简介:growth.According ,China’s ,growth. 
简介:摘 要:编程是信息技术学习中不可或缺的一部分,将学习的理论知识编写成代码,进而转换为成品。Visual Basic 是一款可视化的编程软件,作为苏科版初中信息技术课程的重要学习软件,操作简单,且所编即所得,对于初中阶段刚刚接触编程的学生是最佳选择。并且密码破解一直以来是学生非常感兴趣的知识点,将密码破译作为Visual Basic项目式学习的其中一个任务,可以达到更好的效果,本文就提出运用Visual Basic对栅栏密码进行加密解密的教学设计。
简介:Thepeculiarattributesofmusclesthatarestretchedwhenactivehavebeennotedfornearlyacentury.Understandably,thefocusofmusclephysiologyhasbeenprimarilyonshorteningandisometriccontractions,aseloquentlyrevealedbyA.V.Hillandsubsequentlybyhisstudents.WhentheslidingfilamenttheorywasintroducedbyA.F.HuxleyandH.E.Huxley,itwasarelativelysimpletasktolinkHill'smechanicalobservationstotheactionsofthecrossbridgesduringtheseshorteningandisometriccontractions.Incontrast,lengtheningoreccentriccontractionshaveremainedsomewhatenigmatic.Dismissedasnecessarilycausingmuscledamage,eccentriccontractionshavebeenmuchmoredifficulttofitintothecross-bridgetheory.Therelativelyrecentdiscoveryofthegiantelasticsarcomericfilamenttitinhasthrustapreviouslymissingelementintoanydiscussionofmusclefunction,inparticularduringactivestretch.Indeed,theunexpectedcontributionofgiantelasticproteinstomusclecontractilefunctionishighlightedbyrecentdiscoveriesthattwitchin-actininteractionsareresponsibleforthe"catch"propertyofinvertebratemuscle.Inthisreview,weexamineseveralcurrenttheoriesthathavebeenproposedtoaccountforthepropertiesofmuscleduringeccentriccontraction.Weaskhowwelleachoftheseexplainsexistingdataandhowanelasticfilamentcanbeincorporatedintotheslidingfilamentmodel.Finally,wereviewtheincreasingbodyofevidenceforthebenefitsofincludingeccentriccontractionsintoaprogramofmusclerehabilitationandstrengthening.
简介:Oneofthemajordesiresofeverynationistodrasticallyreduceilliteracyespeciallyinthismodernsocieties.Thisisbecauseeducationisoneofthevitalindiciesusedinthemeasurementandcategorizationofnationsasdevelopedordeveloping.TheUniversalBasicEducation(UBE)Schemewasplannedtobringaboutpositivechangeintheeducationalsystemthroughquality,functional,andfreeeducation,butthisdreamhasmetbottlenecks,barriersthroughhighenrollmentwithinadequateclassroomspace,lackoflaboratories,dilapidatedinfrastructure,employmentofunqualifiedteachers,lackoffund,thesehaveamongothershinderedthegoodimplementationoftheprogramme.ThearticleassessedtheeffectivenessandimplementationofUBEPolicyforEducationDevelopmentinNigeriabyreviewingpastresearch/literaturetodeterminetheefficacyofUBEprogrammeinstudentenrollment,financingstrategies,governmentandinstitutionalinvolvementprogram,schoolfacilitiesprovisionandmanagement,andteacherinvolvement.Conclusionwasgivenbasedontheliteraturereviewed.Lastly,thearticleaddedtotherecommendationthat,foreffectivemanagementandimplementationoftheUBE,thereisneedoffullparticipationandcooperationfromthepublic,professionals,andthegovernment.Thegovernmentshouldbeopentoideasandallowthefreeroleandparticipationofeducationalspecialist.
简介:VisualBasic具有较强的数据库开发能力。本文首先讨论了VisualBasic中常用的数据库访问技术,然后详细介绍了ActiveX数据对象(ADO)的数据库开发方法。
简介:Background:Acentralaimofphysicaleducationisthepromotionofbasicmotorcompetencies(inGerman:MotorischeBasiskompetenzen;MOBAK),whichareprerequisitesforchildren’sactiveparticipationinsportsculture.ThisarticleintroducestheMOBAK-1testinstrumentfor6-to8-year-oldchildrenanddeterminestheconstructvalidityofthistestinstrument.Inaddition,therelationshipbetweenMOBAKandmotorability(i.e.,strength)aswellasbodymassindex(BMI),sex,andageisinvestigated.Methods:Weanalyzeddataof923firstandsecondgraders(422girls,501boys,age=6.80±0.44years).Thechildren’sbasicmotorcompetencieswereassessedbytheMOBAK-1testinstrument.Besidesanalysesoffrequency,correlation,andvariance,3confirmatoryfactoranalyseswithcovariateswereperformed.Results:Wefound2MOBAKfactorsconsistingof4itemseach.Thefirstfactor,locomotion,includedtheitemsbalancing,rolling,jumping,andsidestepping;thesecondfactor,objectcontrol,includedtheitemsthrowing,catching,bouncing,anddribbling.Themotorabilitystrengthhadasignificantinfluenceonthefactorslocomotion(b=0.60)andobjectcontrol(b=0.50).Olderpupilsachievedbetterresultsthanyoungerpupilsonobjectcontrol(b=0.29).Boysperformedbetteronobjectcontrol(b=-0.44),whereasgirlsachievedbetterresultsinlocomotion(b=0.07).PupilswithahighBMIachievedlowerperformanceonlyonthefactorlocomotion(b=-0.28).Conclusion:TheMOBAK-1testinstrumentdevelopedforthisstudymeetspsychometricvaliditydemandsandissuitabletoevaluateeffectsofsportsandphysicaleducation.