简介:1.IntroductionLetXbeavectorspace,Ybeatopologicalvectorspace,Zbealocallyconvexspace,andletthetopologicaldualspacesofYandZbedenotedbyY*andZ*,respectively.LetCbeapointedconvexconeinYandKbeaclosedconvexpointedconeinZ.ThedualconesofCandKaredefinedasrespec...
简介:Inthispaper,theinfluencedepthsofalllevelsofwindpowerproducedwavesarereckonedaccordingtothemeasuredswayingdegreewhenasubmarinemeetswithaforce11strongtropicalstormandhastosubmerge;Thentheminimumsubmergencedepthisgivenwhenasubmarineisfacedwithweathersystemswithforce≥6windandtheswayingdegreeoflessthan12degreeisassuredasreferenceforasubmarineworkingandsailinginbigstrongwindsandwaves.
简介:LetAandBbeC^*-algebras,SupposethatKisthealgebraofallcompactoperatoraonaseperableHilbertspace,andαisanactiononthestablealgebraκ×AinducedbySU(∞).ItisprovedthatifAisα-invariantstableisomorphictoB1thenthereisa^*-isomorphismbetweenAandB.AnanalogousresultisobtainedbyconsideringOn×κ×Aintheplaceofκ×A,whereOnistheCuntsalgebra(3≤n<∞)。
简介:重点词汇1.beginv.(began)开始I’llbeginwheneveryou’reready.你什么时候准备好我就开始。常用结构:begintodosth与begindoingsth一般来说,begintodo和begindoing可以互换。2.heavilyadv.在很大程度上;大量地Myfathersmokesheavily.我父亲抽烟很凶。注意:形容雨、雪下得大用heavily或hard。Itrainedheavily,sohedidn’tgotoworkyesterday.雨下得很大,因此他昨天没去上班。
简介:摘要时间状语从句是初中英语学习的重点,也是必考点,而when与while引导的时间状语从句是八年级学生学习的重难点,本文从状语从句的含义入手,通过简单、通俗、易懂的实例,从三个方面对when与while引导的时间状语从句作了区分和比较。
简介:Currentliteraturesassumethataconsumer’swillingtopay(WTP)forabundleisequaltothesumofhisorherseparatereservationpricesforthecomponentgoodsandconcludesthatmixedbundlingissuperiortopurecomponentsinamonopolymarket.However,fullmixedbundlingisadiscountconductinordertoattractmoreconsumers,andthepriceofthebundlemustbelowerthanthesumofthepricesoftwoproducts,whichmustbeconsideredinaconsumers’WTPforthebundle.Then,ifconsumers’reservationpricesareheterogeneousandsubjecttotheuniformdistribution,wecandrawoppositeconclusions:FullmixedbundlingisdisadvantageoustofirmswhenStackelbergpricing.Theprofitunderfullmixedbundlingislessthanthatunderpurecomponents.
简介:TheconditionofourEarthischanging,anditischangingduetohumandominance.Werealisedthatourinfluenceonbiotaisoverwhelming,buildinguptoamassextinction,thesixthinthehistoryoflifeonEarth.Thelaterthisrealisationisturnedintoactiontodecreaseourfatalinfluence,theworsearethechancesofthesurvivalofthehumanrace.Howcanwefail?Oneplausiblescenarioisthatthiscanhappenviathelossofecologicalservices
简介:重点单词1.beginv.(began)开始I’llbeginwheneveryou’reready.你什么时候准备好我就开始。常用结构:begintodosth与begindoingsth一般来说,begintodo和begindoing可以互换。2.heavilyadv.在很大程度上;大量地Myfathersmokesheavily.我父亲抽烟很凶。注意:形容雨雪下得大用heavily或hard。Itrainedheavily,sohedidn’tgotoworkyesterday.雨下得很大,因此他昨天没去上班。拓展heavyadj.重的Peterisheavierthanhissister.彼得比他妹妹重。3.strangeadj.奇特的;奇怪的