首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 15 毫秒
1.
IntroductionThemodeaccelerationmethodinrealmodetheoryhastheadvantageofgoodconvergenceovermodedisplacementapproaches[1,2].Motivatedbysimilarconsiderations,someresearchershaveestablishedacomplexmodevelocitymethod(CMVMorGVM)instatespace[3,4].Usingthecomplexmod…  相似文献   

2.
XAFS Study on Solid State Amorphization of Alloys by Mechanical Alloying   总被引:2,自引:0,他引:2  
IntroductionMechanicalalloying(MA)ofelementalpowdermixtureandmechanicalmilling (MM )ofinter metallicpowderhavebeensuccessfullyemployedinrecentyearsasamethodforsynthesizingamor phousandnano crystallinealloys[1~ 3 ] .XAFSmethodwassuccessfullyusedforunderstandi…  相似文献   

3.
Manganesedioxidefordrybatteryuseismainlypreparedbyelectrolyzingmanganesesulfate.ElectrolyticMnO2ispreparedfromMnSO4insulfuricacidsolution,inwhichelectrochemicalprincipleisutilized.MnSO4ismadethroughthatmanganesesparisimmersedinsulfuricacid.Inthepas…  相似文献   

4.
化学交联型体温形状记忆聚氨酯研究   总被引:1,自引:0,他引:1  
Shapememorypolyurethane (SMPU)isanovelfunctionalpolymermaterial.Inrecentre search ,bodytemperatureSMPUisreceivingmoreandmorespecialinteresting .Bodytempera tureSMPUbelongstosegmentedcopolymer ,whichcanbedeformedintoanyfreeshapeabovetheglasstransitiontemper…  相似文献   

5.
Imagecompressiontechniquesaredividedintotwomaincatalogues:transformcodings(DCT,JPEG,FFT,Wavelet)andnontransformcodings(PCM,DPCM).ThePCMandDPCMmethodsenableustocompressthedatawithouttransforming.Theybasedonthesignal○smodel.Compressioncanbeachievedbytr…  相似文献   

6.
MicrobialDiversityandResourcesLiuZhiheng(InstituteofMicrobioly,ChineseAcademyofSciences,P.R.C.)MichaelGoodfelow(Universityof...  相似文献   

7.
UnschuldP.U.(InstitutfürGeschichtederMedizin.Ludwig-MaximilianUniversitt,80336München)DieKonfrontationderwestlichenIndustriel...  相似文献   

8.
美国《剑桥科学文摘》三大分支之一的材料信息系统 (CarmbridgeScientificAbstracts/MaterialsInformation,简称CSA/MI) ,共分五个数据库 :《金属文摘》(METADEX/MetalsAbstracts,简称MDX) ;《工程材料文摘》(EngineeringMaterialsAbstracts,简称EMA) ;《陶瓷文摘》(CeramicsAbstracts) ;《腐蚀文摘》(CorrosionAbstracts) ;《铝工业文摘》(AluminiumIndustryAbs…  相似文献   

9.
PeriodicOrbitsonAF┐SymplecticManifolds*MaRenyi(马仁义)DepartmentofAppliedMathematics,TsinghuaUniversity,Beijing100084AbstractThe...  相似文献   

10.
<正>Esterification of Aspen Wood with Maleic Anhydride$罗马尼亚布拉索夫大学木材工业系1MatsudaH.Preparationofesterifiedwoodsbearingcarboxylgroups.WodScienceandTechnology,1987,21:75~882MatsudaH,UedaM,MoriH.Preparationandcroslinkingofoligoest....  相似文献   

11.
Pseudo┐colorimetricMethodforDetectionofPenetrationandSeamPositioninWeldingProcess*WuMinsheng(吴敏生),LuMinghui(陆铭慧),LiLuming(李路明...  相似文献   

12.
FactorizationoftheTodaHierarchyandPoissonStructureforSymplecticMaps*ZengYunbo(曾云波)DepartmentofAppliedMathematics,TsinghuaUniv...  相似文献   

13.
0 IntroductionMP 1 1isobtainedfrompepsindigestionofcytochromec .Itretainsaminoacidresidues 1 1 2 1ofcytochromec .Itisconsideredagoodmodelofc typehemeenzymesandperoxidases .Sofar,somemethodshavebeenusedtoimmobilizeMP 1 1onelectrodes ,suchasmixingupwithgraphitepast…  相似文献   

14.
ANoteOnM_MatricesYangShangjunZhangXiaodong(DeparmentofMathematicsAnhuiUniversityHefei230039)AbstractInthispaperweprovesomecon...  相似文献   

15.
ThispapergivesabriefintroductiontoFamilyAlbum,U.S.A.compiledbyHowardBeckerman,publishedbyMaxwellMacmillanInternationalPublishingGroup.Itanalysesthemainfeaturesonthebasisofcommunicativeapproachwhichisconsideredtobetheeffectiveapproachtodevelopthelearn…  相似文献   

16.
Manyofimportantphysicalandchemicalprocessesarebasedonthecapillarity—spontaneouspenetrationofliquidintotheporoussystems.Capillaryprinciplesareusedinvariousbranches.Everydaywecomeintocontactwithpracticalexamplesofwickingprocesses.Mostoftheseprocessesare…  相似文献   

17.
OntheUniquenesofMeromorphicFunctionsFangMingliang①QiuHuiling②AbstractInthispaper,theuniquenessofmeromorphicfunctionswasstudi...  相似文献   

18.
Multiphasesegmentedsiloxaneurethanecopolymershavebeenreportedintheliteraturewhichwerepreparedbyprimaryorsecondaryamineterminatedsiloxaneoligomerswithdiisocyanatesanddiols[1~6].However,becauseoftheintroductionofPDMSintothemainchainofpolyurethane,th…  相似文献   

19.
1 HigherOrderHarmonicsHigherorderharmonics(HOH)arefrequentlyusedforreactorphysicsanalysis.Forexample,HOHcanbeusedtoreconstructthefullcorefluxdistributionfromlimitedneutronmeasurementdatausingtheharmonicssynthesismethod(HSM)[1].HSMproposestoexpressthe…  相似文献   

20.
MoelingK.PavlovicJ.SchultzJ.NawrathM.PetrzlkaD.(InstituteofMedicalVirologyoftheUniversityofzurich,Glorlastrase30,CH-8028Zurlc...  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号