首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 406 毫秒
1.
1 IntroductionDuringtheproductdesignstage ,itisnecessarytoestimateproductcostsothatwecanusethisinformationtoevaluatetheproductdesigneconomically ,toadjustthedesignschemetoreducecostintimeandasaconsequencetocontroltheproductcosteffectively .Theproductcos…  相似文献   

2.
1 IntroductionTheacumulatorisakeycomponentinhydro pneumaticsuspension .Itisnotacomponentofaccu mulativeenergytraditionallybutaspringcomponentsimilartoasteelplatespring[7] .Itsperfor mancedirectlyaffectsthestiffnessperformanceofthehydro pneumaticsuspension .…  相似文献   

3.
1 IntroductionThecyclostationarysignalisaspecialkindofnon stationarysignal,inwhichthestatisticsvarywithtimeperiodicallyorpolyperiodically (withmultipleincommensurateperiods) .Theuniquecharacteristicshowsthatthemethodsbasedoncyclostationarytheorynecessari…  相似文献   

4.
1 IntroductionTotheinjectionpartmanufacturersandinjectionmoldmanufacturers,itwillbeofgreateconomi calvaluestodecidethemanufacturingcostsasearlyaspossible.Itcanreducethecost,enhancethemanufacturingefficiency ,andimprovethebenefitsofthefactory .Itisobvious…  相似文献   

5.
1 IntroductionGreenmanufacturingisamodernmanufacturingmodewhichconsidersboththeenvironmentalimpactandthecostofresources.Itinvolvesthewholeproductlifeperiod ,evenmultiplelifeperi ods.Theessenceofgreenmanufacturingistheembodimentofthesustaineddevelopments…  相似文献   

6.
1 IntriductionThetechnologyofengineeringequipmentfaultdiagnosesinChinaexperiencedthreesuccessivede velopingstages.Eachstagehasitsrepresentativediagnosistechnologythatcamefromthemulti subjectintercross.Atthebeginning ,theproblemofmonitoringtherunningstat…  相似文献   

7.
1 IntroductionThedevelopmentofnetworktechnologyhasprovidedthepossibilitytomonitoralargegroupofrotatingmachinesanddiagnosemalfunctionsinthemindistantanddifferentlocations.Inthisway ,investmentandresourcescanbesavedandtheefficiencyofmachinemanagementwill…  相似文献   

8.
1 IntroductionVacuumResinShotDosingEquipment(VRSDE)isakeyspecialequipmentusedtoperfusevariouskindsofelectricalcomponents,suchasstrikingwindingsofvehiclesandmotorcycles,transform ers,sensors,capacitorsandsoon (hereafterreferredtoas”workpieces”)withepoxyres…  相似文献   

9.
1 IntroductionStrategicalliances (SA)haveemergedinrecentyearsasapopularstrategyinanenvironmentinwhichfastaccesstoup to datetechnologyandemergingmarketsismorecriti calthanever .Thedevelopmentofinformationtechnologyandtelecommunications (IT&Ts)hasavitalimpac…  相似文献   

10.
Grey System Judgment on Reliability of Mechanical Equipment   总被引:2,自引:0,他引:2  
1 IntroductionThereliabilityofmachineequipmentwasagenerallyconcernedproblemonchoosingtypes ,useandmaintenanceofequipmentandsooninthewholecourse.Themachineequipmentconsistedofacomplicatedsystem .Whenchoosingthetypes ,itcouldcarryoutoptimumdecision makingo…  相似文献   

11.
1 IntroductionOilsupervisiontechnology ,whichwasdirectedinthesystemicconceptoftribologyandwhosemainmeanswastocheckoilpropertyandanalyzeabrasiongrains ,wasextensivelyappliedinworkingsupervisionandfaultanalysisoftheequipmentoperatedinworkingvariation ,low…  相似文献   

12.
Finelygroundcalciumcarbonatehasbeenwidelyappliedasthefillermaterial.However,itisessentialtomakethehydrophiliccalciumcarbonateparticlescompatiblewiththematrix,suchasplastics,rubberandadhesives.Surfacemodificationiscommonlyusedtoachievethispurpose.Surf…  相似文献   

13.
1 IntroductionTele servicesystemsinthedomainofmanufacturingreferstosystemsthataremonitoringandcontrollingremoteproductionprocesses,andinterveningandmaintainingthemwhennecessary .Fromtheviewofaflexiblemanufacturingsystem (FMS) ,atele servicesystemformanufa…  相似文献   

14.
NewCarbonMaterialsisaquarterlyjournalpublishedwiththepermissionoftheMinistryofScienceandTechnol ogyandoftheStateNewsandPublicationAgency .ThejournalissponsoredbytheInstituteofCoalChemistry ,ChineseAcademyofSciences ,andispublishedbySciencePress .AimsandS…  相似文献   

15.
1 IntroductionTwopurposesofrobustnessdesignonproductqualitywere[1,2 ] :onewastomakethestatisticsaveragevalueofcharacteristicparameteryonproductqualityapproachthetargetvalueyotothebestofitsabilities,namely ,letδy=|y- - y0 |→min ;theotherwastoletthefluctuationofi…  相似文献   

16.
IntroductionOpticalfibertechnologypresentsmanyatractiveposibilitiesintheareaofchemicalsensing.Theuseofopticalfiberalowssignal...  相似文献   

17.
1 IntroductionAccordingtoTaguchi’sphilosophyofquality ,thepurposeofmodernqualityengineeringistore ducethevariationofqualitycharacteristicsaroundtheirtarget.Thesmallerthevariation ,thebetterthequality .Theidealsituationisthatthevariationiszero .Ofcourse ,it…  相似文献   

18.
1 IntroductionForgingwillcausebigimpactorvibration ,whichwillaffecttheworkshopbuilding’ssafetythroughthepropagationofthefoundationandsoilintwoways.Oneistocauseunevensubsidenceofthebuilding’spillarfoundation .Theotheristocausethevibrationresponseofthebui…  相似文献   

19.
INTRODUCTIONContingencytheoryproposesthatthehumanresource(HR)systemofafirmshouldfitwellintotheoverallenvironmentandbusinessstrategyofthefirm (Schuler&Jackson ,1 987) [1 ] ,whilebestpracticetheoryarguesthatbundlesofbestHRpracticesconsistentlydeliverthebestoutc…  相似文献   

20.
1 IntroductionTheimportantcharacterthatgreenproductsdifferfromtraditionalproductsisusinggreenmateri als ,greendesignandmanufacture,andagreenpacket.Thegreenproductsarefriendlywiththeenvironment[1 3 ] .Itcanbetermed”greenlevel”toshowthefriendship .Thebasicappr…  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号