofthe10thStandingCommitteeofChina’sNationalPeople’sCongresspartici-

简介：Thewide-shallowcompositebucketfoundation(WSCBF)isanewtypeofoffshorewindpowerfoundationthatcanbebuiltonlandandrapidlyinstalledoffshore,therebyeffectivelyreducingtheconstructiontimeandcostsofoffshorewindpowerfoundation.Inthisstudy,thehorizontalbearingcapacityiscalculatedbyfiniteelementsimulationandcomparedwithtestresultstoverifythevalidityofresults.Inthisprocess,theverticalloadandbendingloadarerespectivelycalculatedbythefiniteelementsimulation.Undertheverticalloadeffect,thebucketfoundationandthesoilinsideareregardedasawhole,andthecorrespondingbucklingfailuremodeisobtained.Theultimateverticalbearingcapacityiscalculatedusingempiricalandtheoreticalformulas;thetheoreticalformulaisalsorevisedbyfiniteelementresults.Underbendingload,therotationalcenterofthecompositebucketfoundation(inaregionclosetothebucketbottom)graduallymovesfromtheleftofthecentralaxis(reversetoloadingdirection)tothenearbycompartmentboardsalongtheloadingdirection.TheH–Menvelopelineshowsalinearrelationship,anditisdeterminedthattheverticalandbendingultimatebearingcapacitiescanbeimprovedbyanappropriateverticalload.

简介：SurfacesedimentsamplestakenfromtheEastChinaSeaofftheChangjiangestuaryareusedasrawmaterialsforphosphorusreleasingexperiment.Itisfoundthatafterbeingthoroughlymixedwithseawaterforabout10minutes,phosphorusreleasedfromthesedimentsreachesitsmaximumvalue.AdsorptionkineticscanbefittedwithbothElovichequationandtwo-constantrateequation.Thereleasingamountiscloselyrelatedtothecompositionofthesediments.Phosphorusreleasefromsiltyandmuddysedimentishigherthanfromthatdominatedbysandycomposition.Forthedesorptionreaction,iron-phosphorus(Fe-P)isthemostactiveone,withareleasingratiohigherthanotherphosphorusforms,followedbyabsorbed-phosphorus(Ad-P)andorganicboundphosphorus(OP).Allofthemcanbereferredtoasbio-availablephosphorus.Theresultsdemonstratethatphosphorusinsedimentscanbereleasedintoseawaterundersuitablehydrodynamicconditions,andhaveagreatimpactonthenutritionstateandprimaryproductivityofmarinebiosphere.

简介：水可分散的银nanoparticles(AgNps)用thiacalix被准备[4]arenetetrahydrazide(TCTH)作为一个减少并且稳定的代理人。TCTH-AgNps被表面电浆子回声(SPR)描绘，传播电子显微镜学(TEM)和精力散X光检查(EDX)。相对一致20?nmTCTH-AgNps的球形的粒子高效地在5-9并且从10-40的一个pH范围上被形成??甠瑬慲潳楮慣楴湯???€敆？？