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SU Xiang ZHU Guo-jin WANG Zong- wei 《武汉大学学报:自然科学英文版》2006,11(1):63-67
0 IntroductionAsneim mapnotircta nWte pbre i-sco tnhdieti oabnilfiotry r etaoli zainnngotthatee go aWle obf trhe-esources with semanticinformation[1]. However ,annotationtools so far basically allowthe user to annotate with plaintext using the method of information extraction.In manycases ,one can hardly extract semantics from Web docu-ments ,such as problemset archivesinthe Web.Massive problemset archives are availableinthe Web,for example,http://acm.uva.es, while each problemsetarchives pr… 相似文献
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本文介绍了成对电解葡萄糖,研制葡萄糖酸、葡萄糖酸锌、葡萄糖酸钙及山梨醇的有关文献,指出其各自的优缺点,并将这些文献与我们的工作进行了比较. 相似文献
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HU wei WANG Yaping ZHU Zuoyan 《科学通报(英文版)》2006,51(1):1-7
Fish make attractive candidates for conducting stud- ies in gene expression, regulation, function, and genetic modification, since they reach sexual maturity rela- tively quickly, are highly fecund, utilize an external fertilization strategy, develop exte… 相似文献
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ZHANG Zhi |yao DING Yu |wei .Department of Environment Shanxi University Taiyuan China .Jinzhong Vocational College Yuci China 《系统科学与系统工程学报(英文版)》2000,(4)
1 IntroductionAtprensent,becausethesocietyhasputintothenewtimeofinformationsociety,theeducation′sdevelopmentmustgotogetherwithit.TheUnitedNationsputforwardfourpillarofqualityeducationtoachieve″centreformenandwomen″and″lifelongeducation″.Atthesametime,ourcountryputintoatransformfromexaminationeducationtoqualityeducation.Thequalitydesirsall-aspects,all-numbersandwholeprocessdynamicanalysisinteachingandteachingevaluation.Itisaimpormentandurgentprobleminteachingmanagementatpresent.Basedont… 相似文献
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依据不同的人体环境中体内微型医用机器人不同的驱动机制,综述体内微型机器人国内外研究现状,包括仿生物游动(泳动)驱动、特殊机械机构驱动、体外特殊场(磁场、超声波场等)驱动、胶囊类内窥镜微型机器人;分析目前体内微型机器人驱动机制在运动控制、手术安全存在的问题,讨论体内微型医用机器人关键技术:尺寸微型化、驱动机制、精确控制系统和能量供应等.探讨体内微型机器人在临床疾病诊断、体内手术的应用前景和发展方向. 相似文献
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1 IntroductionRecently Wang ( 1995 ,1996 ,2 0 0 0 ) has proposed an approach to insurance pricing using theproportional hazards ( PH) transform.This approach to insurance risks is related to thedual theory of choice under uncertainty of Yaari( 1987) .The distortion pricing continuesto be a subjectfordebate.We do notcover all of the properties of the distortion pricing inthis paper.Instead we concentrate on the distortion function approach,and derive an ex-tensive distortion operatormodel ba… 相似文献
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1 IntroductionIn mathematics,there are two distinctsystem ofthoughts and methods:axiomatic methodand mechanical method. As consequences,there are two kinds of major activities,one istheorem proving and another is equation solving.In contrast to the Eucli… 相似文献
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LIANG Jia hua LU Cai mei CAO Xuan wei Department of Environment Science Shanxi University Taiyuan China College of Adult Education Shanxi University Taiyuan China 《系统科学与系统工程学报(英文版)》2001,10(1)
1 IntroductionThe research of Enterprise Management Information System under the background ofINTERNET has been an important problem for discussion in many fields such asmanagement science,natural science and systems engineering.But up to now it onlyfocuses on how to obtain and issue information,it doesn′t cover the innovation enterprisedevelopment under INTERNET facing and the problem how to support the innovation.This paper analyses the reform of enterprise development and discusse… 相似文献
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Wu Da |wei Peng Li |li Lu Ning Peng You |gui .Wuhan University Honor Advanced Material Company Wuhan Hubei China .School of Physics Technology Wuhan University Wuh an Hubei China 《武汉大学学报:自然科学英文版》2003,8(1)
0 IntroductionC3N4 isanewlydevelopedsuperhardcoatingmaterial.Itwaspredictedbytheorytohaveahardnessthatcanbecomparabletoorevenexceedingthatofdiamond[1 4 ] ,whichcausestheattentionofmanyscientists.Fujimoto[5] depositedC3N4 coatingsonWCsubstratesbyIonAssistedDyna… 相似文献