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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:FENG Xiao-xin,FENG Nai-qian,HA, 来源:武汉理工大学学报(材料科学版)英 年份:2003
The effect of the composite of natural zeolite and fly ash on alkali-silica reaction ( ASR ) was studied with natural alkali-reactive aggregate and quartz glass...
[期刊论文] 作者:FENG Xi-chun, 来源:化学与生物工程 年份:2003
Aziridines are valuable synthetic reagents and intermediates[1~3].  ……...
[期刊论文] 作者:Feng Ma, 来源:世界地质:英文版 年份:2003
The average size of the sand of dune in the vicinity of Tumen River is 0.12~0.30 mm, its standard deviation is 0.45~0.99 φ and the frequency cumulative distribut...
[期刊论文] 作者:FENG Yan, 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...
[期刊论文] 作者:FENG Guo, 来源:黑龙江科技信息 年份:2003
本文通过对荣华二采区10...
[期刊论文] 作者:FENG Guo, 来源:黑龙江科技信息 年份:2003
本文通过对荣华二采区10...
[期刊论文] 作者:FENG Peng, 来源:天然气化学(英文版) 年份:2003
The direct carbonylation of methanol, without any halide in the feed as a promoter, ispresented. A series of Mo catalysts supported on activated carbon, γ-Al2O...
[期刊论文] 作者:Ke Qin FENG,Feng Mei LIU, 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...
[期刊论文] 作者:Feng Gao,Zongjie Wu, 来源:中国经济评论:英文版 年份:2003
[期刊论文] 作者:ZHANG Ruiquan FENG Shaosong, 来源:声学技术 年份:2003
In order to develop the nonlinear echo image system to diagnose pathological changes in biological tissue , a simple physical model to analyse the character of...
[期刊论文] 作者:LIU Feng FAN Shuanshi, 来源:化工学报 年份:2003
A brief presentations on experimental research of natural gas hydrate (NGH) in porous sediments in the past several years are given. The contents are divided in...
[期刊论文] 作者:FENG Yu-Ling SUN Jing-Guo, 来源:有机化学 年份:2003
Clarithromycin, 6- O-methylerythromycin A (CAM), is a semisynthetic macrolide antibiotic of 6 which exhibits strong antibacterial activity toward a wide range o...
[期刊论文] 作者:YuFu,HuanChen,Shi-longBai,Feng, 来源:高分子科学:英文版 年份:2003
On the basis of hydrogen bonding directed layer-by-layer (LbL) assembly we have fabricated two multilayer systems, poly(acrylic acid) bearing spironaphthoxazine...
[期刊论文] 作者:Wei,Wang,Bo,Feng, 来源:中国天文和天体物理学报:英文版 年份:2003
We study several quintessence models which are exotic at Q = 0, anduse a simple constraint Q ≥ H/2π to check when they enter the tracking regime,disregarding...
[期刊论文] 作者:XIAO Feng,YANG Ren-hui,, 来源:Journal of Iron and Steel Research(International) 年份:2003
A new experimental method was developed to simulate the generation of the surface transversal crack on the continuous casting slab with a discontinuous sample....
[期刊论文] 作者:FENG Ling-yun1,CAO Xian-ying1,, 来源:中国生物医学工程学报:英文版 年份:2003
[期刊论文] 作者:YUAN Feng,赵军辉, 来源:云南天文台台刊 年份:2003
银河中心为我们提供了一个唯一的天体物理实验室来用以研究各式各样的天体物理过程.在文中,我们总结和归纳了关于Sgr A*观测的最新结果,主要涉及源的结构和在流量密度方面的...
[期刊论文] 作者:CHEN Feng,WANG Si-you, 来源:针灸推拿医学(英文版) 年份:2003
Yaoyangguan ( GV 3 ), Shiqizhui ( Ex-B 8) and Yanglingquan (GB 34) were selected as main points and a three-part needle insertion technique was used to treat 32...
[期刊论文] 作者:DONG Yu-Bing,FENG Qing-Guo, 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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