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Generalized Lutzky Conserved Quantities of Holonomic Systems with Remainder Coordinates Subjected to
[期刊论文] 作者:ZHANG Yi,
来源:理论物理通讯(英文版) 年份:2004
This paper focuses on studying the relation between a velocity-dependent symmetry and a generalized Lutzky conserved quantity for a holonomic system with remain...
[期刊论文] 作者:OUYANG Yi,
来源:中国科学A辑(英文版) 年份:2004
We study the Gross conjecture for the cyclotomic function field extension k(∧f)/k where k = Fq(t) is the rational function field and f is a monic polynomial in...
[期刊论文] 作者:LIAO Yi,
来源:中国物理C(英文版) 年份:2004
The recent results by the PVLAS group on possible changes of polarization of laser light in a transverse magnetic field are beyond the QED expectations by many...
[期刊论文] 作者:Yi WANG,
来源:应用数学和力学(英文版) 年份:2004
A new pressure Poisson equation method with viscous terms is established on staggered grids. The derivations show that the newly established pressure equation h...
[期刊论文] 作者:ZHANG Yi,
来源:图书馆论坛 年份:2004
从民间征集图书是中国古代官府常用的图书收集办法.文章介绍了官府征书的由来和它的几大特点,以及征书的作用和历史意义....
[期刊论文] 作者:WANG Yi,
来源:中国科学院院刊:英文版 年份:2004
Significant changes have taken place with regard to the global environment and development since the United Nations Conference on Environment and Development (UN...
[期刊论文] 作者:Liu Yi,
来源:中国纺织(英文版) 年份:2004
The world's leading fabric fair, the Premiere Vision show is held twice a year in Paris. Today it is at the heart of an international network. Over the past ten...
[期刊论文] 作者:WU Yi,
来源:山地学报 年份:2004
对云南石林地质公园景区及其保护区内喀斯特山地典型森林类型凋落物组成与数量及其动态,地表死地被物现存量与持水特性等进行了研究.结果表明,本区域保护较好的滇青冈(Cyclob...
[期刊论文] 作者:ZHANG Yi,
来源:自然科学进展 年份:2004
A general approach to the construction of conservation laws for mechanical systems with unilateral holonomic constraints by finding corresponding integrating fa...
An analysis of environmental risks in Sichuan Province to relocate the textile industry from east Ch
[期刊论文] 作者:YANG Yi,
来源:生态经济(英文版) 年份:2004
The trend of transferring eastern textile industry to western regions in China is increasingly obvious. As for Sichuan Province, it is a chance to promote econo...
[期刊论文] 作者:Yi Xianrong,
来源:北京周报(英文版) 年份:2004
...
[期刊论文] 作者:Yi Xianrong,
来源:BUSINESS 年份:2004
The financial crisis deriving from the United States in 2008 has not only trapped the global economy in a cycle of recession,but also greatly changed the struct...
[期刊论文] 作者:YI XUAN,
来源: 年份:2004
Although the United States and other Western countries have increased the number of troops in Afghanistan,hoping to hit Al Qaeda and the Taliban harder,the cou...
[期刊论文] 作者:Yi Xianrong,
来源:北京周报(英文版) 年份:2004
...
A Probe into Humorous Effects of TV Programs from the Perspective of Cooperative Principle-A Case St
[期刊论文] 作者:ZHENG Yi,
来源:海外英语(上) 年份:2004
This paper probes into the dialogues in If You Are the One based on the theoretical framework of Grice’s Cooperative Principle, with a view to discovering humo...
[期刊论文] 作者:YE Yi,
来源:海外英语(上) 年份:2004
This paper is based on three observations and independent thinking of the classroom teaching of the author ’s col-leagues. It attempts to examine how macro and...
[期刊论文] 作者:YI Ting-jun,
来源:水土保持研究 年份:2004
采用水力模型试验的方法,针对典型工程,对桥墩周围河床的局部冲刷及拦沙坝的防护作用进行研究.初步研究表明,在桥墩下游修建拦沙坝作为遏制浅基桥梁附近河段溯源冲刷的工程防...
[期刊论文] 作者:Yi Cao,
来源:城市道桥与防洪 年份:2004
Static "self-optimising" control is an important concept, which provides a link between static optimisation and control[1]. According to the concept, a dynamic...
On the Washback of College English Test Band 4(CET-4) in China and Its Implications for Further Impr
[期刊论文] 作者:YI Shan-yu,,
来源:海外英语 年份:2004
Abstract:As a national standardized test of significance,CET-4 has its positive washback as well as negative washback.College English teaching and learning shou...
[期刊论文] 作者:Turgut Yi■it,
来源:Journal of Ancient Civilizations 年份:2004
The events we will be dwelling upon and which are known from the cuneiform sources unearthed at Boeazk?y date directly to the time of Hattu?ili I or later, and...
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