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[期刊论文] 作者:Yue-Min Xu,Yong Qiao,Ying-Long Sa,Jiong Zhang,Hui-Zhen Zhang,Xin-Ru Zhang,Deng-Long Wu,Rong CHEN,
来源:世界胃肠病学杂志(英文版) 年份:2003
AIM: To investigate the possibility of urethral reconstructionwith a free colonic mucosa graft and to present ourpreliminary experience with urethral substituti...
[期刊论文] 作者:Li-Wang Zhang,Jun REN,Liang Zhang,Hong-Mei Zhang,Bin Jin,Bo-Rong Pan,Xiao-Ming Si,Yan-Jun Zhang,Zhong-Hua,
来源:城市道桥与防洪 年份:2003
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:ZHANG Wei(张炜),ZHANG Shi-Sheng(张时声),ZHANG Shuang-Quan(张双全),Meng Jie(孟杰),
来源:中国物理快报(英文版) 年份:2003
The potential energy surface for superheavy nucleus has been studied within the framework of the constrained relativistic mean field theory, and the shell corre...
Practice and Research on Construction of Basic Life Security Program for Land-Expropriated Farmers i
[期刊论文] 作者:Cuiying Yang,Yonghui Zhang,Zuh,
来源:中国经济评论:英文版 年份:2003
...
Microwave-Assisted Cross-Coupling Reaction of Sodium Tetraphenylboratewith Carboxylic Anhydrides Cat
[期刊论文] 作者:ZHANG Yu-Quan WANG Jin-Xian WA,
来源:有机化学 年份:2003
Cross-coupling processes of aryl or alkenyl halides with organometallic compounds of main group elements cat alyzed by palladium complexes have been found exten...
A Simplifed and Efficient Synthesis of 7-Hydroxymethyl-6,7- Dihydropyrro- [ 1,2- c ]-Pyrimidine-1,3-
[期刊论文] 作者:WANG Xiao-Wei ZHANG Zhi-Li HAN,
来源:有机化学 年份:2003
The reverse transcriptase of HIV provides a key target for the development of anti-AIDS drugs. The discovery of 1-[ 2-hydroxyethoxymethyl]-6-phenylthio-thymine...
Study on Inhibitors of Methionine Synthase Ⅷ: Synthesis of 2,5-Diamino-4-oxo-6- (3-butenyl) pyrimidi
[期刊论文] 作者:ZHANG Zhi-Li WANG Hong-Tao WAN,
来源:有机化学 年份:2003
Cobalamin-dependent methionine synthase plays a crucial role in folate metabolism and such would appear to be an excellent target for rational antifolate drug d...
[期刊论文] 作者:ZHANG Ru-Zhou Mukund P. Sibi,
来源:有机化学 年份:2003
Ligand design and synthesis occupy a central theme in asymmetric catalysis. [1] In developing chiral ligands, their design should provide an opportunity for tun...
[期刊论文] 作者:Shixiong Zhang Guozhu Zeng 等,
来源:北京科技大学学报:英文版 年份:2003
The lower slope of furrow pits has following special features: small extent of weathering destruction, short time of production blasting damage, good arching ef...
[期刊论文] 作者:谷怀民,Alan Zhang,
来源:光子学报 年份:2003
采用可连续调谐的半导体二极管激光器作探测光源,将多光程吸收光谱技术、频率调制光谱技术和相敏检波技术相结合,建立了一套具有高检测灵敏度和分辨率的测量气态分子光谱和进...
[期刊论文] 作者:李明 ZHANG Jue 方竞,
来源:力学学报:英文版 年份:2003
The caustic method was utilized to study the contact force transmission in disk assemblies under impact load. The mapping equations were obtained based on the f...
[期刊论文] 作者:GUO Jiming ZHANG Zhenglu 等,
来源:地球空间信息科学学报:英文版 年份:2003
This paper focuses on the integration and data transformation between GPS and totalstation.It emphasizes on the way to transfer the WGS84 Cartesian coordinates...
[期刊论文] 作者:Yajing YE Litong ZHANG Laifei,
来源:材料科学技术:英文版 年份:2003
Molecular dynamics simulation using a universal force field has been employed to determine the diffusion coefficients of O2 and Na2SO4 vapor into B2O3 and SiC f...
[期刊论文] 作者:王志,LIMing-ling,SHENQiang,ZHANG,
来源:武汉理工大学学报:材料科学英文版 年份:2003
The influence of Mo on the microstructure, bending strength and HV of Ti/Al2O3 composite was studied, and the influence mechanism was analyzed . The results ind...
Analysis of Key Technologies and Equipments Development of Largescale Melted Extrusion Manufacturing
[期刊论文] 作者:Lei ZHANG Sheng CHEN Yongnian,
来源:材料科学技术:英文版 年份:2003
To develop large-scale RP systems used to producing functional parts and large-sized models has become an urgentcall now. In this paper, a large-scale RP system...
[期刊论文] 作者:Zhang Xiong He Gui-Ming 等,
来源:武汉大学学报:自然科学英文版 年份:2003
In the Automatic Fingerprint Identification System (AFIS), extracting the feature of fingerprint is very important. The local curvature of ridges of fingerprint...
[期刊论文] 作者:Zhang Ying Qu Fan-qi 等,
来源:武汉大学学报:自然科学英文版 年份:2003
In this article, ultrasonic degradation of copolymers--poly (3-hydroxybutyrate-co-hydroxyvalerate) (PHBV) was first reported. Effect of reaction conditions on t...
[期刊论文] 作者:ZHANG Jing-Chang LIU Kang 等,
来源:高等学校化学研究:英文版 年份:2003
A new expression of mixing rule is suggested according to the Mayson′s mixing rule in this paper, which adopts the Redlich-Kwong cubic equation of state and th...
Effect of Adding Nitrogen on Microstructure and Property of Vanadium Microalloyed Reinforcing Bar St
[期刊论文] 作者:LIU Shu-ping,YANG Cai-fu,ZHANG,
来源:钢铁研究学报:英文版 年份:2003
The mechanical properties of reinforcing bar steel microalloyed with vanadium and nitrogen (known as V-N steel) and its microstructures were studied. The result...
[期刊论文] 作者:DU Zhen-Ting ZHANG Yan-Mei WAN,
来源:有机化学 年份:2003
Bisabolane sesquiterpenes are a big family of naturally occurring products with significantly biological activities most of which can be separated from Chinese...
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