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[期刊论文] 作者:Li YU,
来源:中国科学A辑(英文版) 年份:2004
We compute all the homotopy groups of the compactly supported contactomorphism group of a contact structure on R3 which is overtwisted at infinity....
[期刊论文] 作者:YU Xin,
来源:浙江大学学报A(英文版) 年份:2004
Many papers on a wide range of control problems for Pritchard-Salamon systems have appeared and many of its important mathematical and system theoretical proper...
[期刊论文] 作者:YU Kai-an,
来源:中国海洋工程(英文版) 年份:2004
The underwater tapping machine is composed of a center bit,a tapping cutter,a sesl box,a main drive box,aboring bar assembly,a envelop,a gear case,a counter and...
[期刊论文] 作者:Yu Xianzhong,
来源:中国人口·资源与环境 年份:2004
Regular and extensive social population mobility in natural economy is neither necessary nor possible while in a planned economic system, social population dist...
[期刊论文] 作者:YU Bei-bei,
来源:海外英语(上) 年份:2004
As an Chinese saying goes that“Nothing can be accomplished without norms or standards”. Thus People always fol?low Cooperative Principle to produce successful...
[期刊论文] 作者:YU Peng-tao,
来源:海外英语(上) 年份:2004
Recast is the most frequently used error correction technique adopted by teachers in the communicative oriented class-rooms. This article illustrates the reason...
[期刊论文] 作者:ZHOU Yu,
来源:海外英语 年份:2004
Based on semantic theories this paper discusses and explains the different meanings of the Chinese character “shang”(上) in five Chinese phrases-“shang ji”...
,Computational investigations on polymerase actions in gene transcription and replication: Combining
[期刊论文] 作者:Jin Yu,
来源:中国物理B(英文版) 年份:2004
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[期刊论文] 作者:De-hao Yu,
来源:计算数学(英文版) 年份:2004
In this paper, the natural boundary integral method, and some related methods, including coupling method of the natural boundary elements and finite elements, w...
[期刊论文] 作者:Yu Hongjun,
来源:偏微分方程(英文版) 年份:2004
Global-in-time classical solutions near Maxwellians with small ampli-tude are constructed for the Vlasov-Poisson system with certain generalized Landaucollision...
Cultural Context in Literary Translation—from the Perspective of Explanatory Function and Restrictiv
[期刊论文] 作者:ZHANG Yu,,
来源:海外英语 年份:2004
Literary translation is not merely the transformation of words,but it is a cross-cultural activity from cultural perspective.The paper mainly explores the conce...
[期刊论文] 作者:Yoshi-haru Yu,,
来源:电力电子 年份:2004
Around twenty years have elapsed since the first IGBT concept has been introduced in the paper.During this time IGBT chip technology has evolved through each se...
[期刊论文] 作者:YU Guo-hua,
来源:浙江水利科技 年份:2004
随着经济社会的发展,河道生态问题倍受关注.通过对目前山区性河道整治建设中存在的问题及河道整治原有规划设计方案对河道环境及生态系统影响的分析,对山区性河道生态修复的...
[期刊论文] 作者:Zhang Yu,
来源:东南大学学报 年份:2004
基于航空涡轮发动机和工业透平机中的转子叶轮-定子间触碰故障背景,以力学建模为指导搭建了两类简支型的转子-定子触碰故障实验台架,考察了转子-定子间正常无触碰、早期尖锐型......
[期刊论文] 作者:yu chen,
来源:电脑知识与技术 年份:2004
大学几年,见过的大牛小牛没有一火车也有一大卡,到头来最佩服还是宿舍里几位姐妹,真的不是一般的强:)牛人嘛,也就少不了各种各的糗事,是偶们茶余饭后最好的八卦内容。无论是...
[期刊论文] 作者:YU Xiaohui,
来源:中国实用医刊 年份:2004
目的 应用持续性皮下胰岛素输注(CSII)短期治疗伴明显高血糖的初诊2型糖尿病,观察降血糖效果以及对血脂和炎性因子的影响. 方法 选择空腹血糖>11.1 mmol/L初诊2型糖尿病患者3...
[期刊论文] 作者:YU Xin-hua,
来源:铜业工程 年份:2004
本文介绍了在亚砷酸工艺中处理结晶硫酸铜母液的方法.该方法充分利用了液相中的高价砷,以降低亚砷酸工艺过程中铜的消耗....
Key Technology R&D Program of Rubber Chemicals Industry in the "11th Five-year Plan" Passed National
[期刊论文] 作者:Yu Tao,
来源:中国橡胶 年份:2004
As a project under National Key Technology R&D Program in the "11th Five-year Plan", "Develop- ment of Rubber Chemicals Cleaning Technology and Special Functional P...
[期刊论文] 作者:Yu jin,
来源:生殖医学杂志 年份:2004
Integrative medicine follows the principles in TCM that nature and human beings being correspondent with its holistic and dialectic views and explores the integ...
[期刊论文] 作者:YU Xin-hai,
来源:粘接 年份:2004
以马来酸酐(MA)为封端剂,以2,2-双(3-氨基-4-羟基苯基)六氟丙烷(BAHPFP)、2,2-双[4-(4-氨基苯氧基)苯基]丙烷(BAPOPP)、2,2-双[4-(3,4-二羧基苯氧基)苯基]丙烷二酐(BPADA)为...
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