简介：阅读英文小说无疑是提高英文水平的“一剂良方”。面对浩瀚的小说海洋，你如何才能随意畅游、收获真知？

简介：TheInternationalJournalofSedimentResearch(edited,publishedanddistributedbyIRTCES)has,sincealongtime,beenavaluabletoolforcirculatingtechnicalandscientificresultsinthefieldoferosionandsedimentation.WiththepresentissuetheJournalhasbecometheofficialpublicationofWASER.Whatwillthisaffiliationimplyforthejournalitselfandforthereadership?

简介：Newformssteelisfewandfarbetween.InthislectureIwillillustratethreediscoverieswhichhavethepotentialofmakingsignificantnewcontributionstotheapplicationsofsteelasanengineeringmaterial.Oneofthesediscoveriesdealswiththefirsteverbulknanostructuredmetalwhichcanbemadeonalargescale,cheaplyandwithpropertieswhicharesuperiortocarbonnanotubes.Thesecondisahighlyformablesteelwhosepropertiesarenotmatchedbyanyavailabletoday.Andthethird,aweldingmaterialwhichisdesignedtotransforminsuchawaythatresidualstressesareeliminatedfromjoints.

简介：ＡＮＯＶＥＬＲＥＤＵＣＴＩＶＥＴＥＴＲＡＡＬＬＹＬＡＴＩＯＮＯＦＰＹＲＩＤＩＮＥ￥ＸｉａｎＭｏｕＺＥＮＧ；ＪｉａＱｉａｎｇ；ＣＡＩａｎｄＹｉＪｉａｎＧＵ（ＤａｌｉａｎｉｎｓｔｉｔｕｔｅｏｆＣｈｅｍｉｃａｌＰｈｙｓｉｃｓ，ＡｃａｄｅｍｉａＳｉｎｉｃａ１...

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简介：TheMagnusefectiswellknownphenomenaforproducinghighliftvaluesfromspinningsymmetricalgeometriessuchascylinders,spheres,ordisks.But,theMagnusforcemayalsobeproducedbytreadmillmotionofaerodynamicbodies.Toaccomplishthis,theskinofaerodynamicbodiesmaycirculatewithaconstantcircumferentialspeed.Here,anovelwingwithtreadmillmotionofskinisintroducedwhichmaygenerateliftatzeroairspeeds.Thenewwingmayleadtomicroaerialvehicleconfigurationsforverticaltake-oforlanding.Toprovetheconcept,theNACA0015aerofoilsectionwithcirculatingskiniscomputationallyinvestigated.Twocasesofstationaryairandmovingairarestudied.Itisobservedthatliftcanbegeneratedinstationaryairalthoughdragforceisalsohigh.Formovingair,theliftanddragforcesmaybeadoptedbetweentheincidenceangles20to25whereliftcanposseshighvaluesanddragcanremainmoderate.

简介：spirooxazine(SPO)和它的photomerocyanine(PMC)的nanoparticles通过降水方法被准备。二个不同特征被观察。一个人是为PMCnanoparticles的腐烂的一生为驱散的分子是600次那，并且其它是SPOnanoparticles的荧光紧张到240次驱散的单体的被提高。

简介：Anovelwaterproofelectronicsphygmomanometerispresentedinthispaper,thespecialdesignofsealingstructureisusedinthissphygmomanometerthatallowsthesystemtofunctionnormallyinwater.ThesystemalsoadoptstherigidaircylinderasairsourcetoensureaccuratedetectionandchoosestheMP3V5050piezoresistivetransducertoensurethemeasurementprecisionofthesystolicanddiastolicpressure.TI’sMSP430FG437isusedasthecentralprocessorsothatthesystemcanbeofadvantagesoflow-power,fastdigitalprocessingandhigh-reliability.Thesphygmomanometerwasvalidatedbythreegroupsofparticipants.Theexperimentaldataindicatesthatthemeasuredvaluesofthiswaterproofelectronicsphygmomanometerareconsistentwiththeresultsofcommonelectricsphygmomanometer,themeasureerrorislessthan5mmHg,andthesystemisstableandcredible.Sothewaterproofelectronicsphygmomanometercanrealizereal-timemonitoringofbloodpressureandheartrateinthewaterandotherspecialenvironment.

简介：Anovelpentaazadentatebismacrocydewassynthesizedthroughanimprovedprocedureof1:1Schiffbasecondensationofdiformyltripyrranewith3,4,3’,4’-tetraamino-biphenylhydrochlorideusingPh2+astemplateion,inwhichthecondensedbyproductwaterwasremovedefficientlytomaketheyieldover90%.Thenthebismacrocyclicligandreactedwithcadmiumchloridetoyieldthetitlemetalcomplexwithmolecularweightbeing1200.4byTOFMSandtheλmaxbeing766nm.

简介：Microcirculationimagesoftenhavelowqualityinacquisitionprocess,whichaffectthefollowingstepsofprocess.ThispaperintroducesenhancementalgorithmbasedonnonsubsampledContourlettransform(NSCT).Itanalyzesthecharacteristicsofthemicrocirculationimagesgenerated,andseparatesmicrocirculationimagestolightweightandthereflectionweight.ItalsoanalyzestheconstructionmethodonNSCTandprovesthatthismethodcanbeappliedonmicrocirculationimageenhancementalgorithm.Tocorrectlightweightofmicrocirculationimageandobtainenhancementimagetheenhancementmicrocirculationimagewasnotonlysuperiortotheoriginalimagevisually,butalsoimprovedobjectivedataobviously.Thealgorithmsprovideanewmethodtomicrocirculationimagepre-processingandguidethelatterstepsoftheimageprocessing.

简介：Aprecisetwo-degree-of-freedommeasuringsystem(2DMS)isdevelopedbasedonsingle-modeopticalfiber,LD,cubecornerretroreflectorandfour-quadrantphotodetector(4-Q),andthesimultaneouson-linemeasurementoflateralandverticaldirectionstraightnesserrorsofthelinearstageiscarriedout.Themovingpartiswireless,whicheliminatesanyerrorsintroducedbypushingandpullingthewires.Thesensitivityofthestraightnesserrormeasurementcanbeimprovedbyafactorof2withthecubecornerretroreflector.Thisfiber-basedopticallyalignedbeamisusedtoestablishareferencelineforthestraightnessmeasurementofanymechanicalsystem.4-Qdetectorisusedtoreceivethelaserbeam.Achipmicrocomputerisdevelopedtoconductalldataacquisitionandsignalprocessing.Thebeamdriftinfluencecanberemovedinthegreatestextentfromthesystem.Theexperimentsonthemeasurementsystemstability,repeatabilityanditscomparisonwiththeHP5528double-frequencylaserinterferometerarecarriedout.

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简介：Basedonuniformcirculararrayanditselementoutputsignaldelaydelayanovelmethodforestimationofspatialfrequency,azimuthandelevationispresented.Withoutanyspectralpeaksearchandparameterspairing,theresultingmethodis(?)resolutionandsmallvariance,eveninshortdatalength.Computersimulation(?)effectivenessofthismethod.

简介：Biomaterialssuchasbone,teeth,nacreandsilkareknowntohavesuperiormechanicalpropertiesduetotheirspecificnanocompositestructures.Herewereportthatthewoodpecker’stongueexhibitsanovelstrengthandflexibilityduetoitsspecialcompositemicro/nanostructure.Thetongueconsistsofaflexiblecartilage-and-boneskeletoncoveredwithathinlayertissueofhighstrengthandelasticity.Attheinterfacebetweenthecartilage-and-boneskeletonandthetissuelayer,thereisahierarchicalfiber-typedconnection.Itisthisspecialdesignofthetonguethatmakesthewoodpeckersefficientincatchingtheinsectsinsidetrees.Thespecialmicro/nanostructuresofthewoodpecker’stongueshowusapotentialmethodtoenhancetheinterfacialconnectionbetweensoftandhardmateriallayersforbio-inspiredcompositesystemdesigns.

简介：新奇phthalimide衍生物(4a，4b和6a6e)是被设计镇静药和NO-ASA的混血儿，和他们的化学合成并且在vitro，生物效能被介绍。初步的结果与镇静药4a相比显示出那，4b对ECV304和HepG2房间展出了提高的活动，而6c是对HepG2房间的更多的有势力。

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简介：SomeknownandnewhexaaryloxyphosphazeneN3P3(O-C6H4-R)6](R=H,CH3,OCH3,C(CH3)3,CHO,F,C6H5COOR,etc)werereadilyobtainedwithca.70%isolatedyieldinrefluxingacetonitrileinthepresenceofanhydrouspotassiumphosphate.Allcompoundswerecharacterizedbymeansofelementalanalysis,1H-NMR,31P-NMRspectroscopy.

简介：Inthiswork,anovelmethodforsculpturedsurfacesubdivisiontoimprovethemachinery'sabilityandefficiencyin5-axisCNCmachiningcomplexsurfaceisintroduced.Themethodsubdividesautomaticallyamonolithicconvexorconcaveorsimultaneouslycomplexsculpturedsurfaceintoanumberofsurfacepatchesandachievesthegoalofsimilarnormaldirectionsandsmalldifferencebetweenthecurvaturesineverypatchbyusingweightfuzzyclusteralgorithmwhichtakesthecurvaturesandnormalvectorsofthesculpturedsurfaceintoaccountsimultaneously.TheinclinationanglevariationbetweeneverytwoCutterContactPoints(CCPoints)isdecreasedineverypatchtoavoidlarge-anglerotationoftooltosavemachiningtimewhenaflat-endmillisused.Thisworkcontributestoautomating5-axisCNCtoolpathgenerationforsculpturedpartmachiningandformingafoundationforfurtherresearch.

简介：Anovelellipsoidalhelicalantennaisproposedandstudiedinthisletter.Asaspecialin-stance,thehemisphericalhelicalantennasareanalyzedfirstly,whichindicatesthatthecharacteristicsofatwo-armunitarebetterthanthatofasingle-armunit.Basedonthis,theellipsoidalhelicalantenna,formedbychangingtheaxialdirection’sdimensionofthetwo-armhemisphericalhelicalantenna,isanalyzedbythemomentmethodwithcurvedbasicandtestingfunction.TheeffectstoVSWR(VoltageStandingWaveRatio),gain,polarizationandpatternsbytheaxialdirection’sdimensionsareinves-tigated.Thestudyresultsprovidedependablegisttothechoiceofantennaformataccordingtothepracticalrequirements.