搜索筛选:
搜索耗时1.3616秒,为你在为你在102,285,761篇论文里面共找到 27 篇相符的论文内容
发布年度:
An edge-preserving algorithm of joint image restoration and volume reconstruction for rotation-scann
[期刊论文] 作者:GUO Qiang,YANG Xin,
来源:浙江大学学报A(英文版) 年份:2004
A statistical algorithm for the reconstruction from time sequence echocardiographic images is proposed in this paper.The ability to jointly restore the images a...
The Synthesis of a New Macrocyclic Dinucleating Ligand,3,6,9,17,20, 23-Hexaaza-29,30-Dihydroxy-13,27
[期刊论文] 作者:Guo Qiang SHANGGUAN,Arthur E.M,
来源:中国化学快报(英文版) 年份:2004
A new dinucleating 24-membered hexaazadiphenol macrocyclic ligand, 3,6,9,17,20, 23-hexaaza-29,30- dihydroxy-13,27-dimethyl-tricyclo [23, 3, 1, 111, 15] triacont...
[期刊论文] 作者:GUO Qiang,毕义明,
来源:指挥控制与仿真 年份:2004
针对导弹信息作战指挥效能评估中既包含定量指标,又包含定性指标,而对这些指标进行科学合理地统一评价尚存在很多困难的问题,运用云模型对其进行了研究.分析了导弹信息作战指...
Microstructure and flexural properties of carbon/carbon composite with in-situ grown carbon nanotube
[期刊论文] 作者:Hai Zhang,Lingjun Guo,Qiang So,
来源:自然科学进展(英文版) 年份:2004
...
[期刊论文] 作者:XU Xiang-hua,ZHU Jie,GUO Qiang,
来源:上海交通大学学报(英文版) 年份:2004
A fuzzy clustering analysis based phonetic tied-mixture HMM(FPTM) was presented to decrease parameter size and improve robustness of parameter training. FPTM wa...
The Study on the Stability Constant and Species Distribution of Eu (Ⅲ) and Tb (Ⅲ) Complexes with BDB
[期刊论文] 作者:Guo Qiang SHANGGUAN,Jun ZHU,Ni,
来源:中国化学快报(英文版) 年份:2004
The stability constants and species distributions of complexes of two lanthanide ions,Eu(Ⅲ) and Tb(Ⅲ), with a macrocyclic ligand, BDBPH, in 1: 1 and 2: 1 syst...
[期刊论文] 作者:Guo Qiang LI,Zhong Jian JIA,
来源:中国化学快报 年份:2004
Two new iononc derivatives, named rhododcndronc and rhododcndronsidc, were isolated from the alcoholic extract of the aerial parts of Rhododendron przwalskii Ma...
[期刊论文] 作者:Guo Qiang HU,Zhong Quan ZHANG,,
来源:中国化学快报(英文版) 年份:2004
A series of novel 9-fluoro-10-(4-methylpiperazin-1-yl)-3-substituted-8-oxo-8H-[1,2,4] triazolo[3,4-b]thiadiazino[6,5,4-ij]quinoline-7-carboxylic acids was prepa...
[期刊论文] 作者:GUO Qiang,ZHU Xiaocheng,DU Zha,
来源:机械工程学报(英文版) 年份:2004
The flow field in the tip region of an axial ventilation fan is investigated with a particle image velocimeter (PIV) system at the design condition. Flow fields...
[期刊论文] 作者:TONG Juying,GUO Qiang,TAN Xiao,
来源:稀土学报(英文版) 年份:2004
The membranes of sulfonated poly(etheretherketone) of 48.3% sulfonation degree doped with Y2O3 were prepared, and then treated with parallel high magnetic field...
[期刊论文] 作者:GUO Qiang,XU Xiang-hua,WANG Yi,
来源:哈尔滨工业大学学报 年份:2004
In order to improve the accuracy of vertical handoff decision for radio heterogeneous network, this paper proposes an intelligent adaptive multi-criteria vertic...
[期刊论文] 作者:GUO Qiang,LIU Xin-hui,HU Zhao-,
来源:计算机应用研究 年份:2004
在基本谣言传播模型的基础上引入真实信息因素,构建了SIH谣言传播模型,并借助Monte Carlo模拟对模型进行了仿真。模型分别从真实信息发布时刻,真实信息发布者的数量、度和公信力......
Synthesis and antitumor evaluation of C3/C3 fluoroquinolone dimers (I): Tethered with a fused hetero
[期刊论文] 作者:Guo Qiang Hu,Zhong Quan Zhang,,
来源:中国化学快报(英文版) 年份:2004
Five C3/C3 fluoroquinolone dimers tethered with a fused heterocyclic ring of s-triazolo[2,1-b][1,3,4]thiadiazole derived from antibacterial quinolones were synt...
Phase Transfer Catalyzed Synthesis and Antibacterial Activity of Water-soluble S-Triazolo[3,4-b][1,3
[期刊论文] 作者:Guo Qiang HU,Wen Long HUANG,Ha,
来源:中国化学快报(英文版) 年份:2004
6/3-(4-Chlorophenyl)-s-triazolo[3, 4-b][1, 3, 4]thiadiazoles (2a-e) and (5a-e) were synthesized respectively by intermolecular cyclization of 5-aryl / 4-chlorop...
[期刊论文] 作者:Guo Qiang Hu,Song Qiang Xie,We,
来源:中国化学快报(英文版) 年份:2004
Five water-soluble poly(aminoheterocyclic amine)s containing s-triazole ring were synthesized as respective HCl salts (5a-5e).Biological activities in L1210 (mu...
[期刊论文] 作者:Guo Qiang HU,Sheng LI,Wen Long,
来源:中国化学快报(英文版) 年份:2004
4-Amino-5-pyridin-4-yl-s-triazole-3-thiol (1) was sequentally reacted with 3-chloro-1-phenylpropan-1-one to afford 3-(4-amino-5-pyridin-4-yl-s-triazole-3-sulfan...
Imidazolium ionic liquid-supported sulfonic acids: Efficient and recyclable catalysts for esterifica
[期刊论文] 作者:Yue Qin Cai,Guo Qiang Yu,Chuan,
来源:中国化学快报(英文版) 年份:2004
Several imidazolium ionic liquid (IL)-supported sulfonic acids with different anions,[C3SO3Hmim]HSO4,[C3SO3Hmim]BF4,[C3SO3Hmim]PF6,and [C3SO3Hmim]CF3SO3,were sy...
Synthesis and Antibacterial Activity of 8-Substituted Phenyl-1-pyridin-3-yl-5H-bis[1, 2, 4]triazolo[
[期刊论文] 作者:Guo Qiang HU,Song Qiang XIE,We,
来源:中国化学快报(英文版) 年份:2004
To find new structural leading compounds for the research of the multidrug resistant of antibacterial agents, five novel 8-substituted phenyl-1-pyridin-3-yl-5H-...
Synthesis and Their Endothelium Vascular Relaxation of Arecoline Derivatives Containing Oxadiazoline
[期刊论文] 作者:Guo Qiang HU,Wen Long HUANG,Hu,
来源:中国化学快报 年份:2004
Ten novel 1, 1-dimethyl-3-(2-or 5-aryl-4-acetyl-2, 3-dihydro-1, 3, 4-oxadiazoline-5-or-2-yl)-1, 2, 5, 6- tetrahydropyridinium iodides were synthesized from star...
Novel preparation of monolithic imprinted columns for electrochromatographic separation by photopoly
[期刊论文] 作者:Yu Ping Zhang,Guo Qiang Zuo,We,
来源:中国化学快报(英文版) 年份:2004
A monolithic molecularly imprinted polymer with specific recognition ability for 4-hydroxybenzoic acid (4-HBA) was prepared by in situ photopolymerization, usin...
相关搜索: