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Table of Content
11 July 2014, Volume 30 Issue 3
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TheReliabilityAnalysisoftheInclinedTransportationSystem UsedBainiuchangMine
2014, 30(3): 1. doi:
doi:10.3969/j.issn.1009-0479.2014.03.001
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Toimprovethestabilityofhoistingandhaulagesystem intheinclinedshaftofBainiuchangmine,accidenttreeofreliabilitytheorywastakentoevaluateinfluentialfactorsandtheirrelationshipsonthemultilevelhoistingsystem.Resultsshowedthatthesafetyofhoistingsystemwasacombinationofstaff,deviceandoperatingenvironment.Elementaryeventsincludedshaftbottom,bodyandheadevents,andthereliabilityofthehoistingsystemwas71.3%,whereasdispatchingfailureandloadingaccidentweretheweakeststeps.Thestudyisusefultosolveinsituproblemsandimprovethesystemstability.
TheEngineeringProposalStudyofWhiteDragonMountainCoalMineWellOutburstPreventionandCoalGasContro
2014, 30(3): 5. doi:
doi:10.3969/j.issn.1009-0479.2014.03.002
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TheWhiteDragonMountaincoalmineisahugemine.Theconstructionofthecoalminegotthenationalapproval.Duringtheperiodofconstruction,manytimesofcoalandgasoutburstaccidentshaveoccurred.Theengineeringproposalwasputforwardtomoreeffectivelypreventthecoalandgasoutburstaccidentsduringconstruction.Theengineeringproposalisbasedontheanalysisoftheaccident,adjustmenttodevelopminingsystem deploymentandimprovingtheconditionsofmineconstructionsafety.Atthesametime,theengineeringproposalstrengthenedthegasextractionasafundamental,relyingonadvancedequipmentandtechnologytosuitableforcoalmineconditionandthegasregulation.
ResearchontheHeatresistantConcreteComponentSelectionofaProjec
2014, 30(3): 9. doi:
doi:10.3969/j.issn.1009-0479.2014.03.003
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Accordingtothecompanyneededheatresistantconcretefortheconstructionofbakingfurnaceandthelocalrawmaterialsupplysituation,theheatresistantconcretecomponentsthatcouldsatisfytherequirementofengineeringwereselectedbyorthogonalexperimentandtheanalysisofvariance.Engineeringapplicationresultsshow:thecomponentmeettechnicalindexesofengineeringspecifications,andbetterthanthenationalstandardofqualifiedproducts
EffectsofRareEarthTailingsonthePropertiesofCementClinker
2014, 30(3): 14. doi:
doi:10.3969/j.issn.1009-0479.2014.03.004
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CementclinkerburningtestwasdonebyusingYunnansomerareearthtailingsinsteadofclayrawmaterials.TestresultsshowthatthemixedrareearthtailingsandleadzincminetoburninthematuremakingsfCaOcontentdecreasedsignificantly,therawmaterialiseasytoburn;Thethreedays,sevendaysand28dayscompressivestrengthincreasetosomeextent;C3SandC3AandC4AFcontentofCementclinkerincrease,whichpromotethecementclinkersintering,isbeneficialtotheformationmineralsincementclinker,especiallytheC3Sinclinkerincreasesignificantly.
TheDetectionofRoadsTrafficStateaboutMobileUsersBasedonFuzzyComprehensiveEvaluation
2014, 30(3): 18. doi:
doi:10.3969/j.issn.1009-0479.2014.03.005
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Theauthorsortedhistorymobilepositioningdataofanumberofmobilephoneusers.Theusersaveragetravelspeedandothertrafficstateparameterswereobtained.Therelationshipbetweenthepositioningdataandroadstrafficstatehasbeenanalyzedbyusingtheprincipleoffuzzytheory.Theroadstrafficstatecanbesortedandreviewedbytheaveragetraveltimedelaysandotherevaluationfactors.Akindoftrafficstatedetectionalgorithmbasedonfuzzycomprehensiveevaluationhasbeenputforward.Theresultsshowthatthismethodcaneffectivelyaccesstousersoftheroadtrafficcondition.
ApplicationofVMwareServerVirtualizationintheDataCenterofCollegesandUniversities
2014, 30(3): 24. doi:
doi:10.3969/j.issn.1009-0479.2014.03.006
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Thebasicprincipleofservervirtualizationwasanalyzedinthispaper.VMwareESXserverbasedservervirtualization technology was also introduced. Servervirtualization technology wasimplementedbycombinedwiththeactualconstructionofthedatacenterofourschoolandusingVMwareESXServetheVirtualCenterandVMwareVmotionmigrationmanagementtechniques.TheadvantagesanddisadvantagesoftheVMwareservervirtualizationtechnologyaredescribedandanalyzed.
MathematicalSimulationExperimentofDoubleSlidingWindowDelayAlgorithm withImpactSineSigna
2014, 30(3): 29. doi:
doi:10.3969/j.issn.1009-0479.2014.03.007
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Simulationexperiment,thesinewavecomponentshockresponsesignal,wasdonebyusingthemethodoflinearneuralnetwork.Theresponsewindowofthenetworkinputwasdeterminedbyusingtheimproveddoubleslidingwindowdelayalgorithm.Thesimulationresultsshowthatthelinearsystemmodelbasedonlinearneuralnetworkmethodhasaveryhighaccuracy.Italsoshowsthatalinearneuralnetworkhasgreattheoreticalandpracticalvalueforpredictionoftheactuallinearsystem.
HigherVocationalCcollegesofHumanResourceManagementInformationSystem Design
2014, 30(3): 33. doi:
doi:10.3969/j.issn.1009-0479.2014.03.008
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Inhighervocationalcollegesofhumanresourcemanagementinformationsystem designandsystemimplementationbasedonB/Sstructure,thispaperputsforwardthearchitecturedesignandimplementationplan.Inaddition,thispaperanalyzestheuseofVSNETandSQLServersystemdesignandimplementationmethod.
DesignofDCSSystem inMoistureControlofConditioningCylinde
2014, 30(3): 37. doi:
doi:10.3969/j.issn.1009-0479.2014.03.009
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Conditioningcylinderoccupiesanimportantpositionintheroastingline,wettingqualityoftobaccoleafdirectlyaffecttheeconomicpiecerateandtheeconomicbenefitsofrebakefactory.Themainpurposeofmoisturecontrolistoincreasethetoughnessoftobacco,enhanceresistancetoprocess,andreducetheactivitiesofbrokenrateinsubsequentoperations.TheresearchoftwowettingproductionlineofconditioningcylinderinYunnanTobaccowasdone.Thiscontroltechnologyinconditioningcylinderofrebakeworkshopwasobtainedbyusingcascadefuzzycontroltechnology,theinterferenceparametersintothefuzzycontrolsystemandrevisioncontrolparameter.
ApplicationofExpertSystem inaFluidizedBedDryerControlSystem
2014, 30(3): 42. doi:
doi:10.3969/j.issn.1009-0479.2014.03.010
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Accordingtotherequirementscharacteristicsofautomaticcontrolinfluidizedbeddryerusedsugarindustry,theSiemensPLCcontrollerS7300PLCwasusedasthecoreofthecontroller.Expertcontrolsystemwasdeveloped.Theexpertcontrolsystemwasintroducedintheautomaticcontrolsystemforfluidizedbeddryingouttherealizationoftheairoutputdecouplingcontrolmethod.Thefeasibilityofthiscontrolmethodwasprovedtheoretically.Thecorrectnessofthecontrolsystemwastestedduringthepracticalapplicationanddebuggingprocessinsugarproduction.
PumpingExhaustResearchofLaboratoryEquipmentUsedtoProveEquationsofFluidDynamics
2014, 30(3): 47. doi:
doi:10.3969/j.issn.1009-0479.2014.03.011
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Liquidflowprocessinacirculartubeisgenerallyusuallymixedwithgas.Theflowisliquidandgastwophaseflow.Thewateristransportedfrom thehighwatertanktolowwatertankform aconstantflow,thepipetotheexperimentationarea.Whentheflowrateincreases,largeamountsofgascanbebroughtintothepipe.Itmakesmeasuringpointparameterscompletefailure.Adoptinginnovativeresearchofgasliquidtwophaseflow extractiondevicescaneffectivelyovercomethegasintotheexperimentalsection,toensuretheexperimentalpipelineforfullpipeflow.Thedevicemeetstheenergyequation,energylossesofscientificexperiments.
RealizetheTableLookupFunctionbyUsingtheComplexDataTypeofSTEP7
2014, 30(3): 51. doi:
doi:10.3969/j.issn.1009-0479.2014.03.012
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TheTableLookupfunctionisakindofveryusefuloperationinthealgorithmofautomaticcontrolsystem.InthePLCsystem,thereneedtheTableLookupfunctiontorealizefuzzycontrol,expertsystemandotheradvancedcontrolmethods.ButatpresentmostofthePLCdoesnotprovideareadymadelookuptablecommand,realizethelookuptableprocedureismoretroublesomeandineffective.Inthispaper,weusethecomplexdatatypeandthecomplexparametertypeofSTEP7torealizetheTableLookupfunctioninthesSiemensS7seriesPLC.
ModificationofLubricationWayinAmmonium PhosphatePlantDryerGear
2014, 30(3): 59. doi:
doi:10.3969/j.issn.1009-0479.2014.03.013
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Goodlubricationeffectofdryerdrivegearwithautomaticopengearsystemwasdemonstratedbycomparinglubricationmethodofbeforeandafterthemodification.Wideapplicationprospectsweredescribed.Atthesametime,workingprincipleandcharacteristicsofthesprayingsystemoftheSPRAYMASTERSSPGP4opengearwereintroduced.
ImpactsofIntegrationDegreeofConstructionEnvironmenttoBIM Use
2014, 30(3): 63. doi:
doi:10.3969/j.issn.1009-0479.2014.03.014
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Inordertoconquerthedisadvantagesoftraditionalinformationmedias,theconstructionindustrybeginstousebuildinginformationmodelingtoreplacethetraditionalinformationmedias.Withmoreandmoreprojectsusingbuildinginformationmodeling(BIM),theenvironmentofitsusehasbeenpaidmuchattention.ManyresearchersbelievetheintegratedenvironmenthasmorepositiveimpactstoBIM‘suse.Aftercollectingandsortingthematerialsof21constructionprojectsusingBIM innorthAmericaandEurope,thispaperanalyzestherelationshipbetweenBIM useandintegrationdegreeof3differentprojectmanagementmodel.TheanalysisresultsshowthatthespheresanddeepnessofBIMusewillgrowwiththedevelopmentofintegrationdegreeofprojectmanagementmodel.TheresultsprovethebasichypothesisoftherelationshipbetweenBIMuseandintegrationdegreeofbuildingenvironmentandenrichedthetheoryofBIMuse.
RafficDemandForecastforPlannedRoadNetworkinLogisticsParkBasedonConversionofLogisticsCharacteristic
2014, 30(3): 68. doi:
doi:10.3969/j.issn.1009-0479.2014.03.015
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Basedonanalysisthecharacteroflogisticsamountinlogisticspark,suchasflowandvelocityanddirection,theconversionmodeloflogisticsamountandtrafficamountwasestablishedbyusingthequantitativeandqualitativepredictionmethods.Asacasestudyofrailwaylogisticsparks,theinternaltrafficnetworkofthelogisticsparkwaspredicted.FRANTARmethodandtranscadsoftwarewereusedfortrafficdistribution.
ApplicationofFuzzyComprehensiveEvaluationMethodinQualityEvaluationofHighwayConstructionProject
2014, 30(3): 72. doi:
doi:10.3969/j.issn.1009-0479.2014.03.016
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Alotofproblemsinthehighwayconstructionprojectareduetoignorethequalityoftheconstruction projectmanagementand evaluation. The feasibility and superiority ofthe fuzzycomprehensiveevaluationmethodwerestudiedbyusingtheliteraturemethod,themethodofdatacollectionmethodandthecombinationoftheoryandpractice.Highwayconstructionprojectqualityevaluationcontentwasexplained.Theshortcomingsofthemethodweregiven.Theeffectivenessoftheproposedmethodwasprovedbyengineeringcase.Itisexpectedthatthequalitylevelofhighwayconstructionprojectsareimprovedeffectively.
StudiesontheChemicalConstituentsofCephalotaxuslanceolata
2014, 30(3): 80. doi:
doi:10.3969/j.issn.1009-0479.2014.03.017
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Sevencompounds(1~7) wereextractedandisolatedfrom thetwigsandleavesofCephalotaxuslanceolatabyrepeatedchromatography.Therestructureswereidentifiedbyspectroscopicanalysis(1HNMR,13CNMRandEIMS)tobe11hydroxyhainanolidol(1),fortunolideA(2),phydroxybenzaldehyde (3), 3methoxy4hydroxybenzaldehyde (4), sitosteryl3βglucoside6′Opalmitate(5),βsitosterol(6),daucosterol(7).Compounds1~5wereisolatedfromtheplantforthefirsttime.
StudyofAdsorptionCr6+UsingCrosslinkedPolystyreneContaining8Hydroxyquinaldine
2014, 30(3): 85. doi:
doi:10.3969/j.issn.1009-0479.2014.03.018
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In this paper, The adsorption characteristic ofthe chelating resin containing 8Hydroxyquinaldine(PSHQ)forCr6+ wasstudiedinaqueoussolution.ThestudiedparametersincludepH,adsorptiontemperature.TheresultsshowedthatPSHQcouldeffectivelyremovechromium fromaqueoussolution.IthadhighadsorptionabilityforCr6+ fromaqueoussolution.ThePSHQshowedhighadsorptionabilityforchromiumatawidepHrange(pH3.0~6.0),theoptimaadsorptonacidityofPSHQforCr6+ ispH4.0inHAcNaAcmedium.Adsorptionincreasedwithincreasesinadsorptiontemperatures.Itmeansthatthesorptionprocessisanendothermicprocess.TheadsorptionbehaviorofPSHQforCr6+ obeystheFreundlichandLangmuirisothermmodel.Afteradsorptiontheresincanberegeneratedwithnitrateacidanddemonizedwater,theregenerationratioreachupwardsof93~96%.PSHQisthebetterabsorptivematerialremovingCr6+ fromaqueoussolution,reachupwardsof93% ~96%.PSHQisthebetterabsorptivematerialremovingCr6+ fromaqueoussolution.
LearningContextDesignofProcessbasedCurriculum ofVideoEditingTechnology
2014, 30(3): 89. doi:
doi:10.3969/j.issn.1009-0479.2014.03.019
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Accordingtothevideoeditingandproductionrequirementsofprofessionalpositionsforqualifiedpersonnelknowledge,abilityandquality,likewisetheabilitytoachieveprofessionalvideoproductionprocess,thepaper,takingthecourseofVideoEditingTechnologyasanexample,exploresthedevelopmentideaofworkbasedcurriculumlearningaswellaslearningcontextdesign.
TextbookConstructionSchemeofWebpageDesignandDevelopmentCourse
2014, 30(3): 93. doi:
doi:10.3969/j.issn.1009-0479.2014.03.020
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Teachingmethodinnovationisakeylinkofteachinginnovation.However,teachingmethodTeachingmethodinnovationisakeylinkofteachinginnovation.However,teachingmethodinnovationisonlyappliedintotextbookconstruction,goodteachingeffectscanbeachieved.Webpagedesignanddevelopmentareacomputerapplicationtechnologycoursewithstrongpractice.Inordertofittaskdrive methods, innovation ofwebpage textbook also becomesimportantcontentofcourseconstruction.Thispaperanalysesthecurrentsituationofwebpagetextbook,andexpatiatedesignscheme、thinkingandthefeaturesofawebpagetextbookwrittenbymyself.
ApplicationandSuggestiononMetallurgicalSimulationTrainingDevicesinProfessionalTeaching
2014, 30(3): 97. doi:
doi:10.3969/j.issn.1009-0479.2014.03.021
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TraditionaltrainingteachingfacessomedifficultiesbecauseoftheprofessionalfeaturesofMetallurgicalTechnologySpecialtyinhighervocationaleducation.Itisanimportantwaythatdesignsanintegrationoftheoryandpracticecourses.Thecoursesshouldconsidertheenterpriseactualproductionenvironmenttobuildaplatformandcultivatehighlyskilledtalentsofmetallurgicalenterprisesexpected.Inthispaperthemetallurgicalextractionunitteachingasanexample,somesuggestionsofthesimulationtrainingdevicefortheeducationoftheoryandpracticeteachinginmetallurgyweregiven.
DiscussiononTeachingReform ofMCUInterruptReturn
2014, 30(3): 101. doi:
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Theproblem thatsinglechipinterruptresponsecannotreturninthepracticalwriting procedureswasdescribed.Practicalcasesinterruptresponseprocedureswereprovidedbyusingassembly language.Causesofinterruptresponsecannotreturntonormalwereanalyzedindetail.Thefinalsolution wasalsogiven.
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