共查询到20条相似文献,搜索用时 468 毫秒
1.
Liu Qingsheng Department of Geophysics China University of Geosciences Wuhan The State Key Laboratory of Oil/Gas Reservoir Geology Exploitation of China Institute of Chengdu Technology Chengdu Wu Qifan Li Haixia Department o 《中国地质大学学报(英文版)》2001,12(2)
INTRODUCTIONThepresenceofmagneticanomaliesoveroilandgasfieldshasbeenknownforseveraldecades,butitisonlyinrecentyearsthatthephenomenonhasbeencriticallyinvestigated .Themag neticcharacteristicsofsoilandsedimentarecloselyrelatedtosomegeochemicalprocesses,s… 相似文献
2.
Association Rule Discovery and Its Applications 总被引:1,自引:0,他引:1
Cai Zhihua Wu XincaiFaculty of Information Engineering China University of Geosciences Wuhan 《中国地质大学学报(英文版)》2001,12(3)
INTRODUCTIONDataminingorknowledgediscoveryindatabase (KDD)hasinrecentyearsattractedalotofinterestinthedatabasecommunity .Theinterestismotivatedbythelargeamountofcomputerizeddatathatmanyorganizationsnowhavetheirbusi ness .Forinstance,supermarketsstoreelec… 相似文献
3.
Helmcke DGZG University of Goettingen D Goettingen GermanyIngavat Helmcke Rc/o GZG University of Goettingen D Goettingen GermanyFeng QinglaiFaculty of Earth Sciences China University of Geosciences Wuhan Wagner B Heppe KGZG 《中国地质大学学报(英文版)》2001,12(3)
INTRODUCTIONTheSimaoregion (SWYunnan ,China) ,situatedbe tweentheAilaoshanbeltintheeastandtheLancangjiangzoneinthewest (Fig .1) ,isakeyareatochronologicallyconstrainlatePaleozoiccompressionaldeformationsandthusofprimein terestwhendiscussingtheplate tectonichi… 相似文献
4.
Ibrahim A A Fadoul A M Musa T A Yao AiguoEngineering Faculty China University of Geosciences Wuhan 《中国地质大学学报(英文版)》2001,12(3)
INTRODUCTIONDrillingoptimizationisthelogicalprocessofanalyzingef fectsandinteractionsofdrillingvariablesthroughmathematicalmodelingtoachievemaximumdrillingefficiency .Thereductionofcoststhroughtheuseofoptimumtechniquesdoesnotstemfromfasterpenetrationr… 相似文献
5.
Mushtak Talib Jabbar Faculty of Earth Resources China University of Geosciences Wuhan 《中国地质大学学报(英文版)》2001,12(2)
INTRODUCTIONLargeareasofaridandsemiaridregionsoftheworldareaf fectedbywinderosion .Approximately 2 8.4%ofthisareaareaffectedbysevereandveryseverewinderosion (Katesetal.,1977) .InIraq ,thearidandsemiaridregionsrepresentnearly 75%ofthetotalland .5 0 %ofthislandissubjec… 相似文献
6.
Zhao Wenyu Center of Material Research Analysis Wuhan University of Technology Wuhan Liu Rong Wang QinyanFaculty of Earth Sciences China University of Geosciences Wuhan Peng Changqi Zhang QingjieCenter of Material Research Anal 《中国地质大学学报(英文版)》2001,12(3)
INTRODUCTIONItisanacknowledgedfactthataragonite,ahigh pressurepolymorphofCaCO3 ,occurswidelyasanindexmineralofhigh pressureandlow temperaturemetamorphism (glaucophaneschistfacies)withinthegeodynamiccontextofsubduction obductionandcontinentalcollision (Liou… 相似文献
7.
Wang Mingyu The University of Arizona Tucson Arizona USA Department of Water Resources Environmental Engineering China University of Geosciences Beijing Chen Jinsong Wan Li Department of Water Resources Environmental Engineering 《中国地质大学学报(英文版)》2001,12(3)
INTRODUCTIONGroundwaterorfluidflowmodelinginfracturedrocksisacomplicatedtheoreticalandappliedtopic.Boththeoreticallyandoperationally ,itisimportantinmanyfieldssuchasgeologicalandhydrogeologicalengineering ,environmentalengineeringandpetroleumengineerin… 相似文献
8.
Hou Jianjun Bai Taixu Liang Haihua Han Mukang Department of Geology Peking University Beijing Ollier C. D. Center for Resource Environmental Studies Australia National University Canberra ACT Australia 《中国地质大学学报(英文版)》1998,9(3)
INTRODUCTIONTheearthquakeactivityofafaultisthoughttobecon-strainedbythefaultcharacteristicsandtectonicstressfield(DengandZhan... 相似文献
9.
Wang Jianfeng 《中国地质大学学报(英文版)》1998,9(2):2
INTRODUCTIONDespitethedevelopmentofelastic-plastic-viscousnumeri-calmethodfortheanalysisofslopes,traditionaltechniquesbasedon... 相似文献
10.
Zhang Hongfei Zhang Benren Zhong Zengqiu Gao Shan Hu Shenghong Faculty of Earth Sciences China University of Geosciences Wuhan 《中国地质大学学报(英文版)》2000,11(4)
INTRODUCTIONTheQinling Tongbai DabieorogenicbeltisacollisionalorogenicbeltbetweentheSino KoreanandYangtzecratons.Ultrahighpressure (UHP)andhighpressure (HP)metamor phicrockssuchascoesite bearingeclogitesarewidelydistribut edintheeasternendoftheorogenicbelt … 相似文献
11.
INTRODUCTIONThequantitativereconstructionofpaleoclimatefactorsisthefocusofstudyonenvironmentinthepast ,andanef fectivetoolforthequantitativeresearchintothepaleocli mateisthetransformationofspore pollendata .ThemainperiodthusinvolvedwastheQuaternaryinste… 相似文献
12.
New Evidence from Alashan Area of West Nei Monggol to Reveal Enigma of Dinosaur Extinction 总被引:1,自引:0,他引:1
Wang Hongzhi School of Life Hubei University Wuhan Wang Xueyin Army No. of People’s Republic of China Yinchuan Li Rendong Institute of Geodesy Geophysics Chinese Academy of Sciences Wuhan 《中国地质大学学报(英文版)》2001,12(2)
ANENIGMA :EXTINCTIONOFDINOSAURThestratarecordthehistoryoftheearth .Everyscalecatas trophiceventallkeptsometraceinthestratum .Manyenigmascanberevealedthroughthecharactersofstrataandthefossilsinthestrata .TheextinctionofdinosaurisoneenigmahappenedintheCret… 相似文献
13.
Xiong Xiong Institute of Geodesy Geophysics Chinese Academy of Sciences Wuhan Institute of Geology Geophysics Chinese Academy of Sciences Beijing Hsu Houtze Institute of Geodesy Geophysics Chinese Academy of Sciences 《中国地质大学学报(英文版)》2001,12(2)
INTRODUCTIONThetemperaturestructureoftheearthinteriorhasapro foundscientificsignificanceforthestudyonthedynamicevolutionprocessoftheearth .Ingeneral,thecrustalandlithospherictem peraturefieldisdeterminedbytheequationofthermalconductionwiththesurfacehea… 相似文献
14.
Fractal Correction of Well Logging Curves 总被引:6,自引:0,他引:6
INTRODUCTIONBecausewellloggingmeasurementsgiveanaverageresultsnearbyconcurrentdepthpointsoftheprobesasshowninFig .1a ,wellloggingcurvedoesnotsupplytherealgeophysicalpropertiesatconcurrentdepthbutadisturbedresultofadjacentlayersandboreholeenvironment .Ho… 相似文献
15.
Yu Hongming Hu Yanxin Engineering Faculty China University of Geosciences Wuhan 《中国地质大学学报(英文版)》2001,12(2)
INTRODUCTIONTheYujiapengtunnel,animportantpartofJuguiroadinZiguioftheThreeGorges,locatedonthesouthernbeachoftheYangtzeRiver,isveryimportanttotheThreeGorgesproject,totheeconomicdevelopmentofthisareaandfinallytothemigrationproject.Thistunnel,about 2kmlong ,… 相似文献
16.
Tian Kaiming Wan Li Department of Water Resources Environmental Science China University of Geosciences Beijing 《中国地质大学学报(英文版)》2000,11(4)
INTRODUCTIONThetheoreticalcalculationsofwatermigration ,whetherinanindividualfractureorinafissurenetwork ,haveallbeenbasedontheequationforviscousflowbetweenparallelplates.WilsonandWither spoon (1976 )firstaccomplishedahydraulicsimulationoffracturewatercross… 相似文献
17.
Chen Zongyu Institute of Hydrogeology Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang College of Earth Sciences Jilin University Changchun Zhang Guanghui Ni Zhenlong Qi Jixiang Nan Yunju Institute of Hy 《中国地质大学学报(英文版)》2001,12(3)
INTRODUCTIONManystudiesofglobalchangesshowthatthehydrologicalcycleofacontinentalscalecanberelatedtoclimaticchanges(Andersonetal.,2 0 0 1;KarenandDara,2 0 0 1;MichaelandMichael,1999;Hugoetal.,1996 ;Larryetal.,1996 ) .Cur rentdistributionpatternsofdeuteriumandoxygen 18concen … 相似文献
18.
INTRODUCTIONANDBRIEFGEOLOGICALDESCRIP┐TIONSTheUpperOrdovicianmarinevolcanicrocksonthenorthmarginofQaidamhavebeenrepeatedlydis... 相似文献
19.
INTRODUCTIONOneofthemostimportanttopicsinearthquakegeotech-nicalengineeringistheaseismaticdesignofearth-retainingstructures(H... 相似文献
20.
Zhang Jun Faculty of Earth Resources China University of Geosciences Wuhan 《中国地质大学学报(英文版)》2001,12(2)
INTRODUCTIONAmodelmethod ,createdinthescientificresearch ,isusedtorepresentanobject.Suchamodelismodifiedandimprovedinor dertoapproacharealresearchobject.Thiskindofmodel,widelyandeffectivelyusedinthepresentresearchintoacomplexsystem ,mayhelpustodescribeand… 相似文献