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[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...
Several significant hydrographic characteristics and their formation mechanism in the South China Se
[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
...
A New Genus of Psittacosauridae (Dinosauria: Ornithopoda) and the Origin and Early Evolution of Marg
[期刊论文] 作者:YOU Hailu XU Xing WANG Xiaolin,
来源:地质学报:英文版 年份:2003
An almost complete juvenile dinosaur skull with lower jaw was discovered from the Early Cretaceous Yixian Formation in Beipiao, Liaoning Province, China. Here,...
[期刊论文] 作者:Jie HUANG Zhou XU Xin XING,
来源:材料科学技术:英文版 年份:2003
Static recrystallization behavior of austenite for micro-alloyed steel during hot rolling was studied and the influence (τ-ε diagram) of holding time and defo...
[期刊论文] 作者:Jun CAI Fei XU Weimin CAI,
来源:材料科学技术:英文版 年份:2003
A new type composite of high efficiency sound attenuation was cured. The superfine tungsten powder, plasticizerand stabilizer are added into the PVC resin and b...
[期刊论文] 作者:Bao Wei WANG Gen Hui XU,
来源:中国化学快报:英文版 年份:2003
The characteristic parameters were measured with floating double probe method when cold plasma was interacting with catalysts, such as MoO3/Al2O3, NiY, Pd/Al2O3...
[期刊论文] 作者:朱德新,Cheng,Xu,Song,Chuanhua,
来源:高技术通讯:英文版 年份:2003
Microprocessor development emphasizes hardware and software co-design. Hw/Sw co-design is a modern technique aimed at shortening the time-to-market in designing...
[期刊论文] 作者:XU Hong,WANG Qiao-chu,HAN Chou,
来源:针灸推拿医学(英文版) 年份:2003
Purpose To observe and compare the curative effects of combined acupuncture and medicine with simple herbal medicine on treatment of depression. Method Altogeth...
[期刊论文] 作者:WANG Qiang,ZHAO Wen-en,QIAO Xu,
来源:中国农业科学(英文版) 年份:2003
The separation, extraction of lycopene and its effects on the proliferation and cells cycle of the chemical-induced cells were investigated in order to research...
[期刊论文] 作者:Xu You-sheng,LIN Ji,LI Hua-Mei,
来源:黑龙江科技学院学报 年份:2003
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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