简介：最近，适应图象steganographic方法基于匹配的最不重要的小点(LSB)重游的一个边(EA-LSBMR)被建议了，它在适当嵌入的rates.However下面保持好视觉质量和合适的安全，从广泛的实验到EA-LSBMR，我们发现pixelpairs差别直方图的分离Fourier变换(DFT)光谱仍然甚至在低嵌入rate.To揭示一条秘密消息的存在提高安全，一个修改计划在这pa被建议

简介：

简介：Thepaperpresentsanewarchitecturecomposedofbitplane-parallelcoderforEmbeddedBlockCodingwithOptimizedTruncation(EBCOT)entropyencoderusedinJPEG2000.Inthearchitecture,thecodinginformationofeachbitplanecanbeobtainedsimultaneouslyandprocessedparallel.Comparedwithotherarchitectures,ithasadvantagesofhighparallelism,andnowasteclockcyclesforasinglepoint.Theexperimentalresultsshowthatitreducestheprocessingtimeabout86%thanthatofbitplanesequentialscheme.AFieldProgrammableGateArray(FPGA)prototypechipisdesignedandsimulationresultsshowthatitcanprocess512×512gray-scaledimageswithmorethan30framespersecondat52MHz.

简介：ThemajordrawbackinOrthogonalFrequencyDivisionMultiplexing(OFDM)systemisduetothehighPeak-to-AveragePowerRatio(PAPR),sotheperformanceofthesystemissignificantlydegradedbythenonlinearityofaHighPowerAmplifier(HPA)inthetransmitter.Inordertomitigatedistortion,ablockcodingschemeforreducingPAPRinOFDMsystemswithlargenumberofsubcarriersbasedoncomplementarysequencesandpredistortionisproposed,whichiscapableofbotherrorcorrectionandPAPRreduction.ComputersimulationresultsshowthattheproposedschemesignificantlyimprovesBitErrorRate(BER)performanceascomparedtoanuncodedsystemwhenanHPAisemployedoracodedsystemwithoutpredistortion.

简介：在一个二维的方形的数组的螺线波浪的开发由于部分离子隧道块(钾，钠)被调查，节点的动力学被HodgkinHuxley神经原描述，这些神经原最近被结合邻居连接。参数比率xNa(并且xK)，它定义钠(钾)的工作离子隧道数字的比率到钠的全部的离子隧道数字(并且钾)，被用来测量隧道块导致的移动传导力。在二参数的阶段空间(参数比率对毒害的区域)的统计可变R的分发广泛地被计算为部分离子隧道块导致的螺线波浪的转变标记参数区域，有同步R的更小的因素的区域被联系那个螺线波浪使明白毒害的隧道、柔韧的参数区域。当毒害的区域(钾或钠)和沉醉的度是小的时，螺线波浪保持活着，不同转变(死亡，几个螺线波浪共存或多手臂螺线波浪出现)发生在中等比率xNa下面(并且xK)当堵住的区域的尺寸超过某些阀值时。螺线波浪的决裂发生，螺线的多手臂飘动当隧道噪音被考虑时，被观察。

简介：密文政策基于属性的可查找的加密(CP-ABSE)能为数据分享和检索完成有细密纹理的存取控制，并且安全deduplication能由消除副本拷贝节省存储空间。然而，有很少策划支持可查找的加密和安全deduplication。在这份报纸，支持安全块级的deduplication的一个大宇宙CP-ABSE计划在混合的云机制下面被建议。在建议计划，在密文被插入到花蕾过滤器树(BFT)以后，私人云能由匹配标签高效地执行有细密纹理的deduplication，并且公共的云能用同构的可查找的方法并且关键词匹配高效地寻找。最后，建议计划能在选择分发攻击下面完成隐私块级(PRV-CDA-B)固定deduplication并且隐藏火柴(MC)可查找的安全。与存在计划相比，建议计划在同时支持有细密纹理的存取控制，块级的deduplication和有效搜索有优点。

简介：Itisimportanttoquantitativelyunderstandthemethaneadsorptionandtransportmechanismincoalforanevaluationofthereservesandforitsproductionforecast.Inthiswork,ablockcoalsamplewaschosentoperformtheCH4adsorptionexperimentsusingthegravimetricmethodattemperaturesof293.60K,311.26K,332.98Kand352.55Kandpressuresupto19MPa.TheexcessadsorptioncapacityofCH4indryblockanthraciteincreased,followedbyasequencedecreasewiththeincreasingpressure.Hightemperaturerestrainedthegrowthoftheexcessadsorptionduetothattheadsorptionisanintrinsicallyphysicalandexothermicprocess.Theexcessadsorptionpeakdecreasedslowlywiththeincreaseoftemperatureandintersectedatapressureofmorethan18MPa;meanwhile,thepressureattheexcessadsorptionpeakincreased.Theexistingcorrelationswereexaminedintermsofdensityratherthanpressure.TheDR+kcorrelation,withanaveragerelativedeviationof±0.51%,fittedourdatabetterthantheothers,withanaveragerelativedeviationofupto2.29%.ThetransportationcharacteristicsofCH4adsorptionwasalsoinvestigatedinthisstudy,includingtheadsorptionrateanddiffusioninblockcoal.Thekineticdatacouldbedescribedbyamodifieduniporemodel.Theadsorptionrateswerefoundtoexhibitdependenceonpressureandtemperatureatlowpressures,whilethecalculateddiffusivitiesexhibitedlittletemperaturedependence.Inaddition,thekineticcharacteristicswerecomparedbetweenCH4andCO2adsorptionontheblockcoal.TheexcessadsorptionratiosofCO2toCH4obtainedfromtheDR+kmodeldecreasedwiththeincreasingpressure.

简介：沉积负担在河的词法进化起一个主要作用。因此，和水力的结构的沉积负担相互作用的分析具有主要重要性以便提高鱼产地和河的保藏词法特征。现在的学习处于实时的床条件一个块斜面下游地分析scour机制，当来临的流动供应的沉积被从scour洞搬运的沉积平衡时。实验在scour几何学上在模型斜槽和来临的沉积集中的效果被执行被分析。scour特征深深地取决于来临的沉积集中，这被观察，四种主要侧面配置被区分。试验性的数据被分析，实验关系被形成以便为不同水力、几何的条件从斜面脚趾评估一个scour洞，沙丘高度和最大的沙丘高度的横过的节的距离的深度和长度。一个scour洞的动态平衡形状不取决于沉积负担时间历史，这也被证明。

简介：Thispaperconstructsanewkindofblockbasedbivariateblendingrationalinterpolationviasymmetricbranchedcontinuedfractions.Theconstructionprocessmaybeoutlinedasfollows.Thefirststepistodividetheoriginalsetofsupportpointsintosomesubsets(blocks).Thenconstructeachblockbyusingsymmetricbranchedcontinuedfraction.FinallyassembletheseblocksbyNewton’smethodtoshapethewholeinterpolationscheme.OurnewmethodoffersmanyflexiblebivariateblendingrationalinterpolationschemeswhichincludetheclassicalbivariateNewton’spolynomialinterpolationandsymmetricbranchedcontinuedfractioninterpolationasitsspecialcases.Theblockbasedbivariateblendingrationalinterpolationisinfactakindoftradeoffbetweenthepurelylinearinterpolationandthepurelynonlinearinterpolation.Finally,numericalexamplesaregiventoshowtheeffectivenessoftheproposedmethod.

简介：我们为解决三凸的可分离的功能的和的最小化建议了一个最初双的固定的点算法(PDFP)，它与Lipschitz连续坡度，线性合成nonsmooth功能，和nonsmooth功能包含光滑的功能。与类似的工作相比，在PDFP的参数更容易选择并且在一个相对更大的范围被允许。我们将扩大PDFP解决二种可分离的多块最小化问题，在信号处理和成像科学产生。这个工作显示出把PDFP算法用于多块问题的灵活性并且说明实际、充分切开的计划怎么能被导出，特别为大规模问题的平行实现。连接和比较到轮流出现的方向方法(ADMM)更多样地也是现在。我们表明不同算法怎么能被通过稀少的经典例子以不同方法切开这些问题获得有限制的调整最不方形的模型。特别地，在多块ADMM的上下文为线性地抑制的问题，它具有伟人的一个班感兴趣，能被PDFP也与集中的一条保证解决。最后，一些实验被提供说明PDFP算法导出的几个计划的表演。

简介：Inthisstudy,apoly(etherblockamide)(Pebax1657)compositemembraneappliedforCO2capturewaspreparedbycoatingPebax1657solutiononpolyacrylonitrile(PAN)ultrafiltrationmembrane.Ethanol/watermixturewasusedasthesolventofPebaxandtheeffectsofethanol/watermassratiosandPebaxconcentrationonthepermeationpropertiesofcompositemembranewerestudied.Toenhancethecompositemembranepermeance,thegutterlayer,madefromreactiveaminosiliconecrosslinkingwithpolydimethylsiloxane(PDMS),wasdesigned.Theinfluenceofcrosslinkingdegreeofthegutterlayeronmembraneperformancewasinvestigated.Asaresult,aPebax/aminoPDMS/PANmultilayermembranewithhexaneresistancewasdeveloped,showingCO2permeanceof350GPUandCO2/N2selectivityover50.Theblendofpolyethyleneglycoldimethylether(PEG-DME)withPebaxascoatingmaterialwasstudiedtofurtherimprovethemembraneperformance.AfterbeingcombinedwithPEG-DMEadditive,CO2permeanceofthefinalPebax-PEG-DME/amino-PDMS/PANcompositemembranereached400GPUabovewithCO2/N2selectivityover65.

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简介：Amagneticandtemperaturefield-coupledmathematicalmodelisproposedtocalculatetheinductionheatingprocessofadiscardsubstitutionblockforbillethotextrusionprocess.Themathematicalmodelisvalidatedbycomparingsimulationresultswithtemperaturemeasurementsrecordedduringphysicalmodeling.Basedonsystematicalanalysisofcalculationresults,aquantitativesawtoothinductionpowercurvewasproposedtorealizetheaimofachievingthebestdistributedtemperaturefieldintheblockwithintheshortestinductiontime.

简介：IntheH.263videocodecrelatedsystems,motionestimationandDiscreteCosineTransform(DCT)havethemostcomputationalrequirements.Inordertoreducecomplexityoftheencodertodedicatemoreresourcestootherfunctions,accordingtothestudyofexistingmethods,anImprovedAllZeroBlockFinding(IAZBF)methodbasedonthestatisticcharacteristicsofDCTcoefficientsisproposed.Comparedwithexistingmethods,IAZBFimprovesthedetectingefficiencybyabout50%withoutimportingtoomuchextracomputationrequirement.Beingcomputedwithadditionsandshiftsinsteadofcomplicatedmultiplications,IAZBFisoflowcomputationcomplexity,especiallyforlow-endprocessors.Inaddition,IAZBFupholdspicturefidelityandremainscompatiblewiththeH.263bitstreamstandard.

简介：Basedonthedatafromrepeatedpreciselevelingandacross-faultdeformationmeasurementscarriedoutinrecent30yearsandtheanalyzedresultsfromGPSobservationsmadeinrecentyearsalongthenortheasternmarginofQinghai(Xizangblock,andcombinedwiththegeologicalstructuresandseismicactivities,somecharacteristicsinregionaltectonicdeformationandstrongearthquakedevelopmentarestudiedandapproachedpreliminarily.Theresultsshowthat:a)Thespace-timedistributionofcurrenttectonicdeformationinthisareaisinhomogeneouswithrelativelyintensivetectonicdeformationinthevicinityofmainboundaryfaultsandweakdeformationinthefartherareas.Theintensityofverticaldifferentialmovementandthedeformationstatusvarywithtime,andthehorizontalmovementanddeformationarecharacterizedbyapparentcompressionandstrike-slip.b)ThetectonicstressfieldgeneratedbytheNE-trendingcontinuouscompressivemovementofQinghai(XizangblockduetothenorthwardpressandcollisionofIndiaplateistheprincipalstressforthetectonicdeformationandearthquakedevelopmentinthisarea.Theevolutionofspace-timedistributionoftectonicdeformationandseismicityiscloselyrelatedtotheblockactivityanddynamicevolutionofregionaltectonicstressfield.c)Theverticaldeformationupliftandhigh-gradientdeformationzonesandtheobviousfaultdeformationanomalyappearedalongtheboundariesoftectonicblockscanbeconsideredastheindicatorsofhinderedblockmotionandintensifiedtectonicstressfieldforstrongearthquakedevelopment.Usually,theabove-mentionedphenomenawouldbefollowedbytheseismicityofM(6.0,buttheearthquakemightnotoccurintheplacewiththemaximummovement.Thezoneswiththefaultdeformationanomalycharacterizedby(tendenciousaccumulationaccelerationturning(andthesurroundingareasmightbethepositionsforaccumulationofstrainenergyanddevelopmentandoccurrenceofstrongearthquakes.

简介：

简介：EarlyOrdovicianA-typegranitesinthenortheastern(NE)SongnenBlockNEChinawerestudiedtobetterunderstandthegeodynamicsettingsinthisregion.ThisresearchpresentsnewzirconU-PbagesandwholerockgeochemicaldatafortheEarlyOrdoviciangranitesintheNESongnenBlock.ZirconU-PbdatingindicatesthatthegraniteintheCuibei,Hongxing,andMeixiareasintheNESongnenBlockformedintheEarlyOrdovicianwithagesof471-479Ma.ThegranitesshowgeochemicalcharacteristicsofhighSiO2andK2OcompositionsandlowFeOT,MgO,CaO,andP2O5compositions.TheybelongtoahighKcalc-alkalineseriesanddisplayaweakperaluminousfeaturewithA/CNKvaluesof0.98-1.14.TherockshaveaΣREEcompositionof249.98-423.94ppm,andareenrichedinLREEwith(La/Yb)Nvaluesof2.87-9.87,anddisplayobviousEuanomalies(δEu=0.01-0.29).TraceelementsofthestudiedgranitesarecharacterizedbyenrichmentinRb,Th,U,Pb,Hf,andSm,anddepletionofBa,Nb,Ta,andSr.TheydisplaygeochemicalfeaturesofhighZr+Y+Nb+Cevalues(324-795ppm)andGa/AlratiosconsistentwithA-typegranites.Basedonparticulargeochemicalfeatures,suchashighRb/Nb(7.98-24.19)andY/Nb(1.07-3.43),thestudiedA-typegranitescanbefurtherclassifiedasanA2-typesubgroup.ThisresearchindicatesthattheEarlyOrdovicianA-typegraniteswereformedbythepartialmeltingofancientcrustinanextensionalsetting.LowerSr/Yand(Ho/Yb)Nratiosindicatethatplagioclaseandamphiboleareresidualinthesource,andgarnetisabsent,implyingthatthemagmawasgeneratedatlowlevelsofpressure.Bycontrast,thecontemporaneousgranitesintheSEXing'anBlocksuggestasubduction-relatedtectonicsetting,anditsadakiticpropertyindicatesathickenedcontinentalcrust.WesuggestthatthePaleo-AsianOceanplatebetweentheXing'anandSongnenblockssubductednorthwardduringtheEarlyOrdovician.Meanwhile,theNESongnenBlockwasexposedtoapassivecontinentalmargintectonicsetting.

简介：源自陆地的siliciclastic的一个序列在Baxiandun外面摇庄稼，Qingdao，在在诺思中国之间的中生代collisional边界附近，块(网络控制块)和华南堵住(SCB)。这些低档变形了siliciclastic岩石被greywacke与页岩统治，manganiferous有细密纹理的沙岩，arkose和集团企业层。关于这些岩石的形成有二基本解释。一个人认为这个序列在网络控制块以内被形成，并且是白垩纪Laiyang组和Qingshan组的部分河的外形和暴烈的碎片外形出现在山东地区性的地质的地图上。另一条意见建议这些岩石表示在斜坡和盆外形的混浊depositional系统主要在奥陶纪被扔。重要地基于地观察，petrological分析，和大多数，在这的geochemical结果学习，在Baxiandun节的沉积阶层主要由siltstone，沙岩和mudstone岩性学组成。他们被深海的碎片和混浊存款在一个湖的斜坡和底统治。在Baxiandun节岩石标明日期的U-Pb由岩屑形成的锆石显示来源岩石是很复杂的，他们的年龄被改变从对早白垩纪太古代。源自陆地的岩屑的最年轻的年龄能代表沉积阶层的年龄。因此，我们推断沉积岩石属于早白垩纪深海的湖的沉积序列并且从SuluUHPorogen和华南块边缘的侵蚀有多重来源origined。

简介：Inmanyvideostandardsbasedoninter-framecompressionsuchasH.26xandMPEG,block-matchingalgorithmhasbeenwidelyadoptedasthemethodformotionestimationbecauseofitssimplicityandeffectiveness.Nevertheless,sincemotionestimationisverycomplexincomputing.Fastalgorithmformotionestimationhasalwaysbeenanimportantandattractivetopicinvideocompression.Fromtheviewpointofmakingmotionvectorfieldsmoother,thispaperproposesanewalgorithmSMVFAST.Onthebasisofmotioncorrelation,itpredictsthestartingpointbyneighboringmotionvectorsaccordingtotheirSADs.Adaptivesearchmodesareusedinitssearchprocessthroughsimplyclassifyingmotionactivity.AfterdiscoveringtheubiquitousratiobetweentheSADsofthecollocatedblocksintheconsecutiveframes,thepaperproposesaneffectivehalf-stopcriterionthatcanquicklystopthesearchprocesswithgoodenoughresults.ExperimentsshowthatSMVFASTobtainsalmostthesameresultsasthefullsearchatverylowcomputationcost,andoutperformsMVFASTandPMVFASTinspeedandquality,whichareadoptedbyMPEG-4.

简介：Measuredhighlyelevatedgainsofproton–boron（HB11）fusion（Picciottoetal.,Phys.Rev.X4,031030（2014））confirmedtheexceptionalavalanchereactionprocess（Lalousisetal.,LaserPart.Beams32,409（2014）;Horaetal.,LaserPart.Beams33,607（2015））forthecombinationofthenon-thermalblockignitionusingultrahighintensitylaserpulsesofpicosecondsduration.Theultrahighaccelerationabove1020cms-2forplasmablockswastheoreticallyandnumericallypredictedsince1978（Hora,PhysicsofLaserDrivenPlasmas（Wiley,1981）,pp.178and179）andmeasured（Sauerbrey,Phys.Plasmas3,4712（1996））inexactagreement（Horaetal.,Phys.Plasmas14,072701（2007））whenthedominatingforcewasovercomingthermalprocesses.ThisisbasedonMaxwell’sstresstensorbythedielectricpropertiesofplasmaleadingtothenonlinear（ponderomotive）forcefNLresultinginultra-fastexpandingplasmablocksbyadielectricexplosion.Combiningthiswithmeasuredultrahighmagneticfieldsandtheavalancheprocessopensanoptionforanenvironmentallyabsolutecleanandeconomicboronfusionpowerreactor.ThisissupportedalsobyotherexperimentswithveryhighHB11reactionsunderdifferentconditions（Labauneetal.,NatureCommun.4,2506（2013））.