简介：<正>Mygrandfathergrewupinwar-tornEurope.WhenGermansoldiersoccupiedhishometown,thethriving(繁荣的)cityofTarow,Poland,herefusedtoobeythemandeventuallyjoinedtheSovietarmytofightforhiscountry’sfreedom."Standstraight,standtall,"hetoldhimself.

简介：Ihavealwaysfeltsorryforthosewhositaloneatlunch，orareteased(戏弄)bythe"popular"kids．Idon'tthinkthereagoodreasonformakingsomeonefeeluncomfortableorhurtingsomeone’sfeelings．Peoplewerecreatedtobetreatedlikedirt．

简介：[摘 要 ] CT发生机架无法到达 stand by问题，首先看报错，主要的报错有 Error和 Warning两种，确定报错指向，一般前面出现的为主要报错，有时还需要结合 information来还原机器在出问题时间点内部做的一系列动作。同时光看指示灯会混淆判断，认真按电路图纸测量排查以获取更多的信息。软件测试得出的结果结合硬件测试的结果，尽量精准的更换备件，减少备件的消耗和运输成本，降低修复时间，同时减少医院的损失。

简介：Woodpropertiesfrom28trees(Populuseuramericana)selectedfromhealthyandacidraindamagedforestweremeasuredtoevaluatethepossibleimpactsonwoodqualityandutilization.Ontheheavilydamagedlocation,thepHvalueofprecipitationrangedfrom3.7-5.0,andsulfateloadingrangedfrom20-40kg·ha-2.y-1.Quantitativeandqualitativestudiesonringwidth,physicalpropertiesandmechanicalpropertiesindicatedthatchangesofwoodpropertiesbetweendiseasedandhealthypoplaroccurred.Aci...

简介：ThispaperestablishedanintegratedstandgrowthmodelofMongolianoak(ISGM_oak)usingthedatafrom61permanentsampleplotsmeasuredin1997and2007.ISGM_oakisagroupofnonlinearsimultaneousequations.Themethodofnonlinearerror-in-variablesimultaneousequationsisusedtoestimatetheparametersofISGMoakwiththestatisticalsoftwareForstat2.0,sotheparameterestimationofthegroupofcorrelatedequationsinISGMoakisunbiasedandtheequationsarecompatible.Modelvalidationusingbootstrapmethodshowedthatboththeaveragerelativeerrorandsquareerrorarelessthan15percent.TheISGM_oakmodelcanbeusedtosimulatethestandgrowthwithdifferentvaluesofsiteindex,standdensityandtodrawstanddensitymanagementdiagramfordecision-making.

简介：1IntroductionEarlyattemptstocreateasoundabsorberwhichwouldfunctionwithouttheinvolvementofanyfibrousorporousdampingmaterialgofarbacktoK.A.Veliszhanina,S.N.RschevkinandothersaswasoutlinedinRef.[1].30yearsago,D.Y.MAA[2]wasfirstinproposingapracticabledesignconceptandcalculationmodelforMicro-PerforatedAbsorber(MPA)prototypeswhichstillformsthebasisforvariousapplications.Duringthepast12yearstheFraunhoferIBP

简介：SHEclambersuparock,reachesbothhandsintocranniesintheshabbycementwallandheavesherselfup,beingcarefulnottocatchherschoolbagontheprotrudingbricks.Shestraddlesthetopandthengingerlyjumpsdownontothestonygroundbesidetherailwayline.

简介：Inthisresearch,fiveplotsareselectedbasedonstandstorageandproductivityofplantedforestofLarixkaempferi(Japaneselarch)aswellastheirrelationshipwithfactorssuchasforestage,siteconditionandstandden-sity.Throughstandardplotinvestigationandmethodoftrunkanalysis,systematicresearchisconductedonstorageandproductivityoftheplantedforestandtheirrelationshipwithsitecondition.Asshownintheresearch,produc-tivityofplantedforestofLarixkaempferiinlowlatitudeareaishigherthanthatinhighlatitudeareawhilestandproductivityishigherinslightacidsoil.Contentsofpotassiumelementinthesoilhaveconsiderablein?uenceonproductivityoftheLarixkaempferiforest.

简介：

简介：Acutemyeloidleukemia(AML)isaclonaldisordercharacterizedbytheaccumulationofcomplexgenomicalterationsthatdefinethediseasepathophysiologyandoveralloutcome.RecentadvancesinsequencingtechnologieshavedescribedthemolecularlandscapeofAMLandidentifiedseveralsomaticalterationsthatimpactoverallsurvival.Despitealltheseadvancement,severalchallengesremainintranslatingthisinformationintoeffectivetherapy.HereinwewillreviewthemolecularlandscapeofAMLanddiscusstheimpactofthemostcommonsomaticmutationsondiseasebiologyandoutcome.

简介：Thebiodiversityofarbuscularmycorrhizalfungi(AMF)wassurveyedintheKolmregionofIraninthreeadjacentsites,anaturalstand,a10-year-oldanda15-yearoldplantationofAmygdalusscoparia.Todate,therehavebeenfewstudiesofAMFbiodiversityinIran,especiallyinthewesternforestsofthecountry.Forthisstudy,soilandrootsamplesweretakenfromA.scopariarhizospheresoilinspringandautumn.AlmosthalfoftherootlengthwascolonizedbyAMF.Weidentified13AMFspeciesbelongingtoGlomeraceae,ClaroideoglomeraceaeorDiversisporaceae.Thethreeplantationsdifferedintermsofsoilelectricalconductivity,organicCandP.SporedensitywassignificantcorrelatedwithPconcentration.RootlengthcolonizationwascorrelatedonlywithsoilCa.SpeciesdiversityandrichnessweresignificantlycorrelatedwithsoilN,P,organicCandsporedensity.AMFdiversityin15-year-oldplantationswasmoresimilartothatinthenaturalstandthaninthe10-year-oldplantation.Weconfirmedthata15-year-oldplantationisnotsimilarintermsofAMFcolonizationtonaturalstands.Weconcludethatmorethan15yearsarerequiredforAMFcolonizationofplantationstoresemblethatofnaturalstands.

简介：Eucalyptusisthemostvaluablecultivatedforestgenusinthetropicalandsubtropicalareasnowadays.Ithasbeenachallengeforforesterstomodelgrowthduetothegeneticvariations,managementregimes,andmultipleproductsgeneratedfromtheplantations.Inthispaper,LogisticequationwasusedtostudythestockgrowthprocessofE.urophylla×E.grandisplantationatageof14with6spacingtreatments.AndthebiologicalinterpretationoftheparametersofLogisticequationwasanalyzed.There...

简介：HepatitisB(HB)virus(HBV)infection,whichcauseslivercirrhosisandhepatocellularcarcinoma,isendemicworldwide.HepatitisBvaccinesbecamecommerciallyavailableinthe1980s.TheWorldHealthOrganizationrecommendedtheintegrationoftheHBvaccineintothenationalimmunisationprogramsinallcountries.HBVpreventionstrategiesareclassifiedintothreegroups:(1)universalvaccinationalone;(2)universalvaccinationwithscreeningofpregnantwomenplusHBimmuneglobulin(HBIG)atbirth;and(3)selectivevaccinationwithscreeningofpregnantwomenplusHBIGatbirth.Mostlow-incomecountrieshaveadopteduniversalvaccineprogramswithoutscreeningofpregnantwomen.However,HBvaccinesarenotwidelyusedinlow-incomecountries.TheGlobalAllianceforVaccineandImmunizationwaslaunchedin2000,andby2012,theglobalcoverageofathree-doseHBvaccinehadincreasedto79%.Thenextchallengesaretofurtherincreasethecoveragerate,closethegapbetweenrecommendationsandroutinepractices,approachhighriskindividuals,screenandtreatchronicallyinfectedindividuals,andpreventbreakthroughinfections.ToeradicateHBVinfections,strenuouseffortsarerequiredtoovercomesocioeconomicbarrierstotheHBvaccine;thistaskisexpectedtotakeseveraldecadestocomplete.

简介：在现代教学中，启发式教学能极大地调动学生的求知欲。学生能力的提高，关键是教师是否认真研究学生学习英语的规律，探索各种有效的教学途径。

简介：BambooforestisanimportantlanduseinthetraditionalvillageofPenglipuran,BaliIndonesia.BamboogrowingintheruralareascanbeagoodchoiceforcapturingCO2.Iharvestedselectedculmstodeterminebiomasscontent,and50%ofdryweightbiomasswascalculatedascarboncontent.ThePenglipuranbambooforestsupportedsixbamboospeciesinaonehectaresamplingplot,allofthegenusGigantochloa.Theclumpandculmdensitieswere339and7190ha-1,respectively.Totalabove-plusbelow-groundbiomasswas87.35Mgha-1,andcarbonstoragewas43.67Mgha-1.CarbonstorageestimatedinthebambooforestatPenglipuranoffersinsightintotheopportunityforPES（paymentforecosystemservices）throughemissiontradingmechanisms.

简介：Background:ThefloodplainforestsofAraguaiaRiver,aclear-waterriverinthesoutheasternAmazon(TocantinsState,Brazil),arecharacterizedbyseasonalfloodingupto3.5mheight,lownutrientlevelsinthewater,andseasonaldroughtperiodsof4–5months.Methods:Westudiedtheforestdynamics(treediametergrowth,treemortalityandrecruitment)ofthisuniqueforestecosystemovera5-yearperiodbyrepeatedcensusesin12permanentplotsestablishedalongafloodinggradient.Results:Thecumulativebasalareaintheplotsincreasedby0.84(±0.45)m2?ha~(–1)?yr~(–1)(mean±SD)intheannualy-flooded(AF)plotsinlowerterrainandby0.69(±1.00)m2?ha~(–1)?yr~(–1)inthehighernon-annualyflooded(NAF)plots,correspondingtoanabovegroundbiomassincreaseof0.81(±0.57)and0.69(±1.58)Mg?ha~(–1)?yr~(–1)intheAFandNAFplots,indicatingarecentcarbonsinkinthebiomass.Meandiametergrowthratewas1.8(±0.44)mm?yr~(–1)intheAFand2.0(±0.56)mm?yr~(–1)intheNAFplots(correspondingtoacoarsewoodproductionof1.53(±1.29)and2.02(±0.52)Mg?ha~(–1)?yr~(–1)),indicatingnofloodingeffectonradialgrowth.Meanmortalityratesinthe5-yearperiodwere1.9(±0.37)%?yr~(–1)intheAFplotsand1.8(±0.87)%?yr~(–1)intheNAFplotswithnodifferencesalongthefloodinggradient.HighestmortalitieswereregisteredintheAFplotsforthe10–20cmdbhclass(2.4%?yr~(–1)),likelyasaconsequenceofflooding,andintheNAFplotsforthe40–50cmdbhclass(3.0%?yr~(–1)),probablymainlycausedbyENSO-relateddroughts.Conclusions:Weconcludethatthesedrought-affectedtropicalfloodplainforestshavealowerstandingbiomassandabovegroundproductivitythancentralAmazonianfloodplainforestsinmorehumidclimates,andtheimprintofthefloodinggradientonstanddynamicsisrelativelyweak,whichmayresultfromthelowerfloodingheightandtheinteractionoffloodingwithlownutrientsupplyandperiodicdrought.

简介：AccordingtotherelationshipbetweenToonasinensisRoemstandvolume,productivityandforestage,siteconditions,standdensityandotherfactors,throughselecting8representativecitiesorcounties,usingstandardinvestigationandstemanalysismethod,thispapermakesrelativelysystematicresearchabouttheToonasinensisRoemplantationaccumulation,productivity,andtherelationshipbetweenthemandsiteconditions.Throughcomparativeanalysisindicatorsofmultiplesiteconditions,thispaperexpectstogiveamorecomprehensivepictureaboutthesourceofaccumulationandproductivitydifference.

简介：在JanuaryFebruary2008期间，严重的冰暴风雨在南部的中国引起了重要损坏到森林，创造华盖差距和变化土壤营养素可获得性和酶活动。为了理解在差距尺寸，在土壤环境的变化和这些变化穿上的效果之间的关系，玷污过程，我们在在在Cunninghamialanceolata的森林差距的化学、生物的性质在北广东省承受的土壤上调查了差距尺寸的效果，南部的中国。十自然地创造的差距，五大(80100m2)并且五小(3040m2),在C的看台被选择。lanceolata。大差距在010厘米土壤与小差距和邻近的盖住华盖的阴谋相比在土壤潮湿，有机物，N和P在轻传播比率和空气和土壤温度和衰落显示出重要增加。在在大、小的差距和盖住华盖的阴谋之间发现的有机物和滋养的层次的差别可能与处于环境条件的变化有关。在大差距沥滤的这显示的快速的崽分解和增加的营养素。而且，因为衰落，过氧化氢酶，酸磷酸酶和urease活动的底层在他们的土壤富饶发生在大差距。大森林差距可以有差的富饶的一个区域，减少在C以内的土壤营养素可获得性和酶活动。lanceolata看台。

简介：Recentexperimentsontheimplosionsof15-mmlongand2-μmthickaluminumlinershavingadiameterof12.8mmhavebeenperformedontheprimaryteststand(PTS)facility.Thestratifiedstructuresareobservedasalternatingdarkandlighttransversestripesinthelasershadowgraphimages.Thesestriationsperpendiculartothecurrentflowareformedearlyintheimplosion,i.e.,atthestagewhenthebulkofthematerialmasswasalmostatrest.Atwo-dimensional(2D)magnetohydrodynamics(MHD)codeisemployedtosimulatethebehavioroflinerdynamicsintheearlyphases.Itisfoundthatthestriationsmaybeproducedbytheelectrothermalinstability(ETI)thatresultsfromnon-uniformJouleheatingduetothecharacteristicrelationbetweentheresistivityandthetemperature.In2Dsimulations,thestratifiedstructurescanbeseenobviouslyinbothdensityandtemperaturecontoursasthelinerexpandsrapidly.Byanalyzinginstabilityspectrum,thedominantwavelengthsoftheperturbationsare8.33μm–20.0μm,whichagreequalitativelywiththetheoreticalpredictions.ItisalsointerestingtoshowthatETIprovidesasignificantseedtothesubsequentmagnetoRayleigh–Taylor(MRT)instability.

简介：在巴基斯坦的瑞斯生产是由与流行种的技术相关的许多因素的限制。关于新种的技术的可行性的研究(在公寓上的直接播种，在公寓上移植，在山脉上的直接播种，在山脉并且降落伞种上移植)在里面移植，直接湿种子的米饭在DeraIsmail被承担巴基斯坦的北方的Khanregion韦斯特边疆省在2002和2003期间。在种的技术之中，为收益形成和经济评估的最好的表演以在两年期间在公寓上移植闻名。中国降落伞种技术也在大多数参数显示出很有希望的结果。在山脉上的直接播种不能为佼佼者在在两个都收割季节期间种的公寓和降落伞上移植。调查结果结束了与在在区域被练习的所有另外的种的技术上在公寓上移植的传统的米饭一起种技术的降落伞的可行性。