学科分类
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10 个结果
  • 简介:Inordertostudytheapproximationbyreciprocalsofpolynomialswithrealcoefficients,onealwaysassumesthattheapproximatedfunctionhasafixedsignonthegiveninterval.Sometimes,theapproximatedfunctionispermittedtohavefinitesignchanges,suchasl(l≥1)times.ZhouSongpinghasstudiedthecasel=1andl≥2inLpspacesinorderofpriority.Inthispaper,westudiedthecasel≥2inOrliczspacesbyusingthefunctionextend,modifiedJacksonkernel,Hardy-Littlewoodmaximalfunction,Cauchy-Schwarzinequality,andobtainedtheJacksontypeestimation.

  • 标签: 倒数逼近 正系数多项式 JACKSON型估计 ORLICZ空间 实系数多项式 近似函数
  • 简介:GonewiththeWind,themasterpieceoftheMargaret,Mwhohasspentabouttenyearsonwritingthisnovelandittakesoverhalfayearofhertoverifythespecifictimeandplaceoftheinvolvedhistoricalevent.OncethemasterpieceispublishedonJune30,1936,itsoonbrokeseveralrecordsinsalesofAmericanpublishing;later,itwontheprizeofPulitzerandAssociationofAmericanpublishers.Whiletheleadingladyofthisnovel,Scarlett,becomeanobjectofadmirationamongthousandsofpeople.Whatattractthereaderséyesdeeplyisheruniqueorigin,outstandingfeaturesandnobleactions.Inthemeantime,thecharmingpersonalityofMargaret’sScarletthasconqueredus.Sheisstrongtothedifficulties;sheispersistenttoherlove;andsheiswittytoherfamily.Sheisthestrongestamongthepeoplewhohasenduredthehardshipashernomattershehassufferedfromthewar,thepoorandleavingherfamily.WhatmakesherberesponsibletotheTaylorManorisherbraveness.Attheendofthestory,shestilltellsus:tomorrowisanotherday!Weadmireherpositiveattitudetolife,andthisiswhythefemalecharactercanbeeverlasting.

  • 标签: Scarlett’s CHARACTER POSITIVE PERSONALITY
  • 简介:AsquarerootfunctionalequationonpositiveconesofC*-algebrasisintroducedanditssolutionandHyers-Ulam-Rassiasstabilityareinvestigated.

  • 标签: 函数方程 平方根 正锥 稳定性
  • 简介:在LHT模型的过程tch,e+eb,e+ebh和ppb上的风味变化效果在这份报纸被调查。我们从T同等值奇怪的镜子费米子和计量器波色子计算一个环水平贡献。结果证明最高的夸克在LHT模型的稀罕腐烂tch能显著地在SM相对那被提高。在在LHT模型的线性colliders的b生产能非常提高SM生气的节并且在在实验允许的一些参数空格到达0.1fb。但是重计量器波色子和镜子费米子环有小贡献到过程ppb和e+ebh。e+eb上的LHT效果可能因此在未来被检测线性colliders,当为e+e被看太小时,bh和ppb在未来处理线性colliders和LHC。

  • 标签: HIGGS模型 顶夸克 生产 直线对撞机 规范玻色子 奇偶
  • 简介:在米饭的Phytochromes被由三个成员,PHYA,PHYB,和PHYC组成的一个基因家庭编码。通过以photomorphogenesis描绘phytochrome异种和野类型(WT),单个phytochromes的角色preliminarily在调整米饭de青白化,flowering时间和富饶被探索了。然而,很少信息都没关于是否或怎么被报导phytochromes在米饭影响叶绿素生合成和叶绿体开发。在这研究,我们比较了野类型和phyA的叶绿素内容,在任何一个白人光(WL)下面成年或红的phyB和phyAphyB异种点亮(R)。结果建议phyB察觉R断然调整叶绿素生合成,当phyA的角色能仅仅在phyB缺乏的异种被检测时。涉及叶绿素生合成的基因的表示层次的分析表明phytochromes由调整protochlorophylloxidoreductaseA(PORA)影响了叶绿素生合成表示。在叶绿体开发的phyB的角色也被分析,并且结果建议phyB察觉R由影响叶绿体和grana的数字调整叶绿体开发,以及叶绿体膜系统。

  • 标签: 叶绿体发育 叶绿素合成 光敏色素 色素突变体 基因家族 生物合成
  • 简介:StudiesontheZnO/La0.5Pr0.2Sr0.3MnO3(LPSMO)/SrNb0.002Ti0.998O3(SNTO)heterostructurehavingvaryingthicknessofp-typeLPSMO(100nm—LP1)and(200nm—LP2)manganitearecarriedout.ZnO/LPSMO(n—p)andLPSMO/SNTO(p—n)junctionsofboththeheterostructuresexhibitgoodrectifyingbehaviorinawiderangeoftemperatureandappliedfield.Forwardandreversebiascharacteristicsofboththejunctionsofheterostructuresshowoppositebehavior.Theobservationofnegativemagnetoresistance(MR)at5KandpositiveMRat300K,inboththeheterostructures,hasbeenexplainedinthecontextofinterfaceregioneffectsandfillingofenergybandsofLPSMOmanganite.Further,athightemperature,theheterostructuresexhibitlargetemperature(46%K-1)andfield(40%T-1)sensitivities.Dependenceoftransport,magnetotransport,I—Vandsensingpropertiesoftheheterostructures,onthetemperature,fieldandfilmthicknesseshavebeendiscussedinthiscommunication.

  • 标签: 异质结构 磁场灵敏度 锰氧化物 正温度 MR SNTO