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简介：Genesarecontinuallybeingcreatedbytheprocessesofgenomeduplication(ohnolog)andgeneduplication(paralog)Whole-genomeduplicationshavebeenfoundtobewidespreadinplantspeciesandplayanimportantroleinplantevolution.Clearlyun-overlappingduplicatedblocksofwhole-genomeduplicationscanbedetectedinthegenomeofsequencedrice(Oryzasativa).Syntenicohnologpairs(ohnologues)ofthewhole-genomeduplicationsinricewereidentifiedbasedontheirsyntenicduplicatelines.Theparalogsofohnologueswerefurtherscannedusingmulti-roundreciprocalBLASTbest-hitsearching(E＜e-14).Theresultsindicatedthatanaverageof0.55sisterparalogscouldbefoundforeveryohnologueinrice.Theseresultssuggestthatsmall-scaleduplications,aswellaswhole-genomeduplications,playasignificantroleinthetwoduplicatedricegenomes.

简介：Asaresultofeconomicreformcommencingin1978inChina,culturalbeliefsoftheChinesebusinessownersarechanging.Whilemuchhasbeenpublishedconcerninglargeandmultinationalbusinesses,thereisagapinknow

简介：我是一只小船,教室是我的港湾;我是一只小船,课桌是我的舢板;我是一只小船,铅笔是我的桅杆;我是一只小船,书页是我的风帆;

简介：SmallRNAhasrecentlydrawnmoreandmoreattention.Inthispaper,weconcentrateontheinfluenceofnoisesongenenetworkregulatedbysmallRNAusingchemicalLangevinequation.Itshowsthatthenoisecancauseoscillationwhentheoscillatedoesnotoccurinthecorrespondingdeterministicsystem.Thecoherenceofthenoiseinducedoscillationreachesamaximumforanoptimalintensityofnoise,andthecoherenceresonanceappearsaccordingly.Thefindingsimplyprobablyomnipresentimportanceofnoiseinthefunctioningprocessoflivingorganism.

简介：Thechangelawsofintensityofnearly200moderate-smallearthquakeswithMs=2.0~5.5occurringontheChinesemainlandsince1954havebeenanalyzedandarecomparedwiththatofmoderatelystrongearthquakes(Ms≥5.0).Theresultsshowthatthereisquiteobviousregionalityinthestatisticallawsbybothmoderate-smallearthquakesandmoderatelystrongearthquakes:attenuationofintensityinEasternChinaisslowerthanthatinWesternChinaandtheratioofthemajoraxistotheminoraxisofiso-seismallinesinEasternChinaissmallerthanthatinWesternChina.Theresultsalsoshowthatforafixedmagnitudetheattenuationofintensityofmoderate-smallearthquakesisfasterwhenintensityishigherthanV+andslowerwhenintensityislowerthanV-incomparisonwiththatofmoderatelystrongearthquakes.Furthermore,therealsohavebeensomedifferencesintheaspectsasintensity-magnituderelationbetweenstatisticallawsofmoderate-smallearthquakesandmoderatelystrongearthquakes.Thesedi

简介：散布倾斜的事件表面在有限深度的海洋在一张多孔的床上由小圆柱的变丑的边飘动，在线性化的水的框架以内这里被调查波浪理论。用不安分析，修改Helmholtz方程管理的相应问题为潜在的函数的一阶的修正被归结为一个边界值问题。一阶的潜力和，因此思考和传播系数被一个方法与适当草地功能的介绍基于格林的不可分的定理获得。正弦曲线涟漪的一个补丁的考虑看那什么时候商两次，沿着x方向的事件地波浪数字和涟漪波浪数字的部件接近一个，理论预言在床之间的一个反响的相互作用并且免费表面，并且思考系数变得一涟漪的数字多重。再次为小入射角，反映的精力作为与另外的入射角相比是更多。反映的精力对在海洋床的孔的变化有点敏感，这也被观察。从导出的结果，有透不过的海洋床的问题的解决方案能作为特别案例被获得。

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简介：Nowadaysinternationalizationisnolongeraluxuryforcompaniesandbecomesanecessityinordertosurviveinthemarketandensureitsdurabilityovertime.Thisjustifiesthestructureofainternationalizationplan(IP)forasmallcompany(SEC),inordertomodifyitsvaluecurveagainstthecompetitionandguaranteeasustainedgrowthdevelopmentinnewmarkets.Thispaperpresentsastrategicanalysisofasmallconstructioncompanydedicatedtotheelaborationoffinishesforwalls,floors,andconcretearchitecture.Asituationalanalysiswascarriedouttoseewhatwouldbethemostappropriateinternationalstrategyforthecompany.Tools,suchas:(a)SWOT(strengths,weaknesses,opportunities,threats)Analysis,(b)PEST(political,economic,social,andtechnological)Analysis,(c)InternalFactorsEvaluationMatrix(IFE),and(d)ExternalFactorsEvaluationMatrix(EFEAssessmentMatrix),wereusedtoidentifythecurrentstandingoftheSEC.ThecanvasmodelandthecompetitiveprofilematrixwereusedtomaketheconnectionwiththestrategicpositionoftheSECagainstthedesireofinternationalization.Likewise,ananalysisoftheexternalfactorswascarriedoutshowingasignificantgrowthof4.6%inthespecializedsub-sector,aswellasatensebusinesslandscapedrivenbythepoliticalsituationbetweenMexicoandtheUnitedStates.

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简介：ThisLetterpresentsamethodofanopticalsensorformeasuringwavelengthshifts.Thesystemconsistsofadiffractiongratingandatotalinternalreflectionheterodyneinterferometer.Asaheterodynelightbeamstrikesagrating,thefirst-orderdiffractionbeamisgenerated.Thelightpenetratesintoatotalinternalreflectionprismatananglelargerthanthecriticalangle.Awavelengthvariationwillaffectthediffractiveangleofthefirst-orderbeam,thusinducingaphasedifferencevariationofthelightbeamemergingfromthetotalinternalreflectionsinsidethetrapezoidprism.Boththeexperimentalandtheoreticalresultsrevealthat,forthefirst-orderdiffractivebeam,thesensitivityandresolutionlevelsaresuperiorto5°/nmand0.006nm,respectively,intherangeofwavelengthfrom632to634nm,andaresuperiorto3.1°/nmand0.0095nmintherangefrom632to637nm.Forthetheoreticalsimulationofthefourth-orderdiffractivebeam,theyaresuperiorto6.4deg∕nmand0.0047nmintherangefrom632to637nm.

简介：一个网络的聚类的系数C，是在各种各样的节点的邻居之间的直接连接的一项措施，从0(为没有连接)到1(为完整的连接)。我们基于在从一个来源节点的距离h的节点定义一个小世界的网络的扩大聚类的系数C(h)，因此概括distance-1邻居在计算平常的聚类系数C=C(1)采用了。在一个网络关于距离分发Pδ(h)基于已知的结果，也就是说概率顶点的随机选择的对有距离h，我们发源；试验性地验证法律Pδ(h)C(h)≤c木头N/N，在c是很少超过1的一个小常数的地方。因为它证明产品Pδ(h)C(h)由是比为Pδ(h)的最大的价值的产品更加小的价值是上面界限的，这结果是重要的；C(h)。聚类系数扩大；管理他们的法律提供新卓见进小世界的网络的结构；为他们的性质的进一步的探索开创大街。

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简介：DearEditor,Inarecentinterventionalcasereport,Allonetal~([1])hydratedcornealstromawithcefuroximetosealasmalltraumaticleakycornealperforationthatwasunresponsivetopriorsoftbandagecontactlensapplicationfor6d.Wewouldliketojustremindthepossiblecomplicationsofintracameralcefuroximeineyeswithalreadycompromised

简介：Inthispaper,anewmethodoftopologicalcleanupforquadrilateralmeshispresented.Themethodfirstselectsapatchofmesharoundanirregularnode.Itthenseeksthebestconnectionoftheselectedpatchaccordingtoitsirregularvalenceusinganewtopologicaloperation:smallpolygonreconnection(SPR).Byreplacingtheoriginalpatchwithanoptimalonethathaslessirregularvalence,meshqualitycanbeimproved.Threeapplicationsbasedontheproposedapproachareenumerated:(1)improvingthequalityofaquadrilateralmesh,(2)convertingatriangularmeshtoaquadrilateralone,and(3)adaptingatrianglegeneratortoaquadrilateralone.Thepresentedmethodishighlyeffectiveinallthreeapplications.

简介：BymeansofthecontinuousGlimmfunctional,aproofisgivenontheglobalexistenceofclassicalsolutionstoCauchyproblemforgeneralfirstorderquasilinearhyperbolicsystemswithsmallinitialtotalvariation.

简介：TheblacksoilregionofnortheastChina,whichcoverstheProvincesofHeilongjiang,JilinandtheInnerMongoliaautonomousregionwithblacksoil,chernozemandmeadowsoil,hasexperiencedsoilerosionsinceintenseagriculturalreclamationbeganapproximately100yearsago.However,thesedimentdeliveryratio,definedasthefractionofgrosserosionthatistransportedfromagivenareainagiventimeinterval,isstillunclear.Inthisstudy,wecalculatedthedeliveryratioandanalysedchangesinerosiveprocesseswithinHebeicatchmentfrom1977to2007basedonananalysisofsedimentsoftheLiuduireservoir.Theoriginalvegetationlayerclearlyidentifiedthebottomofthereservoirwhenitwasconstructedin1977;thus,thereservoirsedimentscouldbepreciselydated.Thedeliveryratio,calculatedbycomparingthesedimentdepositioninthereservoirwiththetotalsoilerosionintheupstreamcatchment,wasfoundtobeexponentiallycorrelated(r~2=0.95,P<0.01)withdecreasinggrainsize,exceptforthefraction<0.002mm.Thedeliveryratiofortheclays(<0.002mm)waslow,averaging0.10duringthestudyperiod,whichindicatedpartialremovalofclaysfromthereservoir.Thechangesinthereservoirdepositionratereflectedthetemporalchangesintheerosionprocesses.Theexceptionallyhighrainfallin1998wasconfirmedbythedistributionsof~(137)Cs,~(210)Pb,andthegrain-sizeofthesediments.Beginningfromthepositionoftheoriginalgrasslayer,wedefinedthreeperiodsfrom1977to2007basedondepositionrates:2.40cmyear~(-1)from1977to1997,5.60cmyear~(-1)in1998duetounusuallyhighrainfall,and1.55cmyear~(-1)from1999to2007.Theoverallaveragedepositionratefortheentireperiodwas2.26cmyear~(-1).Precipitationwasfoundtobethemainfactoraffectingthesoilerosionofthestudyarea.

简介：Becauseoftheradioactivityandtoxicnatureofnuclearmaterials,theircontainmentwithinoxidematrices,encasedinsealedcontainers,hasbeenproposedasasuitablemeansforstorageandtransportation.However,containerfailuresbecauseofcracksorsmallorificespresentamajorleakageriskfornuclearmaterials,consequentlyposingasignificanthazardtotheenvironmentandhumanbeings.Inthisstudy,terbiumoxidepowderwasusedasanuclearmaterialrepresentativetoexaminetheleakageofnuclearmaterialpowderthroughorificeslocatedatthebaseofapressurecontainer.Thedependenceoftheorificediameter,thepowderlayerthickness,andtheinternalpressureofthecontainerontheleakagemechanismandamountwasexamined.Asimplifiedmodelcorrelatingthedependenceoftheabove-mentionedparameterstodeterminetheutmostleakageamountwasalsodevelopedbasedonthepresentresults.Theleakageofthenuclearmaterialpowderwasassessedbymeasuringitsconcentrationusinganopticalparticlecounter.Thediameteroftheorificedeterminedthepowderleakagemechanism,whichinturninfluencedtheamountofleakageproduced.Comparisonstudiesshowedthatunlikethechangesinthedifferentialpressure,thevolumeofthecontainerhaslittleeffectontheleakageamount.Undersufficientlyhighinternalpressures,theoxidepowdercanbereleasedasafineaerosol.Theworkisnotonlycrucialfromthenuclearsafetyaspect,butisalsobeneficialforthesafeapplicationofpowderandnanoparticles.

简介：Lengthfrequencydataofsmallyellowcroaker(Larimichthyspolyactis)wereacquiredfromthesurveyvesselinMay,July,SeptemberandDecember,2011inHaizhouBayofChina.Inthisstudy,921fishindividualswereanalyzedfortheestimationofgrowthandmortalityparameters.Betweenlengthandweight,thepowercoefficientbwas2.7321,2.9703,3.0418and2.7252forthe4surveyingmonths,respectively.TheestimatedvonBertalanffygrowthfunctionparameterswere230mm(L∞)and0.26yr-1(K)aswerecalculatedwithELEFANmethodequippedinFiSATcomputerpackage.Withlength-convertedcatchcurveanalysis,thetotalmortalityrate(Z)andits95%confidenceintervalwere2.16(1.69-2.64)yr-1,0.59(0.15-1.04)yr-1,1.16(0.80-1.52)yr-1and0.96(0.70-1.23)yr-1forthe4surveyingmonths,respectively,withthepooleddatathevaluewas1.15(0.81-1.48)yr-1.Thenaturalmortalityrate(M)was0.516yr-1aswascalculatedwithPauly'sequation(theannualaverageseawatertemperaturewas11℃).Therefore,fishmortalityratewas0.634yr-1.Theyield-per-recruitanalysisindicatedthatwhentcwas1,Fmaxwas0.7andF0.1was0.55.Currently,theageatfirstcaptureisabout1yearandFcurrentwas0.634.Therefore,FcurrentwaslargerthanF0.1andlessthanFmax.Thisindicatesthatcurrentfishmortalityisatadangerouslyhighlevel.WithGullandmethod,thebiologicalreferencepointforfishery(Fopt)wasestimatedas0.516yr-1,lowerthancurrentfishmortality.Accordingly,reducingcatchintheregionwasstronglyrecommended.

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