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Table of Content
30 January 2010, Volume 26 Issue 1
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article
StudyofDesulfurizationalGypsum Instead ofNaturalGypsum asCementRetarde
ZHOU Hui-Qun, YANG Xiao-Jie, ZHU Bo, HAN Chang-Ju, SONG Li-Ying, TANG Yue
2010, 26(1): 1-3. doi:
10.3969/j.issn.1009-0479.2010.01.001
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Throughstudyofthephysicalpropertiesofdesulfurizationgypsuminportlandcementandordi. naryportlandcement,feasibilityofitsapplicationincementproductionwasdetermined.Theresult showedthatgypsummixedwithportlandcementandordinaryportlandcementcouldeffectivelyadjustthe settingtimeofcement.Thequalityindexofcementmetthenationalstandard,andtosomeextent,im provedthestrengthofportlandcement.
ExperimentalStudyonImprovementofTangdan4# OreFlotationTechnicalIndicators
FANG Jian-Jun-1, WU Jin-Ming-2
2010, 26(1): 4-7. doi:
10.3969/j.issn.1009-0479.2010.01.00
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AimingatthedeclininggradeofcopperconcentrationinTangdanCompany,theauthorspro cessedthecopperoreof4#oreseparatelyandcarriedoutasmallscaleexperimentandanindustrialtest withsodiumhumatecarbonsuppression.Theresultshowedthattheconcentrategradecouldbeimproved 475% or410% respectively,whiletherecoveryrateincreased322% or205% respectively.
AnalysisofFormativeLawofFissureMineralizationinTangdanCopperMin
GAO Yong-Xiang
2010, 26(1): 8-11. doi:
10.3969/j.issn.1009-0479.2010.01.003
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InDongchancoppermine,fissureveincopperisakindofore-bodyformedduringthe processofhydrothermalsedimentationandpost-reformation.Thefeatureoffissuremineralizationfeature wasdisclosedwiththeproduction.Lawofmineralizationvariationoffissuremineralizationwasanalyzed andsummarized.Itsexplorationdirectionwasdiscussedtoguidetheprospectingwork,whichhasa chievedgoodefficiency
Mechanism AnalysisofWaterrockInteractionandClaySlopeInstabilit
LI Hong-Chang, WEN Mei
2010, 26(1): 12-17. doi:
10.3969/j.issn.1009-0479.2010.01.004
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Asoneofthesignificantgeologyagents,thepregnanteffectofslopeinstabilitybasedonwater rockinteractionisnotable.Thepapermainlydiscussedthewaterrockinteractionmechanismanditscon tributiontotheslopeinstability,indicatingthatwaterrockinteractionnotonlyinducedthedeterioration ofrockstrengthanddeformation,butaggravatedtheprocessofslopeinstability.Itshowedthatwater rockinteractionwasoneofthemainfactorsofclayslopeinstabilit
ProblemsinCurrentLandTransferModeandCountermeasure
NIAN Min, DU Kui
2010, 26(1): 18-21. doi:
10.3969/j.issn.1009-0479.2010.01.005
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MainmethodsofChinasstateownedlanduserighttransferarebidding,auctionandlisting. Withthedevelopmentofresearchandpractice,problemsoflandtransfergraduallyappear.Thethree methodsofstateownedlanduserighttransferhavebothadvantagesanddisadvantages.Manyproblems needimprovinginpractice.Throughanalyzingproblemsofavarietyoflandtransfermodes,improve mentsandcountermeasureswereputforward.
CausesofLowElectricityEfficiencyResultedfrom Largescale ScraperorMuchUseofNewAnodePlate
LUO Yong-Guang, ZHU Zhen-Ping, WU Shi-Yan
2010, 26(1): 22-28. doi:
10.3969/j.issn.1009-0479.2010.01.006
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Withthephenomenaoflowelectricityefficiencyandgeneralhightemperatureofplateresulted fromlargescalescraperormuchuseofnewanodeplateasthestartingpoint,theauthors,throughanaly sisofthebehaviorandreactionofanodemudintheelectrolysisprocess,discoveredtheunderlyingcauses oflowelectricityefficiency.Relatedsolutionswereputforward,whichisofgreatsignificanceforthede velopmentofelectrolyzingzinctechniques
BasedonDDCLowPassFilterDesig
ZHOU Xia, JIN Rui, ZHONG Si-Jia, LI Rui-Feng, DUO Yun-Jian
2010, 26(1): 29-33. doi:
10.3969/j.issn.1009-0479.2010.01.007
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InunderstandingtheDDCtechnologiesbasedonpairsofDDCinthelowpassfilterstructureis studied.TheuseofMATLABsoftware,theanalysisbasedonthefilterstructurehasbeendesigned, VHDLprogramminglanguagedesignedtoberelevantparameters;andfinallythroughthefilterperform anceanalysis,andtheresultswereanalyzedandsummarized
MeasurementofDisplacementofSteelPlateforFemoralFracture InternalFixationwithDigitalSpeckleCorrelationMethod
ZHU Li-Jiang, ZHOU Li-Juan, CHEN Ying-Jie, ZHOU Yi-Ping, SHEN Xu
2010, 26(1): 34-37. doi:
10.3969/j.issn.1009-0479.2010.01.008
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Inmeasurementofthedigitalspeckleplatefixationoffemoralfractures,displacementofplate screwmeasuredwith100Nand300Npullingforceprovidesbiomechanicalbasisforclinicalmedicine. Theexperimentshowedthatscrewsnearthefracturelineatbothendsboremorestress,therefore,easily causingfracture.Correspondingmeasuresweresuggested.
ResearchonApplicationofWaterSupplySystem withFrequency ControlandAutoconstantPressureofHighPowerPump
DUAN Bo, CHEN Hua, YIN Zhuo-Hua
2010, 26(1): 38-40. doi:
10.3969/j.issn.1009-0479.2010.01.009
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Watersupplysystemwithfrequencycontrolandautoconstantpressurewhichconsistsoffre quencyconverter,softstarterandprogrammablecontroller(PLC)wasintroduced.Controllablemultiop eratingmodeofPLCinthissystemwasadoptedtocompletethealternationamongdifferentpumps;the convertercontrolledthespeedofpumps,andthesoftstarterstartedupthehighpowerpumpstablytore ducetherushofcurrent.Iftheconverterfails,thesoftstarterwillstartupthepumps,thusimprovingthe reliabilityofwater.
ApplicationofAfterheatElectricityGenerationTechnologyinZincCompany
YANG Pu-Guo, LI Lian-Zhen, ZHOU Xia, CHEN Jun
2010, 26(1): 41-44. doi:
10.3969/j.issn.1009-0479.2010.01.010
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Applicationoflowtemperatureafterheatelectricitygenerationtechnologyinaverticalretort spelterworks.Inthezincsmeltingprocess,thesaturatedsteamgeneratedfromvaporizationcoolingsys temandwasteheatboilerandthelowgradeheatinemissionsoflowtemperaturewastehazeandsteam canbeusedtogenerateelectricpower.Afterheatelectricitygenerationtechnology,involvingthemain steamsystem,theelectricalsystemfunctionandthermalengineeringautomationsystemwereintroduced.
FaultDiagnosisonFuelSystem ofFSISystem Engin
LU Chao
2010, 26(1): 45-47. doi:
10.3969/j.issn.1009-0479.2010.01.011
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AfterintroducingthetechnicalcharacteristicsofFSIengine,thispaperdiscussedthediffer encesbetweenFSIengineandportfuelinjectionengineinfuelsystemandworkingprinciple,analyzed causesoffuelsystemfailureandputforwarddiagnosismethods.
TheStatusQuoandProblemsofYunnanMold IndustryandSomeCountermeasures
DONG Zhi-Zhong
2010, 26(1): 48-53. doi:
10.3969/j.issn.1009-0479.2010.01.012
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ChangesandthestatusquoofmoldindustryinYunnanProvincewasintroduced.Outstanding problemsinmoldproduction,theopportunitiesandchallengestheindustryfacedwereanalyzedfromvari ousangles.Solutionsandcountermeasureswereproposed.
ApplicationofGrayTheoyonEvaluationIndexSystem for RouteDesignofMiningAreasinYunnanProvince
LIU Yu-Ying, LI Zheng-Qiang, LI Fen-Rui
2010, 26(1): 53-56. doi:
10.3969/j.issn.1009-0479.2010.01.013
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Anevaluationindexsystemforroutedesignofminingareaswithmultitargetdevelopmentand scientificdecisionmakingwasmadetomeettherequirementsofmineroads.Accordingtotherouteselectioninminingareas,theroutedesign,underthepremiseofasafe,comfortableandrapiddriving,shouldmeettheneedofmineroadstobelowcost,highefficiencyandenvironmentprotected.
OnBuildingCultureReflectedby“OneStamp”Buildings
HE Yun-Mei, TANG Xiao-Li, FENG Li-Ling
2010, 26(1): 57-60. doi:
10.3969/j.issn.1009-0479.2010.01.01
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OneStamp”buildings,oneofthemosttypicalresidentialhousinginYunnanProvince,originatefromquadranglewhileblendingthetypicalethniccultureandtheenvironmentalfactors.Beinga carrierandanexternalrepresentationoflocalculture,“OneStamp”buildingsreflectourfocusontraditionalmainstreamculture,environmentalconceptsandaesthetics.TheyaregoodexamplesforstudythedevelopmentandevolutionofYunnanarchitectures.Theirheritageandupdateareofgreatsignificanceforcontemporaryarchitecturaldesign
ResearchonUrbanRainwaterUtilizationTechnology
YU Liang-Mou, 2 , ZHU Hong-De, MA Hui, REN You-Chang
2010, 26(1): 61-64. doi:
10.3969/j.issn.1009-0479.2010.01.015
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Itisanimportantandfocalresearchinterestofwaterpollutiontreatmentonhowtodealwithwatershortagebyurbanrainwaterutilization.Throughintroducingtheconceptandconnotationofurbanrainwaterutilization,thepaperputforwardbasicwaystoachieveeffectiveurbanrainwaterutilization,reviewedrelevantresearchofhomeandabroadandpointedottheenvironmentalandecologicalbenefits,providingadviceforeffectiveurbanrainwaterutilization
OnHopfBifurcationandStabilityofPredatorpreyModel
MA Zhan-Ping
2010, 26(1): 65-69. doi:
10.3969/j.issn.1009-0479.2010.01.016
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Abstract:ThestagestructuredpredatorpreymodelwithBeddingtonDeAngelisfunctionalresponsewasstudies.Byanalyzingthelocationsoftherootsoftheassociatedcharacteristicequation,sufficientconditionswereobtainedforthelocalstabilityofthepositiveequilibrium.Undersomeconditions,whentimedelayτexceedsthecriticalvalue,thepositiveequilibriumpointwillexperienceHopfbifurcation,bifurcatingafamilyofperiodicsolutionsfrom thepositiveequilibrium.Examplesofnumeicalsimulationsweregiven
AnEvaluationSystem ofDoublequalified TeacherofResourcesExploration
WANG Ya-Li, TANG Yong-Hu, BAI Ju-Bo, XIONG Xiao-Yun
2010, 26(1): 70-75. doi:
10.3969/j.issn.1009-0479.2010.01.017
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Itistheaimofhighervocationaleducationtotrainstudentswithcomprehensivevocationala bility.Ateachingstaffwithdoublequalifiedteachersisthekeytoensurehighteachingquality.Thepa per,throughanalyzingthetraininggoalandrequirementsofresourcesexplorationspecialty,discusseda doublequalifiedteacher′sprofessionalcorecompetenciesandsetupanrelevantevaluationsystem,provi dingabasisforthestandardofassessmentofdoublequalifiedteachers.
DigitalMappingTechnologyCurriculum DevelopmentBasedonWorkingProcess
ZHAO Hong
2010, 26(1): 76-79. doi:
10.3969/j.issn.1009-0479.2010.01.018
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Onbasisofthesystematiccurriculumdesign,thepaper,withthecourseofDigitalMappingTechnologyasanexample,introducedthestepsandmethodsofthecurriculumbasedonworkingprocess. AnalyzedwithBAGcurriculumdevelopmentmethod,theactionareasoftypicalprofessionaltasksweredecidedandthecurriculumdesignwasmade.Thecurriculum′simplementationplanwasproposed.
AnInquiryinto"TModel"Curriculum ofSurveyingandMappinginHigherVocationalColleges
TANG Bao-Hua
2010, 26(1): 80-84. doi:
10.3969/j.issn.1009-0479.2010.01.019
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AfteranalyzingtheTcurriculummodelofengineeringsurveyingtechnologyforhighervocationalstudents,thepaperdescribedthemethodtoconstructthecurriculumsystemwithtypicaltaskofsurveyingandmappingproductionprocess,soastotrainstudentstheabilitytoacquireandcopewiththemappingdata.Themodelmakesanexploratorypracticetoteachingreformsinsurveyingandmappingforvocationaleducation.
ApplicationofProjectTeachingMethodintheBuildingArchitectureCurriculum Project
TANG Xiao-Li, HE Yun-Mei, YAO Yong-Zhong, FENG Li-Ling
2010, 26(1): 85-88. doi:
10.3969/j.issn.1009-0479.2010.01.020
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Withthereforminpracticalcourseofbuildingarchitecturecurriculumprojectasanexample,thepaperelaboratedthemethodology′sdesignandimplementationoflearningscenarios,analysisofteachingresultsandproblemsneedattention.Inteachingthecourse,itiseffectivetouseprojectteachingmethodtofullyexplorethestudents′creativepotentialandimprovetheircomprehensiveabilitytosolvepracticalproblems.
BriefDiscussiononHeuristicTeachinginCementGrindingProcessandEquipment
HAN Chang-Ju, SONG Li-Ying, WANG Shu-Kun
2010, 26(1): 89-92. doi:
10.3969/j.issn.1009-0479.2010.01.021
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AccordingtothefeatureofCementGrindingProcessandEquipment,heuristicteachingmodewasadoptedintheprocessofteachingtoinspirestudentstothinkbythemselves,cultivatetheirabilitytofind,analyzeandresolveproblemsandimprovetheiradaptabilitytowork.
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