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192 个结果
  • 简介:Thecentral-axiszoncformedinMesozoic-CeozoiceraandoccurrcdalongLanping-Simaodepres-sion,Yunnan,isaspccialtcctonicunit’ItisnamedfortheLanping-Pucrtectono-thcrmo-metamorphicupwarpingzone.Itsmaincharacteristicsarc:1.Therockhasbcenmetamorphosedandtherccenthotspringsoccura1ongthezone,whichisahigh-tempcrat

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  • 简介:TheRockyMountainFoothillsliealongtheeasternmarginoftheRockyMountainfold-thrustbelt.TheareahasbeenthefocusofextensiveresearchaimedatlocatingoilandgasfieldswiththepotentialtobeusedasCO_2storagetraps.Inthisstudy,weuseaseismiclinefromtheCanadianRockiestointerpretthegeologicstructuresalongacross-sectionparalleltothetectonictransportdirection.Wethencompareourresultswiththoseofpreviousstudies.ThesectionwasrestoredusingtheMOVEsoftware(manufacturedbyMidlandValleyExplorationLtd.).Theprimaryobjectivesofthisworkare:(1)toconductastratigraphicandstructuralinterpretationofa2Dseismicprofile;and(2)toconductacross-sectionalrestorationofthestructuresinordertovalidatetheseismicinterpretationintermsofCO_2storagecandidates.Additionaldatasourcesincludemapsofthesurfacegeology,whichshowthattheageofhorizonsdecreasefromwesttoeast,andstratigraphicandstructuralprofilesderivedfromwelllogs.Theresultsofourstructuralrestorationindicateadetachmentfaultbetweentheforelandandhinterland.ThisfaultisresponsibleforthecuttingandsubsequentupwardsandeastwardsmovementofastratumlocatedbetweenthebasementandtheLateDevonianformation.Largethrustfaultsareresponsibleforthedeformationofstrata(throughbothfoldingandfaulting)

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  • 简介:Thedepletionrateofphosphateinthesoil-rootinterfacezoneincreasedalongwithgrowthandphosphateuptskeofwheatormaize,whichindicatedthatthephosphatedistributioninsoilneartherootsurfaceagreedwellwiththephosphatemovementinrhizosphereandphosphateuptakebyplant,Therelativeaccumulationzoneofphosphatewithin0.5mmapartfromtherootsurfacedevelopedatthe15thdayorsoaftercultivatingwheatormaizesincetherootphosphatesecretionincreasedgraduallyinthisstage.Thephosphatedistributioninthesoil-rootinterfacezoneagainstthegrowingtime(t)andthedistancefromtherootplane(x)couldbedescribedbythenon-linearregressionequationwiththethirdpowersofxandt.

  • 标签: 土壤根-界面区 磷分布 磷迁移 动力学
  • 简介:器官的轻射出的设备的发光效率取决于在阳极在阴极和洞注射的电子的再结合概率。在organics壁炉层设备计算当前的密度和再结合率的分发的一个理论模型被介绍在器官的层在每个电极,费用运输和再结合考虑费用注射过程。计算结果显示有效单个层的设备由在二个电极和搬运人活动性调整障碍高度是可能的。降低障碍高度能改进电镀物品光(EL)效率显着地用一个欧姆触点仍然在tnany情况,和有效设备中是可能的注射低活动性搬运人,并且接触限制接触注射高活动性搬运人。总的来说,高EL效率需要考虑足够的再结合,足够注射的搬运人和井运输。

  • 标签: 有机电致发光装置 机动性 重组率 分布密度
  • 简介:以中文Windows3.1为系统运行环境,以WINGIS为基础,用MicrosoftVisualBasic40作为开发工具,建立了荒溪分类和危险区制图模型及其信息系统.该系统由文件管理子系统、属性数据管理子系统、图形数据管理子系统、应用模型子系统等构成.应用结果验证了系统模型的各项功能,表明系统设计合理,运行稳定、安全.

  • 标签: 荒溪分类 危险区制图 信息系统
  • 简介:1.ObjectivesTheMoheBasininHeilongjiang,ChinahasaNEEthrustnappebelt,whichwasassembledbytherootzone,middlethrustzoneandthrustfront,north-southandnorth-eastnormalfaultswiththreetectonicactivitiesoftheMiddleJurassicto.Eocene,theMiocene,andtheEarlytoMiddlePleistocene.Themiddlethrustzoneandthrustfronthasalargenumberoffolds,thrustfaults,fracturesandglutenites,whicharethemajorstructuresofgashydrateaccumulationintheMoheBasin.

  • 标签: New INDICATIONS GAS HYDRATE PERMAFROST ZONE
  • 简介:Wehaveobservedsomekindsofdefectsinunseededrapidzone-melting-recrystallized(RZMR)SifilmsformedwithaRF-inducedgraphitestripheatersystem,usingcross-sectionspecimenelectronmicroscope.Theobserveddefectsaresubgrainboundaries(SGB),dislocationsandmicrotwins.ThemostcommonlyobserveddefectsareSGBwhichformedasaresultofsomeorientationdifferencesbetweenadjacentgrainsduringtheirrapidself-nucleationgrowth.MixedtypeSGBwerefrequentlyobserved,althoughsomepuretiltortwistSGBexistedalsointheSifilms.Therotationangularcomponentaroundtheaxisparalleltoscanningdirectionismuchlargerthanthataroundotheraxes.SGBconsistprimarilyofarraysofdislocationandhavecrystallographicangulardeviationsofonedegreeorless.DuringSifilmcooling,dislocationsandmicrotwinswereformedduetonon-uniformthermalstress.ThecrystallographiccharactersofthedislocationsinSifilmsarethesameasthoseincommonbulkSisinglecrystals.TheirBurgersvectorsareb=a/2<110>.Somedis-locationsrunacrosstheSifilm,andtheamorphousSiO2layersonandunderneaththeSifilmcaneffectivelyblockthedislocationsandpreventthemfromenteringthelayers.MicrotwinswereobservedintheSifilmssometimes,thetwinningplanesbeing{111}.

  • 标签: SILICON on insulator(SOI) Zone-melt-recrystallization(ZMR) SILICON film
  • 简介:NanshuTownisafamousgraphitetownofLaixiCity.NanshuTownhas46graphiteenterpriseswithscattereddistribution,incompleteindustrychain,lowoutput,andlowvalue-added.Inordertoexerttheresourcesadvantage.NanshuTownhasplanedandbuilt

  • 标签: 石墨矿 莱西市 工业区 山东 资源优势 项目建设
  • 简介:Aplasticdeformationzonenearascrewdislocationistreatedasanequivalenttrans-formationinclusionbymeansoftheEshelbyinclusiontheory.Aclosed-formsolutionfordeter-miningtheinteractionbetweenascrewdislocationandaplasticallydeformedzoneofanarbitraryshapeisobtainedbyusingthesolutionbetweenadislocationandanequivalenttransformationinclusion.

  • 标签: 螺旋位错 塑性设计 动力应力学 物理学
  • 简介:Basedonthebasicideaofzonemodelingmethod,atwo-layerzonemodelisdevelopedandprogrammedtocalculatethefiregrowthandsmokespreadinamulti-roombuidingsubjectedtoafire.Therelatedpredictiveequations,numericalsimulationmethodandsub-modelsimplementedinthismodelareconciselydescribed.AsetofexperimentaldatafromCooper'sworkatNISTforatwo-roomcompartmentfirearechosenforcomparisonwiththemodelandprogram,andthenumericalresultsfundamentallyagreewellwiththeexperimentaldata,Then,anexampleofnumericalcalculationofatwo-stoyduildingfireispresented,andtherelevantoutputresultsaregivenandanalyzed.

  • 标签: 高楼 失火 区域-模型化方法 数字模拟
  • 简介:首都经济贸易大学/北京专业推荐:经济学、劳动与社会保障、统计学、人力资源管理学子说:首经贸的姑娘,是校园里最美丽的一道风景。课间在校园里随便挑个地方落座,都可以看到一拨又一拨的漂亮姑娘从你眼前飘过,让人目不暇接。在京内的各所高校里,首经贸妹子的穿衣品味绝对数一数二,因此给人的感觉既美丽又大方,不显土气。还有特别神奇的一点,首经贸的妹子,四年里大多会越变越美。

  • 标签: 经济贸易 ZONE 财经 社会保障 人力资源 经济学
  • 简介:Thepatternofthesubtletraps,inwhichoilandgasaccumulated,intheburied-hillfaultedzoneintheJiyangsagisverycomplicated,andveryhardtoprospect.Thepaperanalysesthemaindifficultiesinexploringthecomplicatedburied-hillfaultedzoneoftheareafromapointofgeology.Thetypicalpatternoftheburied-hillzoneintheJiyangsagisstudiedusingtheforwardmodeling.Target-orientlayoutdesignandfull3-Dseismictechnology,whichareusefulforoilandgasexplorationonthezone,areputforward.Takingtheexplorationforoilandgastrapsonthezoneasanexample,certaintechnologiesandtheeffectoftheirapplicationsaboutthedesignfortargetacquisition,acquisitiononawide-azimuth,pointsourcesandpointreceiversarediscussed.

  • 标签: 地震勘探 潜丘 油气聚集 地质调查
  • 简介:Threemajorthreatstooceansecurityandcoastalzonesustainability-globalwarming,thelossofoceanbiodiversity,andpollution-arecombiningtothreatentheecologicalintegrityofourmarineenvironmentandlifesupportsystems.Weputforwardageomatics-basedsystemsengineeringarchitecturetoidentifythelocationandextentofoilspills,therebyimprovingtheecologicalintegrityoftheworld'soceansandhelpingcontingencyplannerstodeterminerequiredassets,personnelandotherresources.Thisreal-time,event-basedandcosteffectiveemergencymanagementdecisionsupportsystemcanaidintheclassification,detection,andmonitoringofoilspillsinthemarineenvironment.ThedevelopedSynthetic-ApertureRadar(SAR)processingandcalibrationtechniquesefficientlymonitorenvironmentalchangesininaccessibleoceanregions,characterizeoilspillscenarios,andhelptoidentifyspillsources.ThesystemisusedtoimproveemergencymanagementintheGulfofMexico,withapplicationtooilspillsarisingfromHurricaneKatrina.

  • 标签: 海岸带管理 海洋安全 系统工程 管理决策支持系统 海洋生物多样性 生态完整性
  • 简介:BACKGROUND:Astrocytesreactsensitivelytocerebralischemia,causingreactiveproliferationandactivation,whichmaycontributetotheireffectinprotectingorinjuringneuronalregeneration.Whetheracupuncture,asatreatmentforcerebralischemia,regulatestheactivatedstateofastrocyteshasbecomeafocusofrecentinvestigations.OBJECTIVE:Toobservetheeffectsofelectroacupuncture(EA)onultrastructurechangesandreactiveproliferationofastrocytesinthemarginalzoneoffocalcerebralischemiainrats.DESIGN,TIMEANDSETTING:Randomized,controlledanimalstudy.ThisstudywasperformedattheExperimentalAnimalCenterofGuangzhouUniversityofTraditionalChineseMedicinebetweenDecember2007andJuly2008.MATERIALS:Atotalof90maleWistarratswererandomlydividedintoshamoperated,modelandEAgroups.Eachgroupwassubdividedinto1hour,1,3,7,and21dayspost-cerebralischemiagroups,withsixanimalsforeachtimepoint.Rabbitanti-ratglialfibrillaryacidicprotein(GFAP)andgoatanti-rabbitIgG/tetramethylrhodamineisothiocyanatewereprovidedbyBeijingBiosynthesisBiotechnology.TheG-6805electricacupunctureapparatuswasprovidedbyShanghaiHuayi.METHODS:Heat-coagulation-inducedocclusionofthemiddlecerebralarterywasperformedtoestablishamodeloffocalcerebralischemia,inthemodelandEAgroups.Middlecerebralarterieswereexposedwithoutocclusioninshamoperatedgroup.EAwasappliedimmediatelyaftersurgeryintheEAgroup,4/20Hz,2.0-3.0V,1-3mA,toBaihui(GV20)andDazhui(GV14),for30minutes.Thetreatmentwasperformedonceaday.Theshamoperatedandmodelgroupsdidnotreceiveacupuncture.MAINOUTCOMEMEASURES:Inthemarginalzoneoffocalcerebralischemiainratsatdifferenttimepointsafterintervention,theultrastructurechangesofastrocyteswereobservedbyusingtransmissionelectronicmicroscopy.GFAPexpressioninastrocyteswasalsomeasuredbylaserconfocalscanningmicroscopy.RESULTS:Cellswellingandrapidproliferationofastrocytes

  • 标签: 局灶性脑缺血模型 星形胶质细胞反应 缺血大鼠 边缘区 透射电子显微镜 胶质纤维酸性蛋白
  • 简介:水力的断裂是过去常从水库刺激uid生产的一种强大的技术。充分3-D水力的断裂进程的数字模拟对这种技术的effcient应用程序很重要,但是因为,也是大挑战强壮的非线性的联合在之间粘滞uid和破裂繁殖的ow。由利用一个连贯的地区方法模仿破裂过程,一个有限元素模型基于存在毛孔压力,连贯的有限元素被建立了在无限的有弹性的媒介调查塑造便士的水力的破裂的繁殖。水力的破裂行为上的连贯的材料参数和uid粘性的效果被调查了。在破裂过程被岩石破裂坚韧统治的限制案例的有限元素结果和分析答案之间的优秀同意表明连贯的地区的能力在为这个案例模仿水力的破裂生长的有限元素模型。

  • 标签: 有限元素 有限元模型 水力压裂 建模 骨折 水利
  • 简介:Crustalstructureandaccuratehypocenterde┐terminationalongtheLongmenshanfaultzoneZHUZHAO1)(赵珠)JUNFAN1)(范军)SI-HUAZHENG2)(郑斯华)AK...

  • 标签: LONGMENSHAN fault zone P WAVE S