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简介:LetAandBbeC^*-algebras,SupposethatKisthealgebraofallcompactoperatoraonaseperableHilbertspace,andαisanactiononthestablealgebraκ×AinducedbySU(∞).ItisprovedthatifAisα-invariantstableisomorphictoB1thenthereisa^*-isomorphismbetweenAandB.AnanalogousresultisobtainedbyconsideringOn×κ×Aintheplaceofκ×A,whereOnistheCuntsalgebra(3≤n<∞)。
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简介:GrasslandismostimportantinChinaduetoitsmulti-functions.However,about90%oftotalusablegrasslandinChinahasbeendegradedandthedegradationexpandsatarateof2millionhaperyear.WesternChinacovers6.12millionsquarekilometersand63.8%ofthetotalnationalareawithadistributionof50minoritynationalitiesand75%oftheminoritynationalpopulation.Ecologicalenvironmentthereisveryvulnerablewithmorethan90%areasoftheannuallyincreaseddegradationtakingplace.Underthecurrenttenurearrangement,theindividualherderhouseholdsbecomethemainanddirectusersofgrassland,theirdecision-makingongrasslandmanagementmayhavecrucialimpactonecologicalenvironmentaswellastheirlivelihoods.Thus,itisnecessarytoexaminethedeterminantsoftheirgrasslandmanagementbehaviors.Thisstudyapplies231householdfielddatafrom6provincesofwesternChinaanduseseconometricmodelstoexplorethemajorconstraintsforrestrictingtheherdhouseholds’grasslandmanagementbehaviors.Mainresultsshowthatunderthecurrenttenureandothergovernancemeasures,institutionalfactors,marketpriceandherder’sfarmandhousehold’scharacteristicsaffectthegrasslandmanagementbehaviors.
简介:一个简单正面的分析方程将决定不同吸附物上的溶质分子的吸附参数被介绍。它给在平均突破时间和feed溶质集中之间的关系,并且由使用它的线性形式,二个重要参数,为吸附物的表面和全部的吸附地点的数字nt上的溶质吸附的热力学的平衡常数KSL在吸附物的表面上散布了,能同时坚定。为RP-C18反向阶段的媒介上的一些芳香的烃的正面的分析,和RP-C18上的一些蛋白质分子反向阶段,WCX-1阳离子交换,恐水病的PEG-400和Che1atingSepharose快流动独立有Zn2+或Cu2+媒介的chelated,独立被执行测试这个方程和他们的吸附参数KSL,nt独立被获得。结果证明所有这些正面的分析数据能被这个正面的分析方程很好描述。为所有这些正面的分析系统,他们的参数nt能近似独立保持不变,他们独立于使用的溶质分子,当他们的参数KSL依赖于两在正面的分析列和溶质包装的媒介时,分子使用了。
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简介:Arobustmethodforcharacterizingthemineralogyofsuspendedsedimentincontinentalriversisintroduced.Itencompasses3steps:thefiltrationofafewmillilitersofwater,measurementsofX-rayenergydispersivespectrausingScanningElectronMicroscopy(SEM),androbustmachinelearningtoolsofclassification.ThemethodisappliedtosuspendedparticlescollectedfromvariousAmazonianrivers.Atotalofmorethan204,000particleswereanalyzedbySEM-EDXS(EnergyDispersiveX-raySpectroscopy),i.e.about15,700particlespersamplingstation,whichleadtotheidentificationof15distinctgroupsofmineralogicalphases.ThesizedistributionofparticlescollectedonthefilterswasderivedfromtheSEMmicrographstakeninthebackscatteredelectronimagingmodeandanalyzedwithImageJfreeware.Thedeterminationofthemainmineralogicalgroupscomposingthebulksedimentassociatedwithphysicalparameterssuchasparticlesizedistributionoraspectratioallowsaprecisecharacterizationoftheloadoftheterrigenousparticlesinriversorlakes.InthecaseoftheAmazonianriversinvestigated,theresultsshowthattheidentifiedmineralogiesareconsistentwithpreviousstudiesaswellasbetweenthedifferentsamplescollected.Themethodenabledtheevolutionofgrainsizedistributionfromfinetocoarsematerialtobedescribedinthewatercolumn.Implicationsabouthydrodynamicsortingofmineralparticlesinthewatercolumnarealsobrieflydiscussed.Theproposedmethodappearswellsuitedforintensiveroutinemonitoringofsuspendedsedimentinriversystems.
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简介:活动过度的雄激素受体(AR)活动仍然是前列腺癌症和电阻的发作和前进的一个关键决定因素到当前的治疗。管理的机制阉割抵抗前列腺癌症糟糕被理解,但是定义这些分子的事件是必要的以便从前列腺癌症影响死亡。杨等。表明知道是在治疗的overexpressed的那二lnc-RNAs抵抗前列腺癌症,PRNCR1(也作为PCAT8知道)并且PCGEM1,跳到AR提高ligand依赖、ligand独立的AR基因表示和这些相互作用的顺序包含了的前列腺癌症cells.1的增长到acetylatedAR和DOT1L的一个随后的协会的PRNCR1的绑定,为lncRNAPCGEM1的顺序的招募被要求到AR氨基的终点,它接着被遇见
简介:瞄准:决定先天的阴茎弯曲的外科的弄直是否能改进插入舒适,阴茎特征,个人关系和心理性的可勃起的机能障碍(编辑)。方法:54个病人(意味着年龄24年,范围20-31年)谁的先天的阴茎偏差由于生理的弯曲是≥25度在一张图上测量了并且正在经历穿入不快的人,为现在的学习明确地被估计。这些,14个病人受不了评价包括了的心理性的编辑病历,客观考试,有前列腺素E110-20g的导致pharmacologically的勃起,在勃起期间拿的一张图,基础、动态的双极端声谱仪,阴茎长度测量,记录的夜的阴茎肿大,神经质的侧面和心理会见到根据Hinde的参数评估他们的个人关系的质量(内容,数字,特征,频率,察觉亲密的限制的能力,另外的人的主观感觉[s],并且可靠性)。所有病人经历了Nesbit过程。起始的评价在外科以后在3和12个月被重复。数据分析用z测试被执行。结果:化妆阴茎特征和阴道插入舒适的主观判断在外科以后显著地改善了而个人关系和版本的质量不。结论:先天的阴茎弯曲的外科的弄直改进了插入舒适和阴茎特征,但是它没能改进人与人之间的关系或心理性的编辑。
简介:Background:Coarsewoodydebris(CWD)isveryimportantforforestecosystems,particularlyforbiodiversityandcarbonstorage.Itsrelevanceasapossiblereservoirandsourceofnutrientsislessclear,especiallyincentralEurope.Methods:Basedonachronosequenceofknownagesoflogs,weanalyzedthenutrientsstoredinCWDofFagussylvatica,Piceaabies,andPinussylvestrisatdifferentsitesinGermany.Toquantifynutrientconcentrations,weassessedtheuseofNearInfraredReflectanceSpectroscopy(NIRS)todeterminethechemicalpropertiesofCWD.Results:NIRSmodelsweresuitabletopredictconcentrationsofC,N,P,ligninandextractives.Concentrationsofmostnutrientsincreasedwithmassloss,withtheexceptionofpotassium,whichdecreasedforbeechandpineandremainedrelativelyconstantforspruce.Thehighestnutrientconcentrations(N,P,S,CaandMn,exceptMgandK)weregenerallyobservedinhighlydecomposedsprucelogs.TheneteffectofdecreasingCWDmassandincreasingnutrientconcentrationswaseitheradecreasing(N,PandKinbeech;P,Mg,KandMninpine),constant(S,CaandMginbeech;N,SandCainpine)orincreasingamountofnutrients(N,P,SandCainspruce;Mninbeech)inthelogsoverthecourseofdecomposition.TheC/Nratiodecreasedforalltreespecies,mostmarkedlyforsprucefromca.1000atthebeginningofthedecompositionprocessto180at36years.TheN/Pratioconvergedtoavalueofabout30forallthreespecies.Ligninconcentrationsincreasedforspruceandbeechandremainedconstantforpine.Conclusions:OurresultsindicatethatmostnutrientsremaininCWDforlongperiods.NutrientsmaybeusedandcycledbymicroorganismswithinCWD,butwiththeexceptionofP(inbeech),Mg(inpine)andK(inbeechandpine),thereappearstobelittlenetnutrientexportuntiltwothirdsofthemassislost.Instead,N,P,SandCawereaccumulatedinsprucelogs,indicatingthatCWDbecameanetsinkratherthananetsourceofsomenutrientsforsevera
简介:在这份报纸,在稀土元素元素(REE)之间的关系geochemical行为和他们的离子的半径被学习。根据在REE出现的子类型的lanthanides,五种类型和一些的地球化学上称为效果的基本法律,两个在magmatic岩石和他们的矿物质中,被发现岩石,它可以对应于magmatic的进化方法。为在东方Xinjiang的天河石黄玉花岗石pluton的REE数据的分析,韦斯特中国,和在Bohai海湾盆的Xialiaohe消沉的新生代碱的暴烈恼人的岩石的行政区域之一,打II1的中国表演,lanthanides的地球化学上的效果的III和IV不仅反映液体complexation和部分结晶化直接在magmatic进化存在,而且能决定半份量上液体的力量complexation和部分crystalli因此,lanthanides的地球化学上的效果,学习magmatic的半份量上进化的一个新方法摇,可能是适用的。而且,从Gonghe盆的边缘的不同来源的mafic熔岩,Qinghai省,中国,能有效地在能与LREE和它的离子半径的线性方程的一些参数被拉的图被区分。