共查询到20条相似文献,搜索用时 15 毫秒
1.
《黑龙江教育学院学报》1995,(4)
itisdifficulttoteachcompositionskillsfortheteachersofEnglish.Teachershavebeenexploringbetterwaystoteachformanyyears.Thispaperdealswithawayofteachingcompositionskillsanddesignedaguidedcompositioncourse,whichhelpsthestudentsobtainthewritingskill 相似文献
2.
Oneofthesignificantproblemsarisingfromthemanagementandoperationofmutualfundishowtopre serveappropriatecash position ,whichconsistsofthecashpositionheldbymutualfundandthecashinflowre sultingfrominvestors′purchasingmutualfundshares ,tomeetinvestors′redemp… 相似文献
3.
PAN Qing yi ZHANG Jian ping 《上海大学学报(英文版)》1999,3(3):255-258
1 Introduction Inordertodetecttoxicgasleakageandtopreventspontaneouscombustionandexplosionofcombustiblegasesandorganicreagent,varioussortsofgassensorshavebeendeveloped,thedevicesthatwerespeciallyusedtodetecttraceoftoxicgasalsohavebeenresearched.Theb… 相似文献
4.
1 Introduction Itisaneasytaskforexperiencedcytopathologiststoidentifycellsunderopticalmicroscopes,butitisverycomplicatedforcomputertocarryonthesamemissionautomatically.Oneofthemajorreasonsisthevariousparametersandfeaturesofcellsthatoftenoverlapwithe… 相似文献
5.
INTRODUCTIONDoxorubicin(DOX)isakindofanthracy clinesantibioticswhoseantineoplasticspectrumisbroadandeffectisstrong.Ithasgainedwide spreaduseinthetreatmentofchildhoodleuke miaandsolidtumors.However,itsclinicaluseislimitedbyitscardiotoxicity .Thecalciumover… 相似文献
6.
Thefirstreportedmeasurementofself generatedmagneticfieldsinlaser productedplasmaswasthatofKorobkinandSerov[1] .Theyusedasmallinductioncoiltomeasurethepresenceofamagneticmomentofalaser producedsparkinair.Later,manyotherexperiments[2 ,3 ,4 ] alsore vealthatkiloga… 相似文献
7.
GU Chuan qing 《上海大学学报(英文版)》1999,(3)
1 Introduction ThenecessityforgeneralizingthescalarPadeapproximantstothem×nmatrixPadeapproximantswasdiscussedinthesettingoftheminimalpartialrealizationproblem[1].ThefeasibilityforrecursivecomputationofthematrixPadeapproximantsinthecontextofminimalp… 相似文献
8.
一、IntroductionLanguagetestingisrelatedtothelanguage ,languagelearningandlanguageteaching .Wardhaughhasrightlyobservedthatlanguageteachinginvolvesatleastthreedis ciplines:linguistics ,psychology ,andpedagogy .Linguis ticsprovidesinformationaboutlanguageinge… 相似文献
9.
1 Introduction Superconductingweaklinksareveryintriguing ,duetothefactthattheserelativesimplestructuresshowJosephsoneffect[1] .Intheory ,onlythestructuresthathavedimensionscomparablewiththecoherencelengthζareexpectedtoshowtrueJosephsonbehavior[2 ,3] .Inpracti… 相似文献
10.
KANG Hui jun CHEN Bo shi WANG Feng yao 《上海大学学报(英文版)》1999,3(4):304-307
1 Introduction Thenotionofsymmetryofadynamicalsystemhasbeenasubjectoflongstandinginterestinphysicsandmathematics.Roughlyspeaking,adynamicalsystempossessingsymmetryifitsdynamicsareinvariantunderatransformationorafamilyoftransformations.Theexistenceo… 相似文献
11.
1 Introduction Theimagelosslesscompressioncodingisanimportantpartofthedigitalimagecompressionresearch .Medicalimages,satelliteimagesandseismicdatademandloss lesscoding .Thebasicideaofcompressionistoexploitthecorrelationstructurepresentedinmostreallifeim … 相似文献
12.
《上海大学学报(英文版)》1999,(1)
ThestudyofsolitarywaveshasbeenasubjecthighlypopularandfullofinterestsinecRussell[1]firstobservedthesolitarywavesinachannelandtheresearchontheinternalsolitarywavesinstratifiedfluidsisoneofthebranchesofthissubject.Thereareextensivelyinternalsolitarywav… 相似文献
13.
INTRODUCTIONThepurposeofthisworkistoinvestigatethebackwellposednessofanonuniformbeamequationwithboundarycontrols.Itiswellknownthatifthecross sectiondimensionsofthebeamisnotnegligiblecomparedwithitslength ,thenitisnecessarytoconsidertheeffectoftherotato… 相似文献
14.
Ye Zhiming 《上海大学学报(英文版)》1999,(1)
1 Introduction Thesolutionsoftemperatureanddisplacementfieldsofdamsareofinteresttomanyresearchersinhydropowerindustryandothersforyears,becauseoftheirimportanceinthesafetyofdams.Generallyspeaking,numericalsolutionsweredevelopedtounderstandthedisplace… 相似文献
15.
DING You dong School of Computer Engineering Science Shanghai University Shanghai China 《上海大学学报(英文版)》2001,(1)
1 Introduction ThestudyofB啨ziersurfaces’convexityisusefulinCAGD (computeraidedgeometricdesign)andtherehavebeenmanydiscussionsandresultsforthecon vexityoftheB啨ziersurfaceoveratriangle[1~ 6] .ButfortheconvexityoftheB啨ziersurfaceoverarectan gle ,whatweknewisli… 相似文献
16.
黎锡强 《上海大学学报(英文版)》2000,4(2)
1 Introduction Thesputteringtechniquewellsuitsthegrowthofcompoundsandalloys ,whoseelementalconstituentshavesignificantlydifferentmelting pointsandvaporpressures.AconsiderableamountofworksaboutrfsputterdepositionofbinaryⅢ Ⅴcompoundfilmshasbeenpublished[1~… 相似文献
17.
InhisPrinciplesofPragmaticsLeechusestwo questions :[1]Whatdoes“X”mean ?[2 ]Whatdidyoumeanby“X” ?tode scribethescopeoftwobranchesoflinguistics :semanticsandpragmatics .① Thisarticleinfactgrowsoutofthetwoquestionsandthepurposeofitistodiscovertherelationshipanddi… 相似文献
18.
Ghulam Qasim Mehboob ur Rehman A. Kareem . School of Communication Information Engineering Shanghai University Shanghai China . Gomal University D.I.Kham Pakistan 《上海大学学报(英文版)》2000,4(1):27-30
1 Introduction Anumberoffullwaveanalyseshavebeenproposedinthepasttwodecades[1~3].Theseallpredictthecharacteristicsofmicrostripantennasrigorouslyathigherfrequencies.Thespectraldomainmethodofmoments[3],usingsimplebasisfunctionsrequiresalargesizematrixsuchas(… 相似文献
19.
1 Introduction ThemagneticmaterialsbeingusedinthetreatmentofdiseasesareoneofthosefastestgrowingmeasuresinmedicalscienceinChina.Thepursuingfortherapeuticalmechanismsofmagneticmaterialsisalsoanareaoftraditionalchinesemedicine.Itisnowconsideredtolessen… 相似文献
20.
Zirconiumalloyspossessingverylowabsorptionforthermalneutrons,goodcorrosionresistanceinhightemperaturewater ,andreasonablemechanicalprop ertiesareimportantmaterialsfornuclearindustry ,andhavebeenemployedasnuclearfuelcladdingandasstructurematerialsinlight… 相似文献