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Table of Content
31 January 2011, Volume 27 Issue 1
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article
OnMineralProcessinginACopperironOre
ZHANG Zhong-Hui, CHENG Yu-Gang, LAN Yao-Zhong
2011, 27(1): 1-3. doi:
10.3969/j.issn.1009-0479.2011.01.001
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Fromthenatureofonecopperore,thepaperstudiedthebeneficiationprocessanddecidedto usefloatationincopperloop,uselimeandbutylxanthateasflotationagent,andadoptmagneticsepara tionprocessinironselectionloop.Averygoodtestindexof20.53%copperconcentrategradeand 94.50%recovery,58.54%ironconcentrategradeand72.30%recoverywasgained.
StudyofSeparationProcessinLeadzincStone
ZHOU Xiao-Si-1, WANG Shao-Dong-2, PENG Fen-Lan-1, YANG Jia-Wen-1
2011, 27(1): 4-8. doi:
10.3969/j.issn.1009-0479.2011.01.002
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Aleadzincorecontainsvaluablecomponentsaslead,zincandironandutilizationcompo nentsassilverandiron.Throughstudyofseparationprocess,thepapershowedthattheuseofflotation magneticseparationprocess,leadandzincpreflotation,flotationtailingsbymagneticseparationprocess wouldresultinagoodmineralindicator.
ReadingHardDriveSerialNumbertoAchieveApplicationEncryptionunderVFPEnvironment
LI Guang-Hui-1, LI Qiong-Xian-2
2011, 27(1): 9-12. doi:
10.3969/j.issn.1009-0479.2011.01.003
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EncryptionalgorithmsthroughreadingharddriveserialnumberunderVFPenvironmentneed softwareregistrationcodes.Installingandrunningtheapplicationprogrammustvalidatethesoftwarereg istrationcodes,soastoachievethebindingoperationoftheprogramandcomputer.
AnalysisofClusteringModelandItsUseinCustomerRelationshipManagement
WANG Yue, YANG Jiao, TAN Yuan-Rong
2011, 27(1): 13-16. doi:
10.3969/j.issn.1009-0479.2011.01.004
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Itisatendencytousemoderndataminingtechnologytoanalyzeandhandlecustomers'infor mationforenterprisestoimprovetheirmanagement.Clusteringisanimportantmethodindatamining. Afterintroducingtheconceptofclustering,thepaperdiscussedseveraltypicalclusteringalgorithms.Ap propriateclusteringalgorithmswereusedincustomerdataanalysisinDuo'erhuiSupermarkettogetthe bestclassificationofcustomersandguidebusinessdecisions.
UseVBAtoModifyRoadwayLinePlanwithAutoCAD
ZHANG Jun
2011, 27(1): 17-22. doi:
10.3969/j.issn.1009-0479.2011.01.005
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Inrailwaysurveyanddesign,tomeasurethecrosssectionandmodifythetopographicmapis acumbersomeprocess.WithinterfacedatafileofroadbedandlineandVBAprogrammingofAutoCAD, theauthormadeituserfriendlyandWYSIWYGandintegratedprogramandprofessionaldesign.Itbe comestheonlycomputeraidedprocessindomesticrailwaysurveyanddesign,playingafastandefficient designsystemfunction.
AnalysisandRealizationofBurstPipesClosingValveinGasPipeSystem BasedonArcGISEngine
CHEN Rui-1, SHEN Xu-2
2011, 27(1): 23-26. doi:
10.3969/j.issn.1009-0479.2011.01.006
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AcompleteandfunctionalgaspipeaccidentprocessingsystembasedonArcGISEnginewas developed,amongwhichanalysisofburstpipesclosingvalveisoneofthemostimportantspatialanalysis ingaspipesystem.Alogicalnetworkmodelwasintroducedinthepapertoanalyzeburstpipes.The checkvalvewasabstractedasabreadthfirstsearchprocesstofindthevalve,thusincreasingboththe searchspeedandaccuracy.
PreparationandEsterificationPropertiesofPolyanilineNanofibers
ZHENG Xiao-Ying-a, ZHANG Run-Hu-a, TAN Xiang-Dong-b
2011, 27(1): 27-30. doi:
10.3969/j.issn.1009-0479.2011.01.00
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Polyanilinenanofibersdopedbyasuchacidsassulfuricacid,hydrochloricacid,nitricacid andchloroaceticacidwerepreparedbyusingrapidmixturemethod.Scanningelectronmicroscopyanaly sisshowedthatwhenthediameterofpolyanilinefiberwasin50~200nm,acidtypehadlittleeffecton morphologies.Theesterificationofterpineolandaceticanhydridewasregardedasthegoalreactionto studyeffectsofpreparationconditionsoncatalyticactivity.Theresultsprovedthattheyieldofterpinyl acetatereachedthemaxvalue,whichamountedto86.74%.Whennitricacidwasdoped,itsmolarcon centrationwas1.0mol/L,anilinemolarconcentrationwas0.4mol/L,andtheconcentrationratioofam moniumpersulfateandanilinemolarwas1∶4.Undersamereactionconditions,conversionrateofterpine olwas99.50% andesterificationyieldreached86.74%.
IntelligentLightControllerDesignBasedonPIRSensor
ZENG Xie-Hua, MA Zhi-Cheng, TONG Yun-Feng, CHEN Min
2011, 27(1): 31-34. doi:
10.3969/j.issn.1009-0479.2011.01.008
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Abstract:Withitsuniquetestingcapabilityofactivebody,pyroelectricinfrared(PIR)sensorhasbeen usedwidelyinenergysavingandsecurity.PIRsensorwasusedinpubliclightcontroldevice.Taking SCMasthecontrollingcore,thesetusedphotosensitivesensortocollectluminousintensityparameterand PIRtotesthumanactivitywiththecontrolledscope.Itturnedonorturnedofflightsautomaticallyaccord ingtolightintensityandhumanactivity,thussavingtheenergy.
SoftwareDesignforStreetLightSimulationControlSystem
YANG Yu-1, ZENG Xie-Hua-1, TAN Ke-2, LI Zhi-Ping-1
2011, 27(1): 35-40. doi:
10.3969/j.issn.1009-0479.2011.01.009
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BasedonMCUAT89C52andprogrammedwithClanguage,thestreetlightsimulationcontrol systemdividedtasksinaccordancetodifferentworkmodesanddifferentiatedsimilartaskswithintermedi atevariables,achievingsatisfactorycontroleffect.
MineShaftHoistSystem BasedonFrequencyConverterContro
YIN Zhuo-Hua-1a, E Yi-Shuai-2, DUAN Bo-1b
2011, 27(1): 41-44. doi:
10.3969/j.issn.1009-0479.2011.01.010
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Aschemetocontrolmineshafthoistsystembasedonfrequencyconverterwasproposed.The paperintroducedthebasicstructureoftheliftingequipment,mineshafthoistsystemcontrolledbyfre quencyconverteranditsfunction.Thenewsettingofshaftswitchmadethesystemmoresafeandrelia ble.Ithelpsimprovetheworkefficiencyofmineshaft.
ApplicationofACServoControlSystem inRebuildingSharpeningMachineControlSystem
DONG Zhi-Zhong, WANG Hao, YANG Yan
2011, 27(1): 45-48. doi:
10.3969/j.issn.1009-0479.2011.01.011
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Asanimportantservosystem,ACservocontrolsystemisbecomingevermorewidely.The purpose,basicprinciples,selectionanddebuggingofapplyingAVservocontrolsystemtorebuildsharpe ningmachinecontrolsystemwereanalyzedanddiscussedindetail.TheexcellentperformanceofACser vocontrolsystemanditsbroadapplicationprospectswereexpounded.
ConvertibleBondPricingModeBasedonBlackscholesMod
YANG Jiao-1, WANG Yue-1, LIN Yu-2
2011, 27(1): 49-53. doi:
10.3969/j.issn.1009-0479.2011.01.012
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Convertiblebondisanimportantforminfinancialramification.Itiswidelyusedinpractice. Withanalysisofthevaluecomponentsofconvertiblebond,thepapermadehypothesisandassesseda priceonconvertiblebondvaluebasedonBlackScholesModel.Itassessedtheconvertiblebondwithtwo groupsofexamples.Theresultshowedthattheestimatedvaluewasclosetotheissuepriceofconvertible bond.Thispricingmethodcanprovidereferenceforthemeasurementoftheissueprice.
AnalysisofLieSymmetryandExactSolutionofShortPulseEquation
CHEN Li-Ping, WANG Yue
2011, 27(1): 54-59. doi:
10.3969/j.issn.1009-0479.2011.01.013
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Nonlinearpartialdifferentialequationisanimportantbranchofmodernmathematicsandre searchonexactsolutionofnonlinearpartialdifferentialequationsisanimportantcomponentoftheoretical research.Asisknowntoall,Liesymmetricmethodisadirectandpowerfulwaywhichcomprisesexact solutionofnonlinearpartialdifferentialequation.UsingLiesymmetryanalysistostudynonlinearevolu tionequation,specificallyshortpulseequation,thepaperfoundtheinfinitesimalgeneratoroftheequa tion,thecorrespondingsymmetrygroupandsomesymmetryreductionandgroupinvariantsolution.
ApplicationofDeterminantinAnalyticGeometry
ZHOU Ning-1, XIA Yi-Bin-2
2011, 27(1): 60-61. doi:
10.3969/j.issn.1009-0479.2011.01.014
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Someapplicationsofdeterminantinanalyticgeometrywerestudied.Usingdeterminantweob tainconcisely,symmetricallyanddelicatelythetrianglearea,theconditionsofthreepointsinalineand threelinesthroughapoint,andabeelineequationofthroughtwopoints.
TeachingModeofDryCementEquipmentInspectionandItsImplementatio
HE Chun-Mei, ZHU Min, TU Guo-Dong, DING Dan
2011, 27(1): 62-65. doi:
10.3969/j.issn.1009-0479.2011.01.015
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Learningtasksweredevelopedtomeetthepositionrequirementsofdrycementequipmentin spectionthroughacloseintegrationoftheoreticalknowledgewithoperationskillsandtasks.Ateaching modeof“projectguideandtaskdrivenstep”basedondrycementequipmentinspectionwasconstructed.
CircuitBoardDesignintheCourseofMCUTechnology
TONG Yun-Feng-a, LI Zhi-Ping-a, LONG Xiao-Bo-b, ZHOU Tao-a, LI Yang-a, YANG Yu-a, ZENG Xie-Hua-a
2011, 27(1): 66-69. doi:
10.3969/j.issn.1009-0479.2011.01.016
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TobeinlinewiththecurriculumreforminMCUTechnologyandmeettheneedsofmodelcon structionofhighervocationalcolleges,apracticalcircuitboardwasdesignedforthecourseofMCUTech nologytoachievetheintegrationoflearnanddo.Therefore,thestudentscanseeforthemselvesandun derstandtheprincipleandapplicationofMCU.Designingmethods,purposeandrequests,typicalcases andevaluationtoitsusewerediscussed.
OnActionorientedTeachinginMotorDriveandControl
ZENG Fan-Ling, ZENG Ju-Yuan, LI Yi-Qiang
2011, 27(1): 70-72. doi:
10.3969/j.issn.1009-0479.2011.01.017
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TakingactionorientedmethodinteachingMotorDriveandControlneedteacherschangetheir conceptstodecidetheabilitytrainingobjectiveaccordingtothetrainingobjectiveandestablishanaction orientedknowledgemodule.Themainactionorientedmethodsareprojectapproach,casemethodand taskdrivenmethod,whichcombineteaching,learninganddoing,thuscultivatingstudentsessentiala bility.
TeachingReform andExplorationinEngineeringDrawing
LI Mei-1, TONG Shu-Qi-1, ZHANG Xue-Li-2
2011, 27(1): 73-76. doi:
10.3969/j.issn.1009-0479.2011.01.018
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Asthecontradictionbetweensocialdemandandthequalityofpersonneltraininginhighervo cationalcollegeshasbeenafocusforthinkinginhighervocationaleducation,teachingreformonitbe comesimperative.Onsettingupprojectsituationsinteaching,thepaper,withapplicationaspurpose andandcharacteristics,builtupacurriculumandteachingcontentsystemtomeettherequirementsof thecurriculumreforminhighervocationalcolleges.ReformsinprojectapproachinteachingEngineering Drawingwerestudiestobemoreinlinewiththelawofpersonneltraininginhighervocationaleducation.
OnCourseSystem ofSurveyingEngineeringTechnologyBasedonWorkProcess
WANG Jun-De, WANG Jian-She
2011, 27(1): 77-81. doi:
10.3969/j.issn.1009-0479.2011.01.019
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Theconstructionprocessofcoursesystembasedonworkprojectwasintroducedandcourse systemofSurveyEngineeringTechnologywasdiscussedindetail.Ideasofcreatinglearningsituation basedonworkprocessweremadeclear.Suggestionsonthesystemoperationandimplementationwere given.
Reform inTeachingContentsofSurveyingforHigherVocationalEducation
DI Yi-1, PENG Wei-Ji-2, YANG Yu-Hai-1
2011, 27(1): 82-83. doi:
10.3969/j.issn.1009-0479.2011.01.020
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AfteranalyzingcommonproblemsexistedintextbooksofSurveyingforhighervocationaledu cation,thepapersuggestedthatreforminthetextbookshouldmeettheneedsofjobrequirements.Relat edcontentsforaSurveyingtextbookwereproposed.
ApplicationofProjectApproachinTopographicSurvey
TANG Lan
2011, 27(1): 85-88. doi:
10.3969/j.issn.1009-0479.2011.01.021
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Necessityandpracticabilityofapplyingprojectapproachinthecourseoftopographicsurvey wasdiscussed.Mainproblemsexistedwereanalyzedandsolutionstothemweresuggested.
AnalysisofTypicalTasksandJobPostsinConstructionProjectManagement
HU Ying, DU Shao-Tang, YANG Xiang, ZHANG Quan
2011, 27(1): 89-92. doi:
10.3969/j.issn.1009-0479.2011.01.022
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Throughanalysisoftheworkprocessinconstructionprojectmanagementfrom corporatere search,thepapermadeclearthetypicaltasksandjobpostsandtherequirementsforstudentsknowledge andskills,providingthebasisforpersonneltrainingofarchitecturalengineering.
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