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[期刊论文] 作者:DanBiTIAN JunZHU JieFangZHU Yu, 来源:中国化学快报:英文版 年份:2004
The β-aminocarboxylic acid derivatives were synthesized by Michael addition reaction ofalkyl amine and α,β-unsaturated carbonyl compounds in the presence of...
[期刊论文] 作者:JunLi,ChuizeKong,DonghuiLiu,Yu, 来源:中国肿瘤临床:英文版 年份:2004
OBJECTIVE To promote the diagnosis and therapeutic results for renalpelvic cancer. METHODS The prognosis-related factors in 47 cases with renal pelvic cancer we...
[期刊论文] 作者:吴放,yu,AKey, 来源:计算机应用文摘 年份:2004
长期以来,免费邮箱给人的印象总是不太好——垃圾邮件多、邮箱空间小、收发信不稳定……实际上,如果应用得当,免费邮箱用户也同样可以快乐地享受电子邮件带来的种种便利。...
[期刊论文] 作者:ZhangZhibin,LiJing,LuGuxian,Yu, 来源:中国地质大学学报:英文版 年份:2004
Glancophane in Shuangjiang area, West Yunnan Province, supplies a chance for studying south segment of Lancangjiang tectonic zone. But people are at odds as to...
[期刊论文] 作者:LipingWei,HuangZhou,HuadeLi,Yu, 来源:北京科技大学学报:英文版 年份:2004
Based on the analysis of three-dimensional power conductor for DC arc furnace, the electric arc deflection model was set up and the control system of the arc di...
[期刊论文] 作者:李科,Yu Hongming, 来源:地球 年份:2004
根据堆填土边坡与自然坡底接触面的关系将山西神达梁家碛堆露天矿填土边坡划分为四类,利用地质方法简要判断各类边坡的稳定性。对于安全性最低的沟底顺向边坡,采用圆弧滑动法对......
[期刊论文] 作者:Yu Wang,Shengqing Wang, 来源:中国神经再生研究(英文版) 年份:2004
The current study sought to observe the effects of lead on histological structure and antioxidant capacity in 30-day-old mice. Spectrophotometry was used to det...
[期刊论文] 作者:YU Jian-ying,WANG Gui-ming, 来源:材料保护 年份:2004
Permeable crystalline materialcan permeate into pores and cracks of concrete and catalyze the reaction between Ca(OH) 2and unhydrated cement to generate a great...
[期刊论文] 作者:Yu QIAN,Xiaowo TANG, 来源:系统科学与系统工程学报 年份:2004
With the buyers market strengthening, retailers have begun to lead in product development by introducing their own private label products. The success of such a...
[期刊论文] 作者:Sheng Yu,Zhang Yumei, 来源:信息通信技术 年份:2004
ed by assuming a Finite State Markov Chain (FSMC) channel model. Simulation results show that the proposed scheduling algorithm can improve the performance of m...
[期刊论文] 作者:MA Wen-gang,YU Xiao-yi, 来源:计算机应用研究 年份:2004
针对3D模型自身独特结构,筛选和提取其几何特征,拟合验证其分布模型,而后利用优化后的分类算法对三维模型有无隐秘信息隐写盲检测,即针对空间域3D数据模型三角形网格几何特征隐写......
[期刊论文] 作者:Zhang Zhang,Jun Yu, 来源:基因组蛋白质组与生物信息学报(英文版) 年份:2004
The organization of the canonical genetic code needs to be thoroughly illuminated. Here we reorder the four nucleotides-adenine, thymine, guanine and cytosine-a...
[期刊论文] 作者:张彧,ZHANG Yu, 来源:城市规划 年份:2004
基于我国城市住区开发的现实条件,探讨了房地产开发企业资金规模及房地产开发成本双重作用下,城市住区土地开发规模的大小,同时结合南京市土地交易市场成交土地面积的数据分...
[期刊论文] 作者:Yu Hongwang,Wang Zhiming, 来源:数学物理学报(英文版) 年份:2004
In this article, floating quantization effects on multirate sampled-data control systems are studied. It shows that the solutions of multirate digital feedback...
[期刊论文] 作者:Li-Guo Yu,Srini Ramaswamy, 来源:计算机科学技术学报 年份:2004
Component dependency is an important software measure. It is directly related to software understandability,maintainability, and reusability. Two important para...
[期刊论文] 作者:Yu Jinghu,Shieh Narn-Rueih, 来源:数学物理学报(英文版) 年份:2004
Given a system {S1,…,SN} of N contractive similarities satisfying some strong separation condition, it has an invariant set K for the system. In this article,...
[期刊论文] 作者:YU Jian-Chang,HU Sheng-Wei, 来源:结构化学 年份:2004
Study on nanomaterials has attracted great interests in recent years. In this article,zirconia nanocrystallites of different structures have been successfully s...
[期刊论文] 作者:LI Guo-an,YU Yin, 来源:针灸推拿医学(英文版) 年份:2004
目的:观察针刺治疗女性更年期综合征的疗效.方法:依据中医治疗本病以肾为主的法则,取关元、中极、子宫、三阴交为主,治疗女性更年期综合征30例.结果:针刺治疗本病总有效率为9...
[期刊论文] 作者:MEI Jian-Min,YU Cong-hui, 来源:中国人民解放军军医大学学报(英文版) 年份:2004
Late hepatic allograft dysfunction (LHAD) is common after liver transplantation (LT) and can cause graft failure,retransplantation,or even death.A variety of et...
[期刊论文] 作者:Yu Lifan,张磊, 来源:航天控制 年份:2004
运载火箭测试发射控制系统对数据处理能力、数据通信能力的要求越来越高.本文采用最新的网络通信技术,结合CZ-3A运载火箭测发控网络的实际设计需求和设计原则,概要介绍了运载...
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