搜索筛选:
搜索耗时1.6891秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
发布年度:
[期刊论文] 作者:JIAN Guangde DONG Jiaqi,
来源:核工业西南物理研究院年报:英文版 年份:2004
...
Study on the Stereoselective Synthesis of Carbapenem Sidechain (2S,4S)-4-Acetylsulphanyl-2- [(S)-l-p
[期刊论文] 作者:QianLIU GangFANG LiPingWU Jian,
来源:中国化学快报:英文版 年份:2004
A stereoselective and economic synthesis of the carbapenem sidechain (2S, 4S)-4-ace-tylsulphanyl-2- [ (S) 1-phenylethyl-carbamoyl] pyrrolidine-l-carboxylic acid...
[期刊论文] 作者:BinMeng MingzhiChen JunHu Jian,
来源:中国组织化学与细胞化学杂志 年份:2004
...
[期刊论文] 作者:RUAN Yun-jun,QUI Jian,
来源:实用预防医学 年份:2004
目的 观察大鼠动脉超氧化物歧化酶(SOD)活性和丙二醛(MDA)含量的增龄性变化及脱氢表雄酮(DHEA)的干预作用.方法 实验分三组:18月龄鼠组;DHEA干预鼠组(18月龄,12月龄时开始在...
Formation of hypereutectic silicon particles in hypoeutectic Al-Si alloys under the influence of hig
[期刊论文] 作者:Xiaogang Jian,Qingyou Han,
来源:中国铸造 年份:2004
...
[期刊论文] 作者:刘立业,CUI Jian,
来源:仪表技术 年份:2004
为了保证密集架保存文件的安全性,避免文件受潮损坏,在密集架系统中加入温湿度检测电路,检测密集架的工作环境;同时,在密集架内有人员查找资料时,为了避免由于密集架产生的误...
[期刊论文] 作者:周岸,GAO Jian,
来源:微计算机信息 年份:2004
本文融合FLc和PIDNN两种控制方法,并将该方法应用到船舶航向控制系统中.仿真结果表明:该控制系统响应速度快、超调量小、稳态精度高,能够快速跟踪系统输出并进行有效控制,且...
Cultivar Selection and Test Site Evaluation of Cotton Regional Trials in Jiangsu Province Based on G
[期刊论文] 作者:Jian LI,Naiyin XU,
来源:农业科学与技术(英文版) 年份:2004
This study was to evaluate the high yielding and stability of candidate cultivars, depict the adaptive planting region, analyze trial location discrim-ination a...
[期刊论文] 作者:Chao-Pin Li,Jian Wang,
来源:世界胃肠病学杂志 年份:2004
The mites found in stored food and house comprise a large group of subclass Acari, belonging to the suborder Acardida of the order Acarifornes. They can be foun...
[期刊论文] 作者:MA Jian,SUN Zengqi,
来源:清华大学学报(英文版) 年份:2004
Mutual information (MI) is a basic concept in information theory. Therefore, estimates of the MI are fundamentally important in most information theory applicat...
[期刊论文] 作者:SUN Jian,ZHANG Chun-hai,
来源:东华大学学报(英文版) 年份:2004
The high-tech industry is highlighted for advanced techniques,substantial capital investment,and smart talents.But their effective combination can not be achiev...
[期刊论文] 作者:Jian Wang,Arthur Hendricks,
来源:图书情报工作 年份:2004
Building and managing electronic journal collections in the digital environment poses many challenges for librarians, as electronic journals exist in a complex...
[期刊论文] 作者:Sun Jian,CHEN Chang-zhi,
来源:水动力学研究与进展B辑 年份:2004
A detailed experimental research on characteristics of the hydrodynamic pressure spreading in the base gap of the arch inverted plunge pool was carried out. The...
[期刊论文] 作者:LI Jian,ZHANG Gen-fu,
来源:中华器官移植杂志 年份:2004
目的 观察肾移植受者(Wistar大鼠)应用供者(SD大鼠)抗原特异性CD4+ CD25+免疫调节性T细胞(CD4+ CD25+ Treg细胞)对移植肾存活时间的影响,为CD4+ CD25+ Treg细胞在体内应用提...
[期刊论文] 作者:Zeshui XU,Jian CHEN,
来源:系统科学与系统工程学报(英文版) 年份:2004
The aim of this paper is to develop an ordered weighted distance (OWD) measure, which is thegeneralization of some widely used distance measures, including the...
[期刊论文] 作者:WANG Zhong-Tian,JIAN Guang-de,,
来源:核聚变与等离子体物理 年份:2004
An ideal current distribution in the air-core transformer coils is obtained using variation principle.Climbing mountain method is utilized for optimizing the...
Intrathecal co-administration of ketamine and morphine preventing activation of astrocytes and decre
[期刊论文] 作者:Daolin Jian,Yuke Tian,
来源:南京医科大学学报 年份:2004
Objective: To investigate the effects of intrathecal administration of ketamine, a non-competitive N-methy-D-aspartate receptor antagonist, combined with morphi...
[期刊论文] 作者:LIU Jian,魏程,
来源:微计算机应用 年份:2004
当前搜索引擎技术被广泛的应用,这使得全文检索技术和中文分词技术的研究逐渐深入.本论文致力于研究中文分词算法,通过实验对分词原理做出比较,对分词算法、词典对分词质量的...
ON USING NON-LINEAR CANONICAL CORRELATION ANALYSIS FOR VOICE CONVERSION BASED ON GAUSSIAN MIXTURE MO
[期刊论文] 作者:Jian Zhihua,Yang Zhen,
来源:电子科学学刊 年份:2004
Voice conversion algorithm aims to provide high level of similarity to the target voice with an acceptable level of quality. The main object of this paper was t...
Elevation difference of Ca2+ levels in young leaf cells of bromegrass and induced cold-tolerant enha
[期刊论文] 作者:WANG Hong,JIAN Ling-cheng,
来源:中国林学(英文版) 年份:2004
The changes of Ca2+ levels in young leaf cells of bromegrass under different controlled chilling temperatures were inves-tigated by an antimonite precipitation...
相关搜索: