简介:Inthispaper,wegivesomeresultsforcheckingthemeasurabilityoffunctionalofempirtcalprocesses,theirdirectapplicationsconcernwiththemeasurabilityofstatis-ticsconstructedbyProjectionPursuittechnique,thustheresultsobtainedprovideabasisintheoryforprojectionpursuitstudy.
简介:本文并非是一个系统性的FP教程。仅仅是揭示了FP背后的一些数学道理.介绍与之相关的一些有趣话题,我相信您一定能从文章中有所收获。本文的例子主要使甩Python解说。不过即使您不懂Python,稍微耐心一些也可以看懂。
简介:<正>REPLACEMENTPATTERNSOFGEOTECTONICUNITSLiYuping(Dept.ofChemicalScienceandEngineering,HunanUniv.,Changsha,China,410082)replacementpattern,geotectonicunit,DiwatheoryBaseupontheDiwatheoryandthestudiesofevolutionprocessofgeotectonicunits,thispaperhasadvancedthattherearemanyreplacementpatternsofthegeotectonicu-nitsintheirevolutionprocess.Therearethreereplacementpatterns(eg.suddenchange(nor-mal)pattern,gradualchangeandprogressivepattern)duringtheplatformregionsubstitutesthegeosynclinalregionandthreereplacementpatterns(eg.normalpattern,surpassivepatternandprogressivepattern)whentheDiwaregiondevelopsfrompre-Diwaregions.Theknowl-edgeoftheseregularityisofimportantsignificanceforustodeeplystudytheevolutionofgeo-tectonicunitandthedevelopmentofthecrust.
简介:知识与技能1.重点词组hourafterhour一小时又一小时,连续multiply…by………乘以……preferto…ratherthan…宁愿……而不愿……ratherthan宁可;是……而不……forthesizeofthecountry相对这个国家的容量
简介:Genomicspromisestoenrichtheinvestigationsofbiologyandbiochemistry.Currentadvancementsingenomicshavemajorimplicationsforgeneticimprovementinanimals,plants,andmicroorganisms,andforourunderstandingofcellgrowth,development,differentiation,andcommunication.Significantprogresshasbeenmadeintheunderstandingofplantgenomicsinrecentyears,andtheareacontinuestoprogressrapidly.Functionalgenomicsoffersenormouspotentialtotreeimprovementandtheunderstandingofgeneexpressioninthisareaofscienceworldwide.Inthisreviewwefocusonfunctionalgenomicsofwoodqualityandpropertiesintrees,mainlybasedonprogressesmadeingenomicsstudyofPinusandPopulus.Theaimsofthisreviewaretosummarizethecurrentstatusoffunctionalgenomicsincluding:(1)Genediscovery;(2)ESTandgenomicsequencing;(3)FromESTtofunctionalgenomics;(4)Approachestofunctionalanalysis;(5)Engineeringligninbiosynthesis;(6)Modificationofcellwallbiogenesis;and(7)Molecularmodelling.Functionalgenomicshasbeengreatlyinvestedworldwideandwillbeimportantinidentifyingcandidategeneswhosefunctioniscriticaltoallaspectsofplantgrowth,development,differentiation,anddefense.Forestbiotechnologyindustrywillsignificantlybenefitfromtheadventoffunctionalgenomicsofwoodqualityandproperties.
简介:Thepurposeofthisstudyistoinvestigatedifferentfactorsoftheartifactinsurfaceelectromyography(EMG)signalcausedbyfunctionalelectricalstimulation(FES).Thefactorsinvestigatedincludethesizeofstimulationelectrodepads,theamplitude,frequency,andpulsewidthofthestimulationwaveformandthedetectingelectrodepoints.Wecalculatetherootmeansquare(RMS)ofEMGsignaltoanalyzetheeffectofthesefactorsontheM-waveproperties.TheresultsindicatethattheM-wavemainlydependsonthestimulationamplitudeandthedistributionofdetectingelectrodes,butnotontheotherfactors.Thisstudycanassistthereductionofartifactandtheselectionofdetectingelectrodepoints.