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Smart contract
22/04/2022 1380
Smart contract

IntroductiontothetermTheterm"Smartcontract"canbetracedbacktoatleast1995andwasproposedbytheprolificcross-fieldlegalscholarNickSzaboof.Hementionedtheconceptofsmartcontractsinseveralarticlespublishedonhi...

Intercontinental ballistic missile
21/04/2022 1299
Intercontinental ballistic missile

BasicinformationGenerallyspeaking,therangeofintercontinentalballisticmissilesshouldbeatleast5500-8000kilometers.Intercontinentalballisticmissilesaregenerally(butnotnecessarily)equippedwithanuclearorth...

Registration error
21/04/2022 1107
Registration error

Reasons1.Theerrorscausedbythelimitationofmeasurementmethodsaredifficulttobeabsolutelyinlinewithreality.2,Errorscausedbylogin,calculation,copying,summaryerrors,falsereportsbytheinvestigatorortheinvesti...

teacher
20/04/2022 1513
teacher

InterpretationHistoricalInterpretationPeoplewhoteachculture,song,opera,martialartsandotherskills.ThethirdfoldofZhangGuobin's"LuoLilang"inYuanDynasty:"Everyonesaysyouareateacher,andeverybodysaysyouarea...

Packet switching network
20/04/2022 1274
Packet switching network

OverviewPacketSwitchingNetworkThepacketswitchingnetworkisthebasicnetworkofdatacommunication,andvariousvalue-addedservicescanbedevelopedusingitsnetworkplatform,suchas:e-mail,Electronicdataexchange,visu...

NFC mobile phone
19/04/2022 1545
NFC mobile phone

ApplicationmodeCardmodeThismodeistosimulateadevicewithNFCfunctionasacontactlesscard,suchasaccesscontrolcard,bankcard,etc.Thecardsimulationmodeismainlyusedinnon-contactmobilepaymentapplicationssuchassh...

Tree structure
19/04/2022 1598
Tree structure

OverviewTree structure refers to a data structure with a "one-to-many" tree relationship between data elements, and is an important type of non-linear data structure. In the tree structure, the root n...

Refractory brick
18/04/2022 1394
Refractory brick

IntroductionRefractorybricksarereferredtoasfirebricks.Refractorymadeoffire-resistantclayorotherrefractorymaterials.Paleyelloworbrown.Mainlyusedforbuildingsmeltingfurnaces,itcanwithstandhightemperature...

Type test
18/04/2022 1400
Type test

InspectionmethodProductsthathavepassedthetypetest,usuallyinoneofthefollowingsituations,shouldgenerallybetypetested,ortheycanbetypetestedaccordingtotheactualsituationoftheproduct:a)Trialtypeinspectiono...

MMS
17/04/2022 1397
MMS

IntroductionMMSisnotactuallyashortmessagetechnically,butwiththesupportoftheGPRSnetwork,theWAPwirelessapplicationprotocolisusedasthecarriertotransmitinformationsuchaspictures,soundsandtexts.TheMMSservi...

Engraving
17/04/2022 1456
Engraving

HowtoprintabookWhenprintingabook,firstdipabrushintheink,brushitonthecarvedboard,andthencovertheboardwithwhitepaper.InadditionTakeacleanbrushandlightlybrushitonthebackofthepaper,takethepaperoff,andapag...

Safety clutch
16/04/2022 1438
Safety clutch

IntroductionThesafetyclutchismainlyusedfortheoverloadsafetyprotectionofthetransmissionsystem.Ofcourse,italsohasthecorrespondingclutchcharacteristicsofitsengagingelements.Designingorselectinganappropri...

Silane
16/04/2022 1532
Silane

PhysicalandchemicalpropertiesBasicphysicalproperties1.Properties:colorlessgas,disgustingsmellofgarlic.2.Density(g/L,0°C):1.443.Relativevapordensity(g/mL,air=1):1.24.Meltingpoint(ºC):-1855.Boilingpoint...

Sensor potential
15/04/2022 1278
Sensor potential

IntroductionIfthenervefiberproducesanimpulsetowardthecenterduetothispotentialchange,itisspecificallycalledageneratorpotential.Researcher'sexplanationAccordingtosomeresearchers,thereceptorpotentialrefe...

Technology market
15/04/2022 1424
Technology market

OverviewTechnologymarketoverviewTechnologymarket,acomponentofthemarketsystem.Thecommoditiesexchangedinthetechnologymarketappearintheformofknowledge.Itisaspecialkindofcommodity,withmultiplemanifestatio...