简介：Differenceexpansion(DE)isoneofthefamousschemesinthefieldofreversibledatahiding.Withthehighefficiencyandsimplicity,DEalsohasreceivedmoreattentionovertheyears.DEhasagoodinformationcapacity,butduetoitsmajorlocationmap,thepurepayloadisratherlow.Thereforemanyscholarsdidrelevantimprovementswhichletnpixelsasaunitinsteadoftheoriginaltwopixelsasaunitandcanadaptivelyadjustthenumberofembeddingsecretinformationaccordingtothesmoothnessdegreeoftheblock,whichachievestheresultofimprovingtheinformationpayloadortheimagequality.Inthispaper,thestudyofDE-basedreversibledatahidingschemesiscomprehensivelydiscussed.TheperformanceofDEbasedschemesisevaluatedandcomparedintermsofembeddingcapacityandstego-imagequality.

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简介：Thermochromicwoodisakindofnewfunctionalmaterials.Itissignificantforthermochromicwooddevelopmenttostudysurfacefreeenergy.SamplesofChinesewhitepoplarwerecoloredusingthermochromicagentthoughthemethodofultrasonicimpregnationanditssurfacefreeenergywasinvestigatedintheexperiment.Theresultsshowedthatthesurfacefreeenergyforuntreated,black-red,orange-yellowandbluethermochromicwoodwas40.25,29.85,28.30and21.05mN/m,respectively.TheFTIRresultsshow...

简介：ThesurvivalprobabilityofsuperheavynucleiproducedincoldfusionreactionsisstudiedbyusingthestandardFermigasleveldensityformulaandanalyzedwithfissionandneutronevaporationcharacteristicspredictedindifferenttheoreticalmodels.Theleveldensityformulausedinthislettersuppressestheratioofneutronemissionwidthtofissionwidth,Гn/Гf.ThedependenceofГn/Гfonthesaddlepointleveldensityparameterandexcitationenergyisalsoinvestigated.

简介：TheapplicationsofbionicmethodologydevelopedbytheLaboratoryofDesignandMaterialSelectionasbasisinthecreationofjunctionelementsweredemonstrated.TheseelementsfavortheapplicationofEcodesigninreferencetotheeffec-tivenessofproductdismountaimingthereductionofambientimpactinallitsphasesofuse.Thecreation,thedevelopmentandtheconfectionofnewjunctionelementsweredescribed,andcasestudiesofnewproductsdevelopedspecificallywiththispurposewerepresented.

简介：Objective:Forthepurposeofunderstandingthechangingprocessofsyphilishistomorphologyanditsinjurymechanism,theultrastructureofdermatictissuesofsecondarysyphiliswasstudied.Methods:Differentskininjurytissuesofsecondarysyphilispatients,whoseserumRPRandTPHAtestsinthelabbothappearedpositivereaction,wereobservedthroughtransmissionelectronmicroscope(TEM).Results:Inflammationsappearedonepidermidesandcoria,agreatdealofneutrocytes,lymphocytesandasmallamountofplasmainfiltratedthem.Karyopyknosis,karyorrhexis,epicytelysisandmitochondrionvaculardegenerationoccurred.Spirochetapallidawasdistributedonintercellularsubstances,epicytesandcollagenousfibers.Theepicyteswerepressedtofoveation.ConclusionThepathologicalchangeofcharacteristictissueultrastructurereportedhereisahistomorphologicalfoundationtostudytheorganisminjurymechanismcausedbvsvnhilis.

简介：Objective:Thepurposeofthisexperimentalstudywastoexplorethemechanismofthevertebralosteophyteformation.Methods:Anexperimentalmodelofcervicalspondylosisinrabbitswasestablishedbyresectionofthecervicalsupraspinousandinterspinousligamentsanddetachmentoftheposteriorparavertebralmusclesfromcervicalvertebrae.Becauseofindividualdifference,Thenaturaldevelopmentprocedureofthevertebralosteophyteformationcouldbeseenwithamicroscopebydynamicobservation.Results:Thecartilageend-platewasdividedintoagrowthcartilagelayerandanarticularcartilagelayer.Vertebraeanddiscsfromthe3-monthcontrolgrouprabbitsshowednormalstructure.Thechangesofcartilageplatesfromthe3-montheexperimentalgroupandthe8-monthcontrolgroupanimalsshowedproliferationinperipheralarticularcartilage.Theosteophytesfromthe8-montheexperimentalgroupanimalscouldbeseen.Theosteophyteobviouslyarisedfromproliferation,calcificationandossificationoftheperipheralarticularcartilage.Conclusions:Thevertebralosteophytearisesfromproliferationofperipheralarticularcartilagewhichundergoescartilaginousosteophyte,andthenchangesintobonyosteophytethroughanendochondrqalcalcificationandossification.

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简介：ThispaperinvestigatestheevolutionarychangeintheOF(OF)ofhedgesindifferentmovesofEMRAs(EMRAs).Twocorporaareestablishedforlongitudinalstudy,withCorpusAconsistingofEMRAsfrom1990-1994andCorpusBfrom2005-2009.Generally,nosignificantchangehasbeenfoundinoveralluseofhedges.However,apartfrommove6,7and10,wehavefoundsomeinterestingchangesintheothermoves.Ontheonehand,theOFofhedgesinmove1,move3,move4andmove5showsasignificantincrease.Ontheotherhand,theOFofhedgesinmove2,8,9andmove11showasignificantdecrease.

简介：ＳＴＵＤＹＯＮＭＥＣＨＡＮＩＳＭＯＦＴＨＥＢＩＯＥＦＦＥＣＴＳＯＦＴＲＡＮＳＩＥＮＴＥＬＥＣＴＲＯＭＡＧＮＥＴＩＣＰＵＬＳＥＳＴＵＤＹＯＮＭＥＣＨＡＮＩＳＭＯＦＴＨＥＢＩＯＥＦＦＥＣＴＳＯＦＴＲＡＮＳＩＥＮＴＥＬＥＣＴＲＯＭＡＧＮＥＴＩＣＰＵＬＳＥＷ...

简介：Machiavelli further went on to question the loyalty of the citizens and advised the Prince that "...because men a wretched creatures who would not keep their word to you,in helping him maintain power rather than to serve to the well being of the citizens. Machiavelli promoted his belief by stating,while kind mother has brute children. Both of them believed that the relationship among human beings was a kind of naked interest_oriented relationship. They make use of each other

简介：摘要：以小试试验为基础，在连续法聚丙烯中试装置上，应用釜内聚合技术，合成高溶体强度的可发性聚丙烯（EPP）进行了两吨级中试研究，并考察装置能否平稳运行，中试产品指标是否能达到预期要求，根据环管淤浆聚合工艺特点，优化完善聚合工艺条件，为工业化试生产提供理论和实验依据，是本次试验的主要目的，对该项技术的放大工业化应用至关重要，对于EPP新产品的开发是必不可少的环节。

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简介：ChemicalformsofphosphorusinthesedimentsoftheDayaBay,theZhujiangRiverestuary,andtheXiamenBayaremeasuredwithextractionsolutionsofMgCl2,NaOH,andHCl.TheiravailabilitiestoChlorellasp.andlsochrysisgalbanaareestimatedbyusingsedimentsasthesolesourceofPinthebioassays.Theresultsshowthatthecontentsoftotalphosphorus(TP)inthesesedimentsare449.3,650.1and643.9mg/kg,respectively.ThecontentsofnonapatiteinorganicP(NAIP)extractedwithMgCl2andNaOHfrom3sedimentsare168.8,146.6and118.1mg/kg,respectively,andaccountfor18.3%～32.6%ofTP.ThephosphorusextractedwithHClsolutionisgreaterthanthatextractedwithNaOHsolutionandthelowestextractedPisMgCl2-extractableP.ThegreatestrelativegrowthratesofChlorellasp.andIsochrysisgalbanaculturedwithsedimentsareintherangeof4.3%～26.9%.TheincreasingbiomassesofthesealgaecorrespondtoNAIPandAAPP(theestimatedalgal-availableparticulateP).AAPPaccountsfor42.4%～78.2%ofNAIP,21.1%～27.1%oftotalinorganicP,and11.8%～20.3%ofTP,respectively.

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简介：OnthebasisofgradientdataofthesurfacelayerobtainedfromfoursetsofAutomaticWeatherStation(AWS)installedinLhasa,Nagqu,XigazeandNyingchiontheTibetanPlateaufromJuly1993toMarch1999accordingtotheprojectofPRC-JapanAsiamonsoonmechanismcooperativeresearch,theseasonalsurfaceroughnesslengthsanddiurnalbulktransfercoefficientsateachstationareestimated.Thenthesurfacefluxesofmomentum,sensibleheatandlatentheatarecalculatedbyusingbulkformulation,Moreover,thecompositecharacteristicsofdiurnalandmonthlyvariationofsurfacefluxesareemphaticallyanalyzedinthispaper.

简介：ThispaperconductsanempiricalresearchonthesystemrisksoftheShenzhenStockMarketusingCapitalAssetPricingModel.ThetypicalcompositionstocksonShenzhenStockMarketin1998aretakenassamples.

简介：ＳｔｕｄｙｏｎｔｈｅｃａｒｂｏｎｆｌｕｘｉｎｔｈｅＳｏｕｔｈＣｈｉｎａＳｅａ￥ＨａｎＷｕｙｉｎｇ；ＬｉｎＨｏｎｇｙｉｎｇａｎｄＣａｉＹａｎｙａ（ＲｅｃｅｉｖｅｄＭａｒｃｈ５，１９９５；ａｃｃｅｐｔｅｄＯｃｔｏｂｅｒ４，１９９５）Ａｂｓｔｒａｃｔ：Ａｃ...

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