简介：镦管机是地质钻探行业必备的机械设备。主要介绍了YDG200型全液压镦管机液压系统的工作原理,根据镦管机的工作要求,设计了基于PLC的电气控制系统,实践表明,采用PLC实现的电气控制系统提高了镦管机的性能和工作稳定性。

简介：近期,记者获悉,由国际紧固件机械和供应者协会及国际线材协会共同主办的”2007国际紧固件、精密冷锻件制造及国际线材展览会”于2007年5月7～10日．在美国的北方城市克利夫兰市国际会展中心举行。齐二机床与日本阪村公司合作研发的BP-430SS型自动螺栓镦锻机首次赴美参展，受到了国外客商和参观者的好评。

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简介：AStudyonHandoverandChannelAllocationSchemewithCostFunctioninLowEarth-OrbitalSatelliteSystems,Astudyontheshort-circuitcapabilityoffield-stopIGBTs,ATutorialonOpticalNetworks,ATwo-Cell-LookaheadCallAdmissionandHandoffManagementSchemeforMultimediaLEOSatelliteNetworks,AbstractSpecificationinObject-ZandCSP,ACCEPTANCEOFINTERNETCONTENTFILTERS:ANEMPIRICALSTUDY,AccurateandEfficientPredictionofCoverageMapinanOfficeEnvironmentUsingFrustumRayTracingandIn-SituPenetrationLossMeasurement.

简介：AnewmethodofblockingfaultdiagnosisonstatorwindingbasedonANN;AnewSi:CepitaxialchannelnMOSFETarchitecturewithimproveddrivabilityandshort-channelcharacteristics;AnewvalidatedphysicallybasedIGCTmodelforcircuitsimulationofsnubberlessandseriesoperation;ANovel100MHz-40GHzRFTerminationwithBiasNetworkforOpticalSystems;Anovelchannelallocationschemeinintegratedwirelessandmobilenetworks

简介：Detectingthegazedirectionforamanmachineinterlace;Developmentincardoorlatchingsystems;Developmentof1600N/mm{sup}2glassultra-high-strengthbolts;Developmentofamicrorobotbasedmicropositioningstation:themicrorobotanditspositionandorientationmeasurementmethod;DevelopmentofNavigationSensorUnitfortheAgriculturalVehicle;Dual-UseSignalProcessingforaMultiple-SensorSystem:SonarandOpticalImageProcessingforUnderwaterObstacleAvoidance

简介：StudyofinfluenceofomnidirectionalcompressionstressesandhotplasticdeformationonweldingoffragmentsofSwarfbars；Testanalysisofenhancedlightweightaluminiummaterials;TheinfluenceofthemartensitictransformationonthehichtemperatureplasticityoftheNi-Al-Cuβintermetallicphase；ThetemperaturedependenceoftheanisotropicNdFeBfalvicatedbysinglestagehotdeformation;Thermo-mechainicalTreatmentwithMulti-directionUpsettingforImprovementofSuperplasticityinSUS304;

简介：Observationsofbarrellinginaluminiumsolidcylindersduringcoldupsettingusingdifferentlubricants;Observationsonfractureinaxi-symmetricandthree-dimensionalcoldupsettingofbrass;Parallelprocessingof3Drigid-viscoplasticfiniteelementanalysisusingdomaindecompositionandmodifiedblockJacobipreconditioningtechnique;ParameterstudyintothefrictionweldingoftheintermetallicTiAIandthealloyTi6AI4V

简介：APracticalNlulti-wordComparc-and-SwapOperation；Apriority-bascdchannelallocationschemeforcellularnetworks;Aproposalofamethodforlimitingholdingtimetoguardemergencycommunicationsfromtrafficcongestionincellularsystemsduringmajordisasters;AQoSProvidingMultimediaAdHocWirelessLANwithGranularOFDM-CDMAChannel;AQoSRoutingMechanismforReducingtheRoutingInaccuracyEffects;AQoS-AwareHandoffusingRSVPinNextGenerationWirelessNetworks;

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简介：High-PerformanceComputing:Past,Present,andFuture,Importanceofrandomfrequencyspacinginshipmotionsimulation,In-flightalignmentofSDINSunderlargeinitialheadingerror,Inspectionacceptanceinterpretationforflower-shapedwasherheads,InterconnectIPsteersSoCintegrationintothefastlane,IntroducingtheElectricVehicleinNewYorkCity.CommunityLevelActionstoSpurtheUseofElectricVehicles.

简介：Expandedheadingcapacities；ExperimentsinCalibrationofanInertialMeasurementUnitlorUUVApplications；FABRICATIONOFMAGNETICACTUATORFORUSEINCAPSULEENDOSCOPE；FlockingofAutononmusUnmannedAirVehicles；FO-DIASproject:anoverviewandthedevelopmentstatus;FootprintGenerationforReusableLaunchVehiclesUsingaDirectPseudospectralMethod；

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简介：对10B21冷镦钢盘条出现的冷镦开裂现象,用光学显微镜、扫描电镜、直读光谱仪对缺陷部位进行了显微组织、化学成分等分析。结果表明,冷镦开裂是由钢坯裂纹缺陷所导致,且通过Ti元素的加入,杜绝了钢坯裂纹的产生。