简介:theAlternatingSegmentCrank-Nicolsonschemeforone-dimensionaldiffusionequationhasbeendevelopedin[1],andtheAlternatingBlockCrank-Nicolsonmethodfortwo-dimensionalproblemin[2].Themethodshavetheadvantagesofparallelcomputing,stabilityandgoodaccuracy.Inthispaperforthetwo-dimensionaldiffusionequation,thenetregionisdividedintobands,aspecialkindofblock.ThismethodiscalledthealternatingBandCrank-Nicolsonmethod.
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简介:Thestudyonthedecaypropertiesofnewisotopeslocatedfarfromthebetastabilitylineiscurrentthefocusofnuclearphysics.ForisotopesintheregionZ>82andN<126,-emissionprevailsasradioactivedecaymodeand-spectroscopyisthemostimportanttooltoobtaininformationonthenuclearstructure.IntheheavynucleiregionwithN=124and126isotones,anintruderstate(h9=2.f7=2)8+basedontheattractiveinteractionoff7=2protonsandf5=2neutronshasbeensignificantlyobserved,whichincreasesthebindingenergyofthisconfigurationwithincreasingprotonnumber.
简介:<正>WesetoffafterlunchonaFridayinthemiddleofJulythisyear.We,that’sthreepilots,oneguest,myHRmanager,andHuDaling,arepresentativeoftheStatePhysicalCultureAdministration.WehadalatelunchattheCapitalClubinBeijing,afterwhichwesetoutonourjourneytoDatong.Wewereinhighspirits,travellinginaBuickvan,allofustogether.AnoldChinesefriendofours,George,whousedtobeadriver
简介:There'sanewbunchofsightseersintown-andthey'rereadytospend.TOURISTtrafficatChina'sbustlingairportsisbecomingincreasinglytwo-way.Theusualgroupsofbespectacledpensionersandred-eyedbackpackersthrongtheinboundterminals,catapultingChinainto5thplaceintheinternationalleagueofmostpopulardestinations.Crowdingthedeparturelounges,meanwhile,aregrowinglegionsofupwardlymobileChineseholidaymakers,headedforRome'sColiseum,SydneyHarbor,oreventheSafarisofKenya.
简介:重点词汇1.cheerv.欢呼;喝彩cheerup(使)变得更高兴;振奋起来Iwrotethatsongjusttocheermyselfup.我写那首歌是给我自己打气的。拓展cheern.欢呼声;喝彩声2.volunteerv.义务做;自愿做n.志愿者volunteertodosth自愿做某事Jackvolunteeredtocarrywater.杰克自愿去运水。Ineedonevolunteer.我需要一名志愿者。3.noticen.通知;通告;注意v.注意到;意识到
简介:调查在在hypoxic下面的gliomaangiogenesis的受体(u-PA/u-PAR)系统调节的尿激类型plasminogenactivator/urokinase-typeplasminogen的角色的目的,我们在导致的组织缺氧上学习了调节glioma的媒介的效果在人的象endothelial一样ECV304房间增长,apoptosis,在vitro的绳索形成和u-PA/u-PAR表示的变化。方法MTT试金被用来在房间增长检验变化。房间apoptosis被染色的Hoechst33258分析。Matrigel像绳索的形成试金被用来在vitro评估ECV304房间的angiogenesis能力。u-PA/u-PARmRNA的表情被量的即时RT-PCR检测。结果组织缺氧禁止了ECV304房间增长并且导致了房间apoptosis。当不normoxic调节了部分堵住的U251glioma房间的媒介(N厘米)时,Hypoxic调节了媒介(H厘米)ECV304房间增长和apoptosis上的组织缺氧的效果。U251glioma房间的H厘米也支持了在matrigel上播种的ECV304房间的绳索形成。当u-PA或u同等monoclonal抗体被增加进ECV304房间culturing媒介时,绳索形成能力部分被禁止。U251glioma房间的H厘米在ECV304房间导致了uPA和uPAR表示。这些建议那个u-PA/u-PAR系统的结论被hypoxicmicroenviroment涉及gliomaangiogenesistrigged。