poundtheeentialityandeffectwhileusingrobustproceingtosetupthecomputingmodels.takingthemodelresearchonthedailyoutputandworkefficiencyoftheworkingfaceofcoalminingasexample,alsotoanalyzethemodelestablishingmethodsandnoticeableproblems.forestablishingrelatiohipmodelsbetweencoalresourceconditioandminingcost,thethesispresentsthemodel-establishingmethodscoideringthetemporal-atiallydynamicalcharactersofresourcesconditionandofminingtargets.
4）todiscutheprinciples,methodsandmodelsforthedeterminationofcoalminingfeasibilityineconomy,workablethickneandreserves,andtoputforwardtherelatiobetweeneconomicallyworkablethickneandotherfactorssuchascost,price,ecificproductivity,workefficiency,andgeologicalconditioninsometypicalmines.
5）tosetforththerecoverystatusofcoalmininginchinabymeaofindividualdataofrecoverycoefficient,alsodiscuthedeficiencyandimprovingmethodsofsuchconceptsandcalculatingformulaasworkablereservesanddesignworkablereserves,mine-widepermanentpillaramortize,extractionreserves,facerecoverycoefficientetc.toputforwardamortizeways,simpleformulas,propertiesandalyingco
nditiowhencoalreserveschange.onthebasisoferrortheory,geostatisticsandfractalgeometry,thethesiscompletestheerrorestimation,samplingandcalculationmethodsofrecoveryreservesandrecoverycoefficientwhentop-coalcavingminingmethodisperformed.inaddition,thethesisdiscueshowtodeterminerationalrecoverycoefficientandevaluaterationalexploitationandutilizationofcoalresources.
6）inteivelyandsystematicallytoanalyzethecontr
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