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發表於:2018-10-18
Environmentaldisastersareprimarypollutionsourceinthecoalminearea.AutomationupgradingschemeanditsimplementationatShendongcoalminearea;WithYanzhongcoalmineareaasanexample,t...
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發表於:2017-04-10
Toguideandadministerqualificationcertificationofcoalminedirectors.Findingafossilinacoalmineisnobigdeal.InEssen,adepletedcoalminehasbeenconvertedintoamuseumandperforming-a...
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發表於:2023-12-27
1、Itdemonstratesthatitiseconomicallyandtechnicallyfeasibletoapplywasherycoaltolurgipressurizedgasifier.2、ThisarticlegivesabriefintroductionontheoperationofLurgipressuri...
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發表於:2023-12-27
1、ThepulverizedcoalinjectionintoblastfurnacebeganearlyinChina,whichplayedaleadingroleinthedevelopmentofcoalinjectiontechnology.2、Coalinjectionofblastfurnaceisanenergy-s...
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發表於:2022-04-18
overallthicknessofcoalbedBuildingcoalbedgeologicalmodelbySURFERFittingvarigramofcoalbedevaluationwithGEO-EASsoftwareTherelationshipbetweenthepermeabilityofcoalbedandprodu...
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發表於:2018-08-14
Regardingtheextremelythincoalbedcoalandthegasprominentpossibilityanalysis,informerlypracticedwasablank,thereforeintheproductionprocessknewandtookthedegreetobeinsufficient...
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發表於:2023-12-31
1、TherearethreecoalminesinXin'anCoalfield.TheShanxigroupirregular(2-1)coalseamhassoftroof,softcoalandsoftfloor.2、Thispaperputsforwardsupportplanthroughanalyzingstratab...
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發表於:2023-12-29
1、thicknessofcoalseam2、Thecoalandgasoutburstbecamemoreandmoredangerousalongwiththethicknessofcoalseamchangingandincreasing.3、thick-layerapttooxidationtypecharacterized...
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發表於:2018-05-06
gas-pulverizedcoalfiredboilerComparesthefeaturesofhouseholdheatingbygasfiredboilersandcoalfiredcentralheatinginapplicabilityandeconomics.Studyonflowfieldcharacteristicsof...
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發表於:2023-12-27
1、Analysisofreturnairwaycornerabnormalhydrogenconcentrationin#12612coalfaceinDaliutaCoalMineandcontrolmeasuresapplied2、Thewiderthecoalface,thesmallertheradianvalue,yiel...
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發表於:2017-06-04
Figuredthatway,theclimateeffectofmethanefromnaturalgaswouldquicklyoutpacetheclimateeffectofcarbondioxidefromburningcoal.Theburningcoalsstartedtoflameyellowandorange.Inman...
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發表於:2018-03-13
hardcoal;anthraciteanthracite;hardcoalFinallygreatdepthofburial,longtimeandhighertemperaturemaymetamorphosetheligniteintosoftcoalorbituminouscoalandinextremecases,tohardc...
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發表於:2016-12-14
Thenhiscoal-blackeyesbecamesly."Thisplacewashell,"saysTomLevycheerfullyashestandsoveranopenpitfilledwithancientcoal-blackslag.Theworld'snewestcarboncitadelrisesupbetwe...
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發表於:2024-01-13
1、Thechainguideframeofcoalcuttingmachineisproducedwithmetabainitedcaststeel.2、Tomakeshaftcoalcuttingplanningisamultinodaldecisionmakingcourseforit'sintricacyofinfluenc...
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發表於:2017-08-25
However,yearsofacoallogisticsconstraintsimpededtheeconomicdevelopmentofShanxicoalresources.Itisreported,inmuchofChina'selectricitycoallogisticscostsreachedelectricitycoa...
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發表於:2024-01-05
1、Theresultshowsthattheviscosityisgreatlyincreasedwhilethesolidcoalpowderdistributedintheinsideofslagandresultinpoorseparationofmoltenironandslag.2、Theresearchhasaveryi...
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發表於:2024-01-11
1、relatingtoorresemblinganthracitecoal.2、Thecombustioncharacteristicsofstonecoalaresimilartoanthracitecoalandworsethananthracite.3、Reaserchongasificationofanthraciteco...
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發表於:2021-12-09
Fenmeihuifromdrift-Chu,iron,powderedcoalinthecomprehensivedevelopmentandutilization.Shell′scoalgasificationprocessisadryprocessthatusesnitrogengastotransportpowderedcoal...
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發表於:2023-12-27
1、Explorationevaluationcoalseamgasisabaseofcoalseamgasexplorationanddeveloping.2、CoalseamcorrelationandcharactersofcoalseamineasterndepressionofLiaohebasin3、coalseamwa...
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發表於:2017-02-10
MeasurestoburnfaultycoalinprecalcinerkilnsystematthehighelevationareaBurningfaultycoalistriedoutinafixed-bedgasifier,tosolvetheproblemsofhighcoalpriceandproductioncost....
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發表於:2017-09-22
Minershewcoal.Theregionaboundsincoal.Therefore,thecoalhopperinthefirstsenttothemillwithrawcoalintoapulverizedcoal.Weleadinthecoalproduction.Thetreasuresarenotcopperorcoal...
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發表於:2024-02-24
1、rateofcoalconsumption2、oil-treatmentofcoal3、thicknessofcoalseam4、Determinationofcarboxyreactivityofcoal5、Sizeofcoalpulverizerinlet.6、historyofcoalchemicalprocessi...
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發表於:2017-10-15
Basedontheacademicthoughtthat"coalstructuredecidesthenatureofcoal",whichisfromthemicrostructureofcoaltostudythegasadsorption,emissioncharacteristics.WangXianzheng,deman...
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發表於:2019-01-27
Withtherawmaterialofgascoalandweaklycakingcoal-char,asetofformedcokeswerepreparedbychangingthesizeofgascoalandweaklycakingcoal-char.CoalranksintheYuanyanghumineareaaremai...