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[期刊论文] 作者:Li Mouwei,
来源:中国机械工程学报 年份:2001
It is studied how the aluminum foil chatter mark is produced and controlledThe stableness of hydraulic AGC system,fluid vibration of capsule system,and elec...
ON LINE MONITORING OF BURNING THROUGH FOR SHORT CIRCUIT CO2 ARC WELDING BASED ON THE SELF-ORGANIZE F
[期刊论文] 作者:Li Di,
来源:中国机械工程学报 年份:2001
A method for automatic detection of burning through of short circuit CO2 arc welding is presented. It is based on the extraction of arc signal features as well...
[期刊论文] 作者:Li Yongtang,
来源:中国机械工程学报 年份:2001
A new typed hydraulic system of electro-hydraulic hammer is researched and developed.By means of power bond graphs the modeling and simulation to the dynamic ch...
[期刊论文] 作者:Li Runfang,
来源:中国机械工程学报 年份:2000
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[期刊论文] 作者:Li Yinghui,
来源:固体力学学报:英文版 年份:2001
Based on the linear viscoelastic differential constitutive law and cable structural model, the coupled longitudinal-transverse waves that propagate along a visc...
THE ROBUST CONTROL SCHEME FOR FREEFLOATING SPACE MANIPULATOR TO TRACK *THE DESIRED TRAJECTORY IN JOI
[期刊论文] 作者:Chen Li,
来源:固体力学学报:英文版 年份:2001
The control of a free-floating space manipulator system is discussed. With the augmentation approach, the nonlinear parameterization problem of the dynamic equa...
For Stable,Coordinated Economic and Cultural Development──Report on Forum on Cultural Work in Wester
[期刊论文] 作者:Li Shengxian,
来源:China & World Cultural Exchange 年份:2000
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[期刊论文] 作者:Li Shengxian,
来源:China & World Cultural Exchange 年份:2000
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[期刊论文] 作者:Li Shengxian,
来源:China & World Cultural Exchange 年份:2000
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[期刊论文] 作者:Li Guangshun,
来源:China & the World Cultural Exchange 年份:2000
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[期刊论文] 作者:Li Jin,
来源:China & the World Cultural Exchange 年份:2000
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[期刊论文] 作者:Weihua Li,
来源:计算机科学 年份:2002
[1]L.A. Fletcher, R. Kasturi. A Robust algorithm for text string separation from mixed text/graphics images. IEEE transaction on Pattern Analysis and Machine Inte...
Distribution of Carbon and Oxygen Isotopes in theSequence Stratigraphic Framework of the Middle andU
[期刊论文] 作者:LI Rufeng,
来源:地质学报:英文版 年份:1998
This paper discusses the distribution pattern and geological significance of the carbon and oxygen isotopes (δ13C and δ18O) in the depositional sequences of G...
[期刊论文] 作者:LI Bao-long,
来源:高等学校化学研究:英文版 年份:2001
[1]Robson, R. , Abrahams, B. F. , Batten, S. R. et al. , Supramolecular Architecture, American Chemical Society, Washington, DC, 256(1992)[2]Aakeroy, C. B. , Se...
[期刊论文] 作者:LI Xiang-qing,
来源:高等学校化学研究:英文版 年份:2001
Porphyrin polymers are of interest in relation to conductive materials[1, 2], catalysts for photosynthetic charge separation[3], or the fundamental features in...
[期刊论文] 作者:LI Yan,
来源:高等学校化学研究:英文版 年份:2001
Two potential chiral auxiliaries, N-(E)-enoyl(-)-bornane-10,2-sultams, were synthesized from (-)-bornane-10,2-sultams. The molecular crystal structures of the t...
[期刊论文] 作者:LI Min,
来源:高等学校化学研究:英文版 年份:2001
The orientational order of two liquid crystals , namely, 6-[4-(4-nitrophenylazo)phenyloxy] hexyl diethanolamines(C6) and 10-1-bromo[4-(nitrophenylazo)phenyloxy] alk...
[期刊论文] 作者:Hui-Yin Li,
来源:高等学校化学研究:英文版 年份:2001
This presentation will be focus on Practical large scale syntheses of lead compounds and drug candidates from three major therapeutic areas from DuPont Pharmace...
[期刊论文] 作者:LI DeRun,
来源:高等学校化学研究:英文版 年份:2001
The natural products containing isodaucane skeleton 1 belonged to a rare kind of sesqiterpenes.1 In recent years, investigation on this kind sesquiterpenes have...
[期刊论文] 作者:Li源,
来源:中国工商 年份:1999
在人类即将进入21世纪之际,为迎接新时代的挑战,美国企业兼并热潮方兴未艾,兼并金额连年突破纪录。自第二次世界大战后的50多年仅,美国经历了两次大的企业兼并浪潮:第一次是80年代......
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