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1.
目的探讨PH值对Fe-EDTA造影效果的影响。方法;配制PH梯度50-80的0.5和0.1mmol/L的Fe-EDTA液,观察SE序列「TR(ms)/TE(ms)200/15,2500/80」,信号变化,结果:Fe-EDTA的MR信号随PH值提高而减弱。  相似文献   

2.
PREDICTINGRESERVOIRSEDIMENTATIONWITH2DMODELFLOODSIMW.BECHTELER1andM.NUJIC2ABSTRACTPredictionofsedimentationisveryimportantbef...  相似文献   

3.
MATHEMATICALMODELOFOVERLANDFLOWANDMECHANISMOFSOILCONSERVATIONFORFORESTEDSTEEPHILLSLOPE(1)AnalyticalSolutiontotheOverlandFlowo...  相似文献   

4.
ONTHEPREDICTIONOFTRANSIENTBEDLEVELSDUETOAGGRADATIONANDDEGRADATIONINCLUDINGARMOURINGA.B.PALANIAPPAN1,R.J.GARDE2andP.N.GODBOLE3...  相似文献   

5.
PROBABLEMAXIMUMFLOODFORDAMSAFETYASSESSMENTC.F.LEE(Formerly,ManagerofGeotechnicalandHydraulicEngineeringDepartment;ManagerofCi...  相似文献   

6.
NUMERICALSIMULATIONOFINUNDATIONINSHENZHENCITYBYFINTEDIFFERENCEMODELMIXEDWITH1DAND2DUNSTEADYFLOW¥CHENGXiaotao;andQIUJinwei(Sen...  相似文献   

7.
SOIL LOSS INFLUENCED BY SLOPE LENGTH IN THE HILLY LOESS REGION, CHINA   总被引:1,自引:0,他引:1  
SOILLOSSINFLUENCEDBYSLOPELENGTHINTHEHILLYLOESSREGION,CHINACAIQiangguo1andShiU-HungLUK2I.INTRODUCTIONSlopelengthhaslongbeenrec...  相似文献   

8.
MODELANDIN-SITUMEASUREMENTSOFBED-LOADTRANSPORTPHENOMENAINNAVIGABLERIVERS¥StephanTheobaldandFranzNestmann(Dipl.-Ing.StephanThe...  相似文献   

9.
ENVIRONMENTALPERSPECTIVE:BENEFICIALANDADVERSEEFFECTSOFTHREEGORGESPROZECTFANGZiyun1.INTRODUCTIONTheThreeGorgesProject(TGP)isav...  相似文献   

10.
COARSE-PARTICLETRANSPORTINAGRAVEL-BEDRIVERWilliamW.EMMETT1,RobertL.BURROWS2,andEdwardF.CHACHO,Jr3.(1U.S.GeologicalSurvey,Wate...  相似文献   

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