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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...
[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
[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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