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[期刊论文] 作者：Tian Zuzhi,Hou Youfu,Tian Zuzh,
来源：矿业科学技术（英文版） 年份：2004
The theory of magnetic circuit design,the constitutive equations of a magneto-rheological fluid,and the load properties of belt conveyors were used to design a...
[期刊论文] 作者：Jin Peng,TIAN Tian,Sun Zhihui,,
来源：科学通报（英文版） 年份：2004
As a good model for studying early development of vertebrates, zebrafish (Danio rerio) is attracting more and more attention. Following ENU mutagenesis, 320 F2...
Formulas to Solve the (2 + 1)-Dimensional System:The (2 + 1)-Extension of Classical Boussinesq Syste
[期刊论文] 作者：TIAN Yong-Bo,CHENG Yi,TIAN Cho,
来源：理论物理通讯 年份：2004
We deal with the (2 + 1)-extension of classical Boussinesq system,which can reduce to several meaningful(1 + 1)-dimensional systems.By studying its Lax pair,we...
An Invariance for (2+1)-Extension of Burgers Equation and Formulae to Obtain Solutions of KP Equatio
[期刊论文] 作者：TIAN Yong-Bo,TIAN Chou,SHAO Na,
来源：理论物理通讯（英文版） 年份：2004
In this article, we study the (2+1)-extension of Burgers equation and the KP equation. At first, based on a known Backlund transformation and corresponding Lax...
[期刊论文] 作者：Qing Chao Liu,Tian Tian Guo,Zh,
来源：中国化学快报（英文版） 年份：2004
Facile synthesis of the two new natural heterocyclic compounds bretschneiderazines A (2) and B (3), isolated from an extract of the stems of Bretschneidera sine...
[期刊论文] 作者：Wei Zhang,Tian Tian Sun,Duo Me,
来源：中国化学快报（英文版） 年份：2004
The protected (2S,4R)-2-amino-4-methyldecanoic acid, a proposed component of culicinins has been synthesized over 10 steps and in total 28% yields using Wittig...
SYNTHESIS OF POLYBINAPHTHYLS INCORPORATING CHIRAL （R）-1,1′-BI-2,2′-NAPHTHOL ENTITIES WITH p-DIVINYLB
[期刊论文] 作者：Yi-xiangCheng Ling-wuChen Tian,
来源：高分子科学：英文版 年份：2004
Polymer (Ⅰ) and polymer (Ⅱ) were obtained by the polymerization of (R)-6,6′-dibromo-2,2′-binaphtho-20-crown-6(M-1) and (R)-6,6′-dibromo-2,2′-di(methoxyeth...
[期刊论文] 作者：B.SIEBERT,TIAN Gang,
来源：数学年刊B辑 年份：2004
For an almost complex structure J on U C R4 pseudo-holomorphically fibered over C a J holomorphic curve C C U can be described by a Weierstrass polynomial. The...
[期刊论文] 作者：TIAN Xiao-hong,M.SAIGUSA,
来源：土壤圈（意译名） 年份：2004
The response of tomato (Lycopersicon esculentum) plants basically fertilized with 0.3 g N per plant of compound fertilizer with a N:P2O5:K2O ratio of 20:10:20 t...
The synthesis, characterization and X-ray diffractometry structure of fluorine-containing cyclobis(p
[期刊论文] 作者：Hai Tao Xi,Tian Tian Yi,Xiao Q,
来源：中国化学快报（英文版） 年份：2004
Two novel fluorine-containing cyclophanes 1 and 2 incorporating a 1,4-bismethylfluorophenylene subunits have been synthesized via the template-directed clipping...
[期刊论文] 作者：Fei-yan TIAN, Xiao-ming CHEN,,
来源：Frontiers of Information Technology & Electronic Engineering 年份：2004
作为一种前沿的物理层技术,非正交多址接入技术允许多用户共享同一时空资源,因此增加了可接入用户数量,从而改善频谱效率。在第5代及未来无线通信网络中,非正交多址接入技术...
[期刊论文] 作者：Tian Jinping Yin Yingwu,
来源：合成化学 年份：2004
A series of amino acids and carboxylic acids were determined by 13C NMR spectroscopy.The results showed that addition of 3M MgCl2 led to the 13C NMR integral ar...
[期刊论文] 作者：JIN Feng,LI Tian,
来源：北京理工大学学报（英文版） 年份：2004
...
[期刊论文] 作者：TIAN Kang-shenga,高岚,
来源：现代雷达 年份：2004
针对多传感器系统存在观测数据过多,数据融合中心处理负担过重的问题,在引入一种基于传感器观测数据序贯处理的最优异步融合算法的基础上,提出一种基于目标协方差控制的传感...
EXACT ANALYSIS OF SPURIOUS SIGNALS IN DIRECT DIGITAL FREQUENCY SYNTHESIZERS DUE TO AMPLITUDE QUANTIZ
[期刊论文] 作者：Tian Xinguang,Zhang Eryang,
来源：电子科学学刊（英文版） 年份：2004
...
[期刊论文] 作者：TIAN Wei-dong,QIANG Ji-peng,
来源：计算机应用研究 年份：2004
目前，问句相似度的计算主要借鉴普通陈述句的相似度计算方法。由于普通陈述句的相似性更多反映的是语句间语义上的匹配符合程度，而衡量问句间的相似性则须同时考虑问句及其答案......
[期刊论文] 作者：TIAN Yan-feng,GUO Qing-ding,
来源：哈尔滨工业大学学报（英文版） 年份：2004
A robustness-tracking control scheme based on combining H∞ robust control and sliding mode control is proposed for a direct drive AC permanent-magnet linear mo...
[期刊论文] 作者：YAO Xiong-liang,TIAN Zheng-don,
来源：船舶与海洋工程学报（英文版） 年份：2004
A new isolator composed of a steel rope spring and a magneto-rheological (MR) damper was designed and a study on low-frequency mechanical characteristics of MR...
[期刊论文] 作者：洪涛,Koh Tian Hai,
来源：中国介入心脏病学杂志 年份：2004
目的探讨经桡动脉穿刺行冠状动脉介入治疗的可行性和安全性.方法116例冠心病患者(男96例,女20例,平均年龄57.44±9.40岁)经桡动脉穿刺行冠状动脉介入治疗.结果5例桡动脉穿刺...
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...
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