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[期刊论文] 作者:Guang Qian YU,
来源:中国化学快报:英文版 年份:2001
A new polymer-supported metallocene catalyst has been prepared. The polymer- supported metallocene displayed considerably high activity in ethylene polymerizati...
[期刊论文] 作者:Tian Yu WANG,
来源:中国化学快报:英文版 年份:2001
Diphenylchlorin (DPC) and diphenylbacteriochlorin (DPBC) were synthesized for the first time from reduction of 5,10-diphenylporphyrin (DPP). As photosensitizer...
[期刊论文] 作者:Yu Mei XING,
来源:中国化学快报:英文版 年份:2001
DFT/6-311+g** level calculations are performed to study the electron transfer bond-breaking reaction of CH3-X. The calculated values are in good agreement with...
Synthesis and Characterization of the Terpolymer of Itaconic Acid with Acrylamide and 2-Acrylamido-2
[期刊论文] 作者:Yu Min WU,
来源:中国化学快报:英文版 年份:2001
The terpolymer of itaconic acid,acrylamide and 2-acrylamido-2-methyl-1-propane sulfonic acid was synthesized through the free-radical polymerization.The IR spec...
[期刊论文] 作者:Yu Fei SONG,
来源:中国化学快报:英文版 年份:2001
In an effort to investigate the use of short peptide chains as carriers of new anti-tumor agents, we synthesized four tripeptide-cytotoxic agent conjugates: DMQ...
[期刊论文] 作者:HO Khek Yu,
来源:世界胃肠病学杂志:英文版(电子版) 年份:1999
DEFINITIONSGastroesophagealrefluxthatpredisposesanindividualtotheriskofphysicalcomplications,orproducessymptomsleadingtosign.........
Study on the Ring Eulargment Reaction: Synthesis of 7,8,13, 13a-tetrahydroisoindolo[1,2-b][3]benzaze
[期刊论文] 作者:Yu Xin LIU,
来源:中国化学快报:英文版 年份:2001
A new approach to the synthesis of 7,8,13,13a-tetrahydroisoindolo[1,2-b] [3]benzazepine 5 and 5,6,8,9,14,14a-hexahydroisoquino[1,2-b][3]benzazepine 9 and relate...
[期刊论文] 作者:Yu Cai CAO,
来源:中国化学快报:英文版 年份:2001
A novel supported liquid phase film catalyst: Supported PdCl2-(n-C4H9)4N+Cl- molten salts was found to be an effective catalyst with good stability for selectiv...
[期刊论文] 作者:Yu quan ZOU,
来源:中国化学快报:英文版 年份:2001
Chemical oxidation and metal intercalation of natural grahite was utilized to increase the capactiy and enhance the cycle propety of graphite anods in lithium i...
[期刊论文] 作者:Yu Ting ZHAO,
来源:中国化学快报:英文版 年份:2001
The thermogravimetry(TG) and derivative thermogravimetry(DTG) curves of the thermal decomposition reaction of calcium carbonate have been measured at five diffe...
[期刊论文] 作者:Yu Han GUO,
来源:中国化学快报:英文版 年份:2001
A novel reactive resin as active support was synthesized by an improved method based on seed swelling and surface coating polymerization. The resin is monosize...
[期刊论文] 作者:Yu Hua ZHANG,
来源:中国化学快报:英文版 年份:2001
A new kind of hydrazone (I) diastereoisomers was prepared with enantiomeric hydazide (II) and chiral cluster (III), which was characterized by HMBC. Unfortunat...
[期刊论文] 作者:Yu Xin CUI,
来源:中国化学快报:英文版 年份:2001
10-vinyl-8,11,13-podocatriene 8, which is a model of Carnosic acid type diterpenes, has been synthesized by an expeditious convergent synthetic approach....
Two-photon Pumped Up-conversion Lasing Properties of A Series of Organic Salts with Different Side-c
[期刊论文] 作者:Yu Peng TIAN,
来源:中国化学快报:英文版 年份:2001
The synthesis and upconverted fluorescent properties of a series of organic compounds with the structure: donor/bridge/acceptor, and different side-chains are r...
[期刊论文] 作者:Zhang Yu 张雨,
来源:东南大学学报:英文版 年份:2000
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......
A Formula of Solution for a Class of Homogeneous Recurrence of Variable Coefficients with Two Indice
[期刊论文] 作者:Yu Chang-an (1),
来源:武汉大学学报:自然科学英文版 年份:1999
在这份报纸,我们与二个索引获得可变系数的同类的复发的一个类的一般答案的一个明确的公式。...
[期刊论文] 作者:Jia Yu Xu,
来源:世界胃肠病学杂志 年份:2000
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Yue Yu Zhong-Yuan,
来源:信阳师范学院学报:自然科学版 年份:1991
...
[学位论文] 作者:高yu媛,
来源:中国农业大学 年份:2000
该论文围绕上市公司公司盲目筹资及筹资后业绩下降的问题,从提高企业可持续筹资入手,在文献查阅分析和国内外电子信息业发展特点评述的基础上,针对中国电子信息业的特点,以可...
Estimating Digital Inter-Symbol Interference Channel Blindly Based on the One-Step Branch Transition
[期刊论文] 作者:OUYANGCong-xing,WANGLi-ning,YU,
来源:中国邮电高校学报(英文版) 年份:2000
...
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