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[期刊论文] 作者:CHEN Qing-Guang,Xu Zhong,Zhang, 来源:水动力学研究与进展B辑 年份:2003
Two independent versions of the RNG based k-ε turbulence model in conjunction with the law of the wall have been applied to the numerical simulation of an axis...
[期刊论文] 作者:Wei-Guo Dong,QIAO Mei,Jie-Ping Yu,Jian-Ming Xu,Li Xiang,YU Xu, 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:Chuan-Lin Ding,Kun Yao,Tian-tai ZHANG,FENG Zhou,LIN Xu,Jiang-Ying Xu, 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:Can Xu,Zhao-Shen Li,Zhen-Xing Tu,GUO-MING XU,Yan-Fang Gong,Xiao-Hua Man, 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:XU Jia-Xi FU Nan-Yan GAO Yuan-, 来源:有机化学 年份:2003
Phosphonate and phosphonamidate peptides are phosphorus analogues of natural peptides. They have been great used as stable mimetics of tetrahedral transition st...
[期刊论文] 作者:DU Yangsong TIAN Shihong LI Xu, 来源:地质学报:英文版 年份:2003
A comprehensive contrast of ore-forming geological background and ore-forming fluid features, especially fluid ore-forming processes, has been performed between...
[期刊论文] 作者:XU Jia JIANG Xingzhou TANG Jin, 来源:声学技术 年份:2003
Because the existing range-Doppler algorithm in inverse synthetic aperture sonar (ISAS) is based on target model of uniform motion, it may be invalidated for ma...
[期刊论文] 作者:Ning DONG Yongdong XU Laifei C, 来源:材料科学技术:英文版 年份:2003
A series of 3D-C/SiC composites with different pyrolytic carbon (PyC) interracial layers (about 20~300 nm thick)were prepared by chemical vapor infiltration. Sim...
[期刊论文] 作者:Linxin ZHOU Yi XU Zhongtang WA, 来源:材料科学技术:英文版 年份:2003
An improved sheet hydroforming process with a movable die is proposed and investigated by elastoplastic FEM. The effects of varied process parameters on the def...
[期刊论文] 作者:JIN Yong-long,XU Nan-ping,WU S, 来源:钢铁研究学报:英文版 年份:2003
The effects of different coal ratios and reaction temperatures on silicon content in hot metal were studied under the condition of high powder coal injection (P...
[期刊论文] 作者:SUN Deng-yue,DU Feng-shan,XU S, 来源:钢铁研究学报:英文版 年份:2003
Based on upper bound element method, the analysis model for press piercing process was constructed and its analytical expressions were obtained. For decreasing...
[期刊论文] 作者:XU Li-Wen LI Fu-Wei XIA Chun-G, 来源:有机化学 年份:2003
We have demonstrated the first use of the common ionic liquids, [1] bmimBr, bmimBF4 and bmimPF6 as an environmentally benign solvent for the simple Claisen rear...
[期刊论文] 作者:LI Shuo LI Lei XU Peng-Fei, 来源:有机化学 年份:2003
Optically active nonproteinogenic amino acids[ 1] are valuable compounds of high interest not only owing to their remarkable pharmacological and biological acti...
[期刊论文] 作者:ZHANG Zhi-Hui LI Shuo XU Pen-g, 来源:有机化学 年份:2003
β-hydroxy-α-amino acids constitute an important class of compounds as naturally occurring amino acids and as components of many complex natural products posse...
[期刊论文] 作者:Xu Jianping Chai Fei Liu Zengh, 来源:海洋学报:英文版 年份:2003
On the basis of the CTD data obtained by the two cruises before and after summer monsoon burst (25th May, 1998), several significant hydrographic characteristic...
[期刊论文] 作者:Gao Aiguo Xu Fengshan Sun Haiq, 来源:海洋学报:英文版 年份:2003
The result of an analysis of mollusca remains collected from the Chukchi Sea, Beaufort Sea and Bering Sea in the First Chinese National Arctic Research Expediti...
[期刊论文] 作者:Zhi,Bin,XU,Zong,Ru,GUO, 来源:中国化学快报:英文版 年份:2003
N- (2,4-Dinitrophenyl)-4-amino-n-butyl aldehyde 3 was obtained with high yield of 80% when N- (2,4-dinitrophenyl)-L-proline 1 reacted with SOCl2 at room tempera...
[期刊论文] 作者:Qiao,Hong,CHEN,Liang,XU,等, 来源:中国化学快报:英文版 年份:2003
The synthesis of a new N,19-seco norditerpenoid alkaloid 7 bearing nitro group from yunaconitine 1 as the starting material through a series of steps was descri...
[期刊论文] 作者:Xian,Yun,XU,Xiao,Guang,LI, 来源:中国化学快报:英文版 年份:2003
The metastable phase 3c-FeyS8 with the hexagonal platelct morphology has been prepared by using solvothcrmal routc. The product was charactcrized by means of X-...
[期刊论文] 作者:Weiguo Xia,Bing Shao,Jiajie Xu, 来源:中国经济评论:英文版 年份:2003
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