简介：Thispaperstudiesthelinkageproblembetweentheresultofhigh-levelsynthesisandback-endtechnology,presentsamethodofhigh-leveltechnologymappingbasedonknowledge,andstudiesdeeplyallofitsimportantlinkssuchasknowledgerepresentation,knowledgeutilityandknowledgeacquisition.Itincludes:(1)presentakindofexpandedproductionaboutknowledgeofcircuitstructure;(2)presentaVHDL-basedmethodtoacquireknowledgeoftechnologymapping;(3)providesolutioncontrolstrategyandalgorithmofknowledgeutility;(4)presentahalf-automaticmaintenancemethod,whichcanfindredundanceandcontradictionofknowledgebase;(5)presentapracticalmethodtoembedthealgorithmintoknowledgesystemtodecreasecomplexityofknowledgebase.Asystemhasbeendevelopedandlinkedwiththreekindsoftechnologies,soverifiedtheworkofthispaper.

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简介：Whenlocatingtheleakageofthermalfieldofacertaincontainer,itishardforustoevaluatetheleakagewithoneorseveralseparatethermalinfraredimages.Instead,panoramicimagerywithawidevisualangleandhighdistinguishabilityisalwaysneeded.However,wecanonlygetimagesforpartofthescenebecauseofthelimitedvisualfieldofthermographyandthelargesizeofthemeasuredobjectinpractical.Whatismore,thehardwarethatcanbeusedtogetpanoramicimagesisalwaysexpensiveandcannotbeusedinlargescale.Therefore,thispaperintroducesimagemosaictechnology,whichcanbeusedtogettheintactthermalinfraredimageofthemeasuredandincreasetheefficiencyofdetection.Theexperimentresultsdemonstrateitseffectiveness.

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简介：Theprinciplesandfeaturesofmicrowavesintering,theapplicationinrefractoriesandsynthesismethodsofZrB2arereviewed.ThesynthesisresultsofZrB2bythermitdeoxidatemethodshowthatproductionpriceofZrB2canbeeffectivelyloweredthroughmicrowavesynthesis.ItwillexpandtheapplicationofZrB2inrefractories.

简介：Separationtechnologyofrareearthelements(REEs),asthecriticalstepintheseparationprocess,hadlongbeenfraughtwithtechnicaldifficulty.AresearchprojectconductedbyBaotouShiboRareEarthExtraction&EquipmentCo.Ltd.,BaotouREEResearchInstitute,andBaotouSteel&REEGroupHi-TechCo.Ltd(InnerMongolia),hassuccessfullysolvedtheproblemusingacentrifugalextractorandadvancedtechniquestoachieveakeybreakthrough.ThekeydeviceofthewholeproductionlinecontainsCTL-500FBcentrifugalextractorsanddigitalflowsystemequipment.Employmentofanautomaticcontrollingsystemanditsfullyfunctionaloperationsystem,alongwithvarioussupportivefacilities,fulfilstheseparationprocessesforvariousrareearthmaterials.Comparedwithconventionalbox-typeseparationtechnology,thisnewapproachsignificantlyimprovesthestirringintensity,thusimprovingproduction

简介：Anintroductionoftheongoingtechnologyofargon-blowingpurgingplugsinChinawaspresentedinthiswork.Gelpowderswereusedasstartingmaterialstoenhancethehightemperaturemechanicalpropertiesofthepurgingplugs.Compositepurgingplugadoptingextrusionformedgas-purgingbarandslithaditssurfacestructuraldesignimproved,whichenhancedtheresistancestothermalshockandmoltensteelpenetration,prolongingtheservicelife.Inaddition,thesafetywasgreatlyimprovedbyupgradingtheframeworkandproductionprocess,enhancingtheresistancetobreakout.Itisindicatedthatthedevelopingtrendistoproducepurgingplugsoflongerservicelifeandbettergaspurgingratewithdifferentstartingmaterialsandstructuredesignstomeettherequirementsofvariousmetallurgicalprocesses.

简介：以便为汽油质量遇见需求升级，SINOPECAnqingBranch同伴与MGD技术翻新了DCC单位并且与MIP技术装备了FCC单位。当为他们的经济好处的最大化集中于他们的特定的特征和方法时，这篇文章以技术和经济在theMIP和DCC/MGD过程的商业申请上做分析和比较。

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简介：随着中国经济技术的飞速发展，我国的制造业也随之蓬勃发展，从最初的简单代工，发展到现在的独立自主研发，创新设计阶段。天津津才烧角机电科技股份有限公司自成立以来运营效益一直良好，我公司产品属于高科技产品，引进日本先进技术，消化吸收，填补国内空白，可谓“皇帝的女儿不愁嫁”。可是现在不同了，随着国内技术的进步，仿制产品的不断出现，价格呈现不断下跌的走势，市场份额不断被蚕食，个人认为这其中最主要的原因就是公司市场定位不清晰，对于不断涌现的新品牌疲于应付，没有系统的考虑产品的市场定位。

简介：Alongwiththedevelopmentofinformationandcommunicationstechnology,openeducationalresourceswerewidelyappliedintrainingusage.Theuseoftheseresourcesfacilitatestheaccesstoknowledgebyenablinglearnerstotranscendtimeandspace.Inthisway,learnersareabletoobtainnewknowledgemoreactivelyandefficientlythanbefore.UsingTechnologyAcceptanceModel(TAM)asthetheoreticalfoundation,thisstudyaimstoexplorethelearningoutcomeofusingopeneducationalresourceswiththeperceivedconvenienceastheexternalvariable.Inthisstudy,theopeneducationalresourcesweredefinedasonlinecoursesontheOpenCourseWare(OCW)andMassiveOpenOnlineCourses(MOOCs),onwhichthelearnerschoosecoursesthemselvesandstudywithouttheimpactfrompeople,matters,time,space,andthingswiththehelpoftheInternet.Toachievetheobjectivesofthestudy,theresearchersconductedasurveywiththeparticipantswhohadalreadyusedtheopeneducationalresources.Intotal,124validsampleswerecollected.ThePartialLeastSquares(PLS)statisticalmethodwasusedtocarryouttheanalysis.Overall,themodelofthisstudyhasgoodpredictionandexplanatorypower.Afterthedataanalysis,thestudyfoundthattheperceivedconvenienceexertsapositiveimpactontheuseoftheopeneducationalresources.Inaddition,amongthefourTAMvariables,theperceivedusefulnessdoesnotexertasignificantimpactonthebehavioralintentiontouse,buttheotherthreeTAMvariablesallhaveasignificantimpactonthebehavioralintention.

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简介：ProblemsaboutsurfacemountingprocessforfinepitchdevicesandreasonsonsolderbridgingofLtypeleaddevicesweldedaredepicted.Bridgingmechanismandinfluencefactorsareanalyzedwithtwo-dimensionalgeometricmodel.Basedonthis,high-densitysurfacemounttechnology(SMT)forfinepitchLtypeleaddevicesheatedbyscan-ninglaserisraised.SurfacemountprocessforQFP208onprintedcircuitboard(PCB)isstudied.Theresultsoftestsarethatitisquitepossibletosolvethesolderbridgingofsurfacemountingforpitchdeviceswithscanninglaser-heat-ingmethod.

简介：TheSinopecCorp.hassignedwiththeShandongLongliBiologicalTechnologyCo.,Ltd.ofYuchencityancooperativeagreementoncelluloseethanolproduction,confirmingthatSinopecCorp.willdesignatetheShandongLongliCo.asthecertifiednationalunitformanufactureof

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