简介：Thereisalonghistoryoffailureininternationalcooperationinmedicalequip-menttechnology.IFMBEandJSMEBEhavemadegreateffortstoremedythesitua-tion.Recently,JSMEBEisaskedbyJapaneseGovermenttoprovideaguidelinefortheactivities.Acommitteewasformedfor3years,andasaresultofextensivesur-veystudiesbyquestionaries,interviewsandcorrespondences,thefinalguidelinewaspublished(inJapanese)March1993.Itisavailableonrequest,andEnglishtransla-

简介：Chitinisoneofthemostabundantnaturalresources.chitosanisdeacetylatedfromchitin.Asnaturalorganisms,chitosaniseasiertobedecomposedwithorganismsandeatable.Sochitosaniswildlyusedinbiology,medicine,foodstuff,cosmeticsandsoon[1,2]Chitinisasortofnaturalglucosaminecompoundwithwealthyresources,butalargeamountofchitinispreparedfromcrabshellandcrayfishshell.Someresearchworkshavecarriedonthepreparationofchitosanfromotherresources,suchassilkwormpupa,wastemyceliaetc.[3,4]

简介：Anewmethodforirisidentificationbasedonmultiwaveletsisproposed.Bymeansofthepropertiesofmultiwavelets,suchasorthogonality,symmetry,vanishingmomentsandapproximationorder,theiristexturecanbesimplypresented.Abriefoverviewofmuhiwaveletsispresentedatfirst.Irisidentificationsystemandiristexturefeaturepresentationandrecognitionbasedonmultiwaveletsareintroducedsubsequently.Andtheexperimentindicatesthevalidityofthismethodfinally.

简介：ThispaperintroducesthecurrentsituationofdomesticfurnitureproductionaswellasworldfurnitureCADproducts,putsforwardthenecessityofdevelopingadedicatedCADsystem_WFCADanditsmainfunctions,Itanalyzesindetailtheappliedtechnologyandkeytechniques,includinggeometricmodeling,assembly,jointdesign,databaselinkingandmanagement.TheapplicationofWFCADinfurnituremanufacturingenterprisesanditsfurtherimprovementareoutlined.

简介：<正>From10-19OctobertheBritishDesignCouncil’sinternationaltouringexhibitionGreatExpectationswillvisitOrientalPlazainBeijing.GreatExpectationsshowcasesover100examplesofworld-leadingtechnologyanddesignfromtheUK.Theconceptoftheexhibitionechoestheinnovationitprojects.GreatExpectationshasbeendesignedaroundtheideaofafeast,whereiconsofinnovationaresetoutonavastglowingtablearoundwhichguestscanwanderortakeaseat.

简介：

简介：

简介：-Thisarticlebriefshowtoimprovetheholdingpowerofadrillingvessel’sanchorandtoremovethoseunreasonablestructuresbysuchatechnology-underwater-explosiontechnology.Thearticlegivesdetailsofthestructure,characteristicsandapplicationsofarocket-launchedanchor;aswellastheprinciple,properties,applicationsofdirectionalexplosioncutting.

简介：

简介：

简介：

简介：

简介：JournalofElectronicScienceandTechnology(JEST)ispublishedquarterly.Alloriginalcontributionsarewelcomedwhichrelateadvancesorstate-of-the-artachievementsinelectronicscienceandtechnology,includingcommunicationssystemsandnetworks,signalprocessing,informationandimageprocessing,circuitsandsystems,microelectronics,electronicdevicesandmaterials,computerscience,microwavetechnology,physicalelectronics,optoelectronics,mechatronics,controlandautomation,electronicswithlifescience,andnewapplicationsofelectronics.Submissionofamanuscriptamountstoassurancethatithasnotbeencopyrighted,publishedofacceptedforpublicationelsewhere,thatitisnotcurrentlybeingspeciallypreparedforpublicationinthisJournalandsubmittedelectronicallybye-mailtojournal@uestc.edu.cn.

简介：Thispaperdescribesthebenefits,technicaldifficultiesanddisadvantagesofthecurrentheavyreductionsolutionsforplateproduction.Forupdatedplatemills,thispapergivesabetterideafortheheavyreductioncontrolintherollingprocess.Thatistokeepthereductionamountconstantinthefront-endandback-endsectionsoftheplateandtoadopttaperedrollingwithvariablereductioninthemiddlesectionoftheplate.Thissolution(alreadyappliedforapatent)cannotonlyfullyutilizethecapacityofthemillmotors,butalsopreventdifficultiesinplatebitingcausedbytheconventionalheavyreductionsolutionswithexcessivedraft.Thistechnicalsolutionhasbeenimplementedatthe5mplatemillplantofBaosteel,andindustrialtestshaveprovedthefeasibilityofit.Thispaperpresentsandanalyzestheindustrialtestdataandprovesthatthetaperedheavyreductiontechnologycanreducethenumberofrollingpasses.Inaddition,thispaperlooksforwardtothefutureresearchinthisarea.

简介：Weproposeadepolarizerbasedontheprincipleofacollectionofhalf-waveplateswithrandomlydistributedopticaxes.Thedesignisdemonstratedbymeansofdynamicallyphotopatterningliquidcrystalintorandomlyalignedhomogeneousdomains.Wecharacterizetheliquidcrystaldepolarizerfor1550nmandC-band(1520–1610nm).Adegreeofpolarizationoflessthan5%isobtainedforanylinearlypolarizedlight.Thisstudyprovidesapracticalcandidateforhigh-performancedepolarizers.

简介：~~

简介：Basedonthetraditionalwayofabalonebreeding,thetechnologicalprocessofindustrialabalonebreedingsuitableforthecoastalareasofsouthernChinahasbeendeveloped.Theprocessissimpleandeasytohandle,andresultsinahighyieldofyoungabalonesafterbeingapplied.

简介：Throughout30yearsofimportation,adoptionandinnovation,theColdRollingPlantofBaosteelhasadheredtoamarket-orientedstrategy,andgraduallyexpandeditsoutputandraiseditstechnicallevelthroughtheexpansionofproductionscale,theoptimizationofproductionlines,thedevelopmentofhighaddedvalueproducts,theimprovementofproductquality,environmentallyfriendlymanufacturingandtechnologicalinnovation.Inthisway,theplanthasdevelopedintoaworldclasscoldrollingplantthatproducescutting-edgeeconomicandtechnicalindices.

简介：ThispaperreviewsthepresentdevelopmentsituationofrefractoriesforironmakingsysteminChina,whichincludesblastfurnace,hotblaststoveandcokedryquenching,etc.VarietiesandperformancesofrefractoriesusedbythetopsteelandirongroupssuchasBaosteel,WuhanI&SGroupandAnshanI&SGroupforironmakingwereexemplifiedandconcernedproblemswereanalyzed,togetherwithsolutionsandsuggestionsforfuturerefractoriesR&Dwork.

简介：若问2011年美剧中最火的人物是谁？那一定非那位喜欢叠穿两件T恤的科学宅男谢耳朵莫属了。来和我们一起了解一下这部让谢耳朵爆红的《生活大爆炸》和剧中谢耳朵任教的世界名校加州理工学院吧!