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Damper
13/02/2022 1325
Damper

Synonym:CementgenerallyreferstodampingsheetIntroductionCharacteristicsintroductionThedampingsheetmadeofpolymermaterialsorrubbermaterialshasstablephysicalandchemicalpropertiesandexcellentvibrationreduc...

National Economic and Social Development Plan
12/02/2022 1019
National Economic and Social Development Plan

SynonymousnationaleconomicplangenerallyreferstothenationaleconomicandsocialdevelopmentplanBasicintroductionIn1982,accordingtotheregulationsoftheStatePlanningCommission,thenationaleconomicplanwaschange...

graphic system
12/02/2022 1224
graphic system

CompositionHardware:GraphicsI/OdeviceGraphicssoftware:generalprogrammingsoftwarepackage,specialapplicationsoftwarepackageGeneralcategory:Providesanextendedsetofgraphicsfunctionsthatcanbeusedinhigh-lev...

Object-oriented database
11/02/2022 1207
Object-oriented database

IntroductionObject-orienteddatabasesystem(OODBS)supportsthedefinitionandoperationofOODB,andshouldmeettwostandards:first,itisadatabasesystem,andsecond,itisalsoanobject-orientedsystem.Thefirststandardis...

Distinguished Professor
11/02/2022 1117
Distinguished Professor

ApplicationrequirementsGenerally,doctorsarerequiredtoworkinthefrontlineofteachingandresearch.Inprinciple,naturalsciencesshouldbeunder45yearsold,andhumanitiesandsocialsciencesshouldbeunder50yearsoldinp...

information security
10/02/2022 1260
information security

Securityissues1.PersonalinformationisnotcollectedinastandardizedmannerAtthisstage,althoughthelifestyleissimpleandfast,therearemanythingsbehindit.Informationsecurityrisks.Forexample,fraudulentphonecall...

Optic nerve
10/02/2022 1495
Optic nerve

OverviewTheopticnerveisthenervefiberoftheretina.Startingfromtheganglioncellsoftheretina,thenervefibersreachtheblindspotandthenpassthroughtheethmoidlayerofthescleratobecometheopticnerve.Theopticnerveis...

Safety glass
09/02/2022 1462
Safety glass

SafetyglassExampleintroductionOnthenightofFebruary9,1998,GeorgianPresidentShevardnadzewasonhiswayhomeinaMercedes-Benzcar.Suddenly,Morethan20killerssprangfromthedenseforestunderthedarknight,shootingfra...

Dynamic routing
09/02/2022 1266
Dynamic routing

BriefintroductionDynamicroutingisaconceptoppositetostaticrouting.Itmeansthatrouterscanautomaticallyestablishtheirownroutingtablebasedonthespecificroutinginformationexchangedbetweenrouters,andcanbebase...

Movable type
08/02/2022 4593
Movable type

OriginTheideaof​​printingwithmovabletypehasbeenaroundforalongtime.QinShihuangunifiedthenationwideweightsandmeasures,andtheedictoffourcrosseswasprintedonpotterywithwoodenstamps,archaeologistsHebelieves...

Silicon nitride
08/02/2022 1343
Silicon nitride

HistoryHenryEdinSt.ClairDevilleandFriedrichWeilerfirstreportedthesynthesisofsiliconnitridein1857.Inthesynthesismethodtheyreported,anothercruciblefilledwithsiliconwasburiedinacruciblefilledwithcarbonan...

Thin layer chromatography
07/02/2022 1165
Thin layer chromatography

IntroductionThinlayerchromatographyismostcommonlyusedasadsorptionchromatography.Commonlyusedadsorbentsaresilicagel,alumina,etc.Thin-layerchromatographyisthesameasotherchromatographicmethods.Inaddition...

Point-to-point transmission
07/02/2022 1295
Point-to-point transmission

IntroductionApurepeer-to-peernetworkhasnoconceptofclientorserver,onlyequalnodesatthesamelevel,andatthesametimeactsasaclientandserverforothernodesonthenetwork.Thisnetworkdesignmodelisdifferentfromthecl...

Bai Yu Jing
06/02/2022 1214
Bai Yu Jing

Introduction"HundredParables",theoldtitle"HundredParables",fourvolumes(orfivevolumes),isaworkthatusesallegoriestoapologize.ThisbookisacollectionofIndianSanghainthefifthcentury.Attheendofthebookistheau...

Anti-counterfeiting
06/02/2022 1271
Anti-counterfeiting

ConceptAnti-counterfeitingreferstoameasuretakenproactivelytopreventcounterfeitingasameanstoimitate,copy,orforgeandsellotherpeople’sproductswithoutthepermissionofthetrademarkowner.EvolutionTheanti-coun...