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Laser phototypesetting
Laser phototypesetting

IntroductionTheimagesetterconvertstheimagesandtextproducedinthecomputerfromelectricalsignalsintoopticalsignals,andthelaserbeamscansonthesilversaltfilm-exposure,Makethefilmgeneratelatentimage,completet...

Rainbow printing
Rainbow printing

ProcessintroductionItisbasedoncommercialpaperprintingrequirementsandcanprintmultiplecolorsatonce.Themaincolororbackgroundofthepatterniscomposedofdifferentcolors,butthecolorchangeoflinesorimagesisgradu...

leakage protector
leakage protector

ClassificationLeakagecurrentprotectorscanbeclassifiedaccordingtotheirprotectionfunctions,structuralfeatures,installationmethods,operatingmodes,numberofpolesandlines,actionsensitivity,etc.Herearemainly...

Encryption Algorithm
Encryption Algorithm

BriefintroductionAccordingtorecords,theancientGreeksinventedthesubstitutioncodein400BC.In1881,theworld'sfirsttelephonesecuritypatentappeared.DuringtheSecondWorldWar,theGermanmilitaryusedthe"Enigma"cry...

video
video

TechnicalintroductionVideousuallyreferstothestorageformatofvariousmovingimages,suchas:digitalvideoformats,includingDVD,QuickTime,andMPEG-4;andanalogvideotapes,includingVHSWithBetamax.Videocanberecorde...

Thought process
Thought process

OverviewofPsychologyAnalysisistodistinguishthecomponentsandindividualcharacteristicsofthingsthroughneuralactivity;whilesynthesisistodistinguishthecomponentsandIndividualcharacteristicsarelinkedandcomb...

Biological Engineering
Biological Engineering

DevelopmenthistoryChina'sbioengineeringindustrybeganintheearly20thcentury.TheCentralEpidemicPreventionDepartmentwasestablishedin1919.ThiswasChina'sfirstbioengineeringresearchinstitute.Itwasverysmall,w...

Safety accessories
Safety accessories

IntroductionDuetotheusecharacteristicsofpressurevesselsandthechemicalprocesscharacteristicsoftheinternalmedium,itisoftennecessarytosetupsomesafetydevicesandmeasuringandcontrolinstrumentsonthevesseltom...

Superconducting material
Superconducting material

TechnicalprincipleZeroresistanceWhenthesuperconductingmaterialisinthesuperconductingstate,theresistanceiszero,whichcantransmitelectricenergywithoutloss.Ifamagneticfieldisusedtoinduceaninducedcurrentin...

Old Tang Book
Old Tang Book

IntroductiontotheworkTheTangDynastyhasbeencompiledinalldynasties.SincethebeginningoftheTangDynasty,hehaswrittenthehistoryofthecountryonthebasisofactualrecords.ThemostfamousonesarewrittenbyWuJingandWei...

Brown University
Brown University

BasicinformationHistoryThecampusofBrownUniversityislocatedinProvidence,thecapitalofRhodeIsland.ItwasnamedRhodeIslandCollegewhenitwasfoundedin1764.ItwasaBaptistschoolthatonlyacceptedboys.Itwasclosedfor...

Social management
Social management

BasictasksThebasictasksofsocialmanagementincludecoordinatingsocialrelations,regulatingsocialbehavior,solvingsocialproblems,resolvingsocialconflicts,promotingsocialjustice,respondingtosocialrisks,maint...

measuring system
measuring system

FunctionAmeasurementsystemisacollectionofinstrumentsorgauges,standards,operations,methods,fixtures,software,personnel,environmentandassumptionsusedtoquantitativelymeasureorqualitativelyevaluatethemeas...

dial
dial

DefinitionDial-upisthemethodandprocessofusingtelephonelinestoconnecttotheInternet.Inordertousethedial-upmethodtoconnecttotheInternet,thehardwaredevicethatneedstobeequippedisamodem,whichisusedtoconvert...

Optical fiber technology
Optical fiber technology

CompletepowertransmissionfunctionU.S.Lariancompanysuccessfullycompletedthepowertransmissionfunctionusingopticalfiber,openingupanewwayinthepowerfield.Theyusesemiconductorlaserdiodesatthetransmittingend...

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