学科分类
/ 25
500 个结果
  • 简介:Intheestimationofseismictendency,usingGutenberg-Richter¢sb-valueandusingHurstexponentaretwocom-monlyusedmethods.Basedonthefractalgeometryofearthquaketimeseries,wepointoutthatthesetwomethodscorrelatetoeachother.IntheperspectiveoffractionalBrownianmotion(FBM),anearthquakesequencewithb>3/4andthatwithb<3/4havedifferentdynamicproperties.

  • 标签:
  • 简介:ThebvaluespectrumandηvaluebythemomentmethodToruOuchi(大内)DepartmentofEarthSciences,FacultyofScience,KobeUniversity,Kobe,657,...

  • 标签: b VALUE SPECTRUM MOMENT METHOD η
  • 简介:CalculationofbvalueanditsapplicationinearthquakepredictionHua-ChenDUAN(段华琛);Chang-QingFAN(范长青)andYue-MinXU(许跃敏)(Seismological...

  • 标签: b VALUE standardizing time DENSITY FACTOR
  • 简介:AmodelofseismicitywithfractalstructuresandapreliminarydiscussionontherelatiobetweenDandbvalueHat-KunJIANG(蒋海昆)andShou-ZhongDI...

  • 标签: 守中
  • 简介:CumulativefrequencybvaluewithoutupperboundmagnitudeanditsregressiondeterminationJian-WenSHEN(沈建文)(SeismologicalBureauofAnhuiP...

  • 标签: b VALUE earthquake RECURRENCE relation seismic
  • 简介:FuzzyIntervalValueLogicandFuzzyDistrbutedValueLogicTXFuzzyIntervalValueLogicandFuzzyDistributedValueLogicHeXinguiBeijingInstit...

  • 标签: : FUZZY LOGIC FUZZY INTERVAL VALUE
  • 简介:SufficientconditionsweregiventoassertthatbetweenanytwoBanachspacesoverK,Fredholmmappingsshareatleastonevalueinaspecificopenball.Theproofoftheresultisconstructiveandbaseduponcontinuationmethods.

  • 标签: 规则值 延续法 连续依赖定理 紧凑映射
  • 简介:ThepaperprovidesanapproachofvaluinganP&Dinvestmentopportunity.Theresultshowsthatwhentheinvestmentopportunityvalueisdependentsonthevalueofaproject,wecanuseNPVoftheprojectcompletedtovaluetheoptionofinvestmentotherthantousingofpartialdifferentialequation.Meanwhilethepaperoffersanalternativewaytofindtheoptimalinvestmentrule.

  • 标签: 投资机会 最佳投资规则 动态规划 NPV
  • 简介:MEANVALUEOFANALYTICOPERATORFUNCTIONSYuXiaopei(喻小培)(Dept.ofMath.,CentralChinaNormalUniversity,Wuhan430070,China)JianMing(蹇明)(D...

  • 标签: HILBERT space OPERATOR operator-valued function PROPER
  • 简介:HAKKA“FENGSHUIFORESTS”:THEIRPRESERVATIONANDVALUE¥ByNiGenjinTheHakkapeopleformanimportantanddistinctivecomponentoftheHannation...

  • 标签:
  • 简介:Asanimportambio-resource,insectresourceshavenotbeenputintofullplayashealthyfood.Basedonstudyandanalysis,thenutritivevalueofedibleinsectswasreviewed.Theresultsshowedthatinsectshaverichprotein(20%-70%),aminoacid(30%-60%),fat(10%-50%),fattyacid,carbonhydrate(2%-10%),mineralelements,vitaminsandotheractivatedelementswhicharegoodforhuman'shealth.Asproteinresources,thenutritivevalueofedibleinsectsisasgoodasanimalandplantresources.Insec...

  • 标签:
  • 简介:IntroductionDuringthelasttwodecadestherehavebeenremarkabledevelopmentsinEnglishlanguageteachinginChina.Withanever-increasingemphasisbeingputonthecommunicativecompetenceofthelearners,variousmethodsandtechniqueshavebeentriedtoimprovethestudents’abilitytocommunicateinEnglish.ThisarticlelooksatthevalueofusingWesternfeaturefilmstohelpstudentsdevelopthiscommunicativecompetence.

  • 标签: 多产
  • 简介:1IntroductionandPreliminariesItiswellknownthatthesmallestsingularvalueofamatrixisimportantinmatrixthoeryandapplications.VarahandQi,Johnsongavesomeresultsonlowerboundofthesmallestsingularvalue[1—4].Here,weusetheblockpartitionedformofamatrixtoob-taingeneralizedlowerboundsforσn(A).Furthermore,byscalingwithamatrixDweob-tainanewlowerboundforσAofmatriceswhicharenotpositivedefinitematrices.

  • 标签: 气包
  • 简介:Theexistenceanduniquenessresultsaboutquasilinearperiodicboundaryvalueproblemsareestablishedbyusingtheglobalinversefunctiontheoremandtheresultabouttheexistenceanduniquencessofperiodicsolutionsfortheperiodicboundaryvalueproblemofnonhomogeneouslinearperiodicsystem.

  • 标签: 周期边值问题 拟线性系统 存在性 唯一性