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简介：Thehighpressureequationofstateforcarbonisconstructedbysomesimplephysicalmodels.Forsolidstate,amultiphaseequationofstateisconsidered,whichincludesfoursolidstates.Forliquidstate,theliquidperturbationtheoryofCRISmodelisused.Inthehightemperature,theelectroniccontributionisobtainedbytheionizationequilibriumtheory.Theresultofourcalculationbasedontheabovemodelsiscomparedwiththefirstprincipledensityfunctionalcalculationandtheothermodels.TheHugoniotandthephasediagramofcarbonarealsocomparedwiththeexperiments.Theresultsaresatisfactory.

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简介：Laminatedhard-softintegratedstructuresplayasignificantroleinthefabricationanddevelopmentofflexibleelectronicsdevices.Flexibleelectronicshaveadvantageouscharacteristicssuchassoftandlight-weight,canbefolded,twisted,flippedinside-out,orbepastedontoothersurfacesofarbitraryshapes.Inthispaper,ananalyticalmodelispresentedtostudythemechanicsoflaminatedhard-softstructuresinflexibleelectronicsunderastickupstate.Thirdorderpolynomialsareusedtodescribethedisplacementfield,andtheprincipleofvirtualworkisadoptedtoderivethegoverningequationsandboundaryconditions.Thenormalstrainandtheshearstressalongthethicknessdirectioninthebimaterialregionareobtainedanalytically,whichagreewellwiththeresultsfromfiniteelementanalysis.Theanalyticalmodelcanbeusedtoanalyzestickupstatelaminatedstructures,andcanserveasavaluablereferenceforthefailurepredictionandoptimaldesignofflexibleelectronicsinthefuture.

简介：Aimingathandlingcomplicatedmaneuversorotherunpredictedemergenciesforhypersonicglidevehicletracking,threecoupleddynamicmodelsofstateestimationbasedontheprioriinformationbetweenguidancevariablesandaerodynamicsarepresented.Firstly,theaerodynamicaccelerationactingonthetargetisanalyzedtorevealtheessenceofthetarget’smotion.Thenthreecoupledstructuresformodelingaerodynamicparametersaredevelopedbydifferentideas:thespiralmodelwithaharmonicoscillator,thebankmodelwithtrigonometricfunctionsofthebankangleandtheguidemodelwiththechangingruleofguidancevariables.Meanwhile,thecomparisondiscussionisconcludedtoshowthenoveltyandadvantageofthesemodels.Finally,aperformanceassessmentindifferentsimulationcasesispresentedanddetailedanalysisisrevealed.Theresultsshowthattheproposedmodelsperformexcellentproperties.Moreover,theguidemodelproducesthebesttrackingperformanceandthebankmodelshowsthesecond;however,thespiralmodeldoesnotoutperformthemaneuveringreentryvehicle(MaRV)modelmarkedly.

简介：Wesolvethelocaluniaxialtensionofaninfiniterodintheframeworkofnon-ordinarystate-basedperidynamics.Thesingularsolutionsofstressanddisplacementareacquired.Whentheinfluencingrangeofthewindowfunctionapproacheszero,thesetwosolutionswillreturntothesolutionsoftheclassicalelasticity.Theanalysisshowsthatthesingularitiesofthesolutionsstemfromsuchafeatureofthewindowfunctionthatmustberepresentedbyarapidlydecreasingfunctioninphysics.Contrarytotheclassicalelasticity,thestresssolutionofperidynamicsissmootherthanthedisplacementsolution.Inaddition,acriterionusedtoselectthewindowfunctionisproposedinthispaper.

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简介：WestudiedthestatesofrareearthelementsinoreoftheXianglushanrareearthdeposit.Rareearthoresamplesweretestedandexaminedbyscanningelectronmicroscope,electronprobe,andchemicalleaching.Noindependentrareearthmineralsweredetectedbyscanningelectronmicroscope.Elementsdetectedbytheelectronicprobefortheinsitumicro-zoneofthesampleincluded:O,Al,Si,Ca,Mg,Fe,Ti,K,Na,S,Cl,C,Cu,Cr,V,andPt.Rareearthelementswerenotdetectedbyelectronprobe.(NH4)2SO4,(NH4)Cl,NaCl,andH2SO4wereusedasreagentsinchemicalleachingexperimentsthateasilyleachedoutrareearthelementsundertheactionof10%reagent,indicatingthattherareearthelementsinorearemainlyintheionicstateratherthanpresentasrareearthminerals.

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简介：没有已知的州的方程，新州的评价策略被设计对为电子的恶意的攻击是物理系统。由数据重建的想法启发了，(CS)压缩察觉到基于系统状态的Markov图在察觉和鉴定计划以后被用于剩余大小的重建，它对欺骗攻击增加州的评价策略的跳回。首先，observability分析被介绍从攻击决定测量重建和损坏水平的被触发的时间。特别地，学习的字典被建议由K单个的值分解(K-SVD)形成过去完成的字典，它根据测量数据的特征适应地被生产。由于剩余大小的不规则，另外，一个采样矩阵作为测量矩阵被设计。最后，模拟实验在6公共汽车力量系统上被执行。大小的重建被建议重建方法完成很好的结果表演，和相应效果分别地基于联合字典和传统的高斯或Bernoulli随机的矩阵比重建计划好。特别，当仅仅29%可得到的干净大小是左的时，建议策略的性能仍然是非凡的，它为五种恢复算法反映概论。

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简介：Acompositedintegratedguidanceandcontrol(IGC)algorithmispresentedtotackletheproblemoftheIGCdesigninthedivephaseforthebank-to-turn(BTT)vehiclewiththeinaccuracyinformationoftheline-of-sight(LOS)rate.Forthesakeoftheoreticalderivation,anIGCmodelinthepitchplaneisestablished.Thehigh-orderfinite-timestateobserver(FTSO),withtheLOSangleasthesingleinput,isemployedtoreconstructthestatesofthesystemonline.Besides,acompositedIGCalgorithmispresentedviathefusionofback-steppinganddynamicinverse.ComparedwiththetraditionalIGCalgorithm,theproposedcompositedIGCmethodcanattenuateeffectivelythedesignconservationoftheflightcontrolsystem,whiletheLOSrateismixedwithnoise.Extensiveexperimentshavebeenperformedtodemonstratethattheproposedapproachisgloballyfinite-timestableandstronglyrobustagainstparameteruncertainty.

简介：Background：Theisometricsteady-statefollowingactivelengtheningisassociatedwithgreatertorqueproductionandloweractivation,asmeasuredbyelectromyographicactivity（EMG）,incomparisonwithapurelyisometriccontraction（ISO）atthesamejointangle.Thisphenomenonistermedresidualforceenhancement（RFE）.WhiletherehasbeenagreatdealofresearchinvestigatingthebasicmechanismsofRFE,littleworkhasbeenperformedtounderstandtheeverydayrelevanceofRFE.ThepurposeofthisstudywastoinvestigatewhetherneuromuscularcontrolstrategiesdifferbetweenISOandRFEbymeasuringtorquesteadinessofthehumanankleplantarflexors.Methods：FollowingISOmaximalvoluntarycontractionsin12males（25±4years）,anactivelengtheningcontractionwasperformedat15°/sovera30°ankleexcursion,endingatthesamejointangleasISO（5°dorsiflexion;RFE）.SurfaceEMGofthetibialisanteriorandsoleusmuscleswasrecordedduringalltasks.Torquesteadinesswasdeterminedasthestandarddeviation（SD）andcoefficientofvariation（CV）ofthetorquetraceintheISOandRFEconditionduringactivation-matching（20%and60%integratedEMG）andtorque-matching（20%and60%maximalvoluntarycontraction）experiments.Two-tailed,pairedttestswereused,withinsubjects,todeterminethepresenceofRFE/activationreduction（AR）andwhethertherewasadifferenceintorquesteadinessbetweenISOandRFEconditions.Results：Duringthemaximalandsubmaximalconditions,therewas5%-9%RFEwitha9%-11%AR（p〈0.05）,respectively,withnodifferenceinantagonistcoactivationbetweenRFEandISO（p〉0.05）.TherewerenodifferencesinSDandCVofthetorquetraceforthe20%and60%activation-matchingorthe60%andmaximaltorque-matchingtrialsineithertheRFEorISOcondition（p〉0.05）.Duringthe20%torquematchingtrial,therewere～37%highervaluesforSDandCVintheRFEascomparedwiththeISOcondition（p〈0.05）.Asignificantmoderate-to-strongnegativerelatio

简介：磨擦促使处理(FSP)作为在12修理裂缝的一个方法被调查?公里厚304L不锈钢板。愈合的可行性被用一个PCBN/W-Re工具处理一个逐渐变细的裂缝与表明一25?公里直径肩膀和6.4的大头针长度?公里。实验证明愈合是可能的开始的一个裂缝狭窄然后日益增多地长大到2的宽度?公里。板实验上的祷告被用来为创造发现最好的参数一巩固与贱金属相比与坚硬差别的最少的数量搅动地区。在一些标本的谷物精炼更高导致了大部分搅动地区坚硬，与贱金属相比。谷物尺寸对microhardness的一个阴谋显示出在谷物尺寸和坚硬之间的很强壮的反的关联，从Hall-Petch关系期望。腐蚀测试被执行以便在stir地区的潜在的促进感受性上评估FSP的效果。在1000以后?在在没有腐蚀产品在基础材料控制上或在任何磨擦上形成了，这被发现的房间温度的3.5%盐溶液的断断续续的沉浸的h搅动处理标本。

简介：Developmentofhighenergylasersourceswithnanosecondpulsesatseveralhertzvaluesforrepetitionratehasbeenveryattractiveinrecentyearsduetotheirgreatpotentialforpracticalapplications.Withtherecentadvancementinfabricatinglargesizelaserqualitytransparentceramics,diodepumpedsolid-statelasergeneratingpulseenergyof100Jat10HzhasbeenrecentlyrealizedatHiLASEcenterusingYb:YAGceramicwithCr:YAGcladding.ThisreviewdiscussesYbbasedhighenergylasers,specificlasergeometriesforefficientthermalmanagementandtheroleoftransparentceramicsinsuchdiodepumpedhigh-energy-classsolid-statelasersaroundtheworld.