鄂尔多斯盆地油_气_煤成藏机理及分布规律_丛琳(6)

ResearchontheBPNeuralNetworkModelofGroundwaterQualityEvaluation

ZHENZhen,HESh-ihua,SHIChong-x,iGAOFe,iYUXing-kui

(FacultyofElectricPowerEngineering,KunmingUniversityofScienceandTechnology,Kunming650051,P.R.China)

[Abstract] Byusingartificialneuralnetworktheoryandmethodofgroundwaterqualityevaluation,theBPneuralnetworkmodelisestablished,accordingtothestandardofgroundwaterquality(GB/T14848 1993) ThroughtrainingthemodelforKunmingbasinmeasured12porewaterofgroundwaterqualityevaluation,andthemethodofAnalyticHirrarchyProcessevaluationresultswerecompared.ItisillustratedthatthismethodofBPneuralnetworksingroundwaterqualityevaluationisfeasible,whichhasexcellenceasrapidspeedandhighprecision,anditcoulde-valuatetheinstanceofgroundwaterquality.

[Keywords] BPneuralnetworkmodel groundwaterqualityevaluation Kunmingbasin

(上接第7127页)

AccumulationMechanismandDistributingRegulationofPetroleum,NaturalGas,CoalinOrdosBasin

CONGLin,LIWen-long

(GeoscienceCollegeofNortheastPetroleumUniversity,Daqing163318,P.R.China)

[Abstract] Ordosbasinisprolificinpetroleum,naturalgas,andcoalresources,andisanimportantenergybaseinourcountry.ThepetroleumdistributesinJurassictobesubjectedbytheerodingrivervalleyandTriassictobesubjectedbydepositionalsystemofdelta.ThenaturalgasdistributesinUpperPaleozoictobecontrolledbythedeltadepositionalsystemandLowerPaleozoictobecontrolledbythefossilweatheredcrusts.ThecoaldistributeinPermo-Carboniferous,TriassicandJurassic,whichhasbeencontrolledbytheturningstageoftectonismandpalae-okarsts.Thedistributionofoi,lgasandcoalspresenttheregulationinthebasin,butthestylesthatthedissimilar-itystructureunittoplaceshavethebiggerdifference.Inordertoreducetheexplorationcos,tthepetroleum,naturalgasandcoalsshouldcarryoncomprehensiveexploration.[Keywords] petroleum naturalgas coal tingregulation

Ordosbasin

accumulationmechanism distribu-