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[期刊论文] 作者：PEI Yu-long,MA Ji,
来源：哈尔滨工业大学学报（英文版） 年份：2004
Regarding the postulate of traffic infrastmcture and vehicles, much attention should be given to the effect of road conditions on accidents. With large numbers...
[期刊论文] 作者：Gui-Yan Liu,Shuang-Cheng Ma,Ji,
来源：植物学报（英文版） 年份：2004
Two new triterpenoid saponins, hederagenin 3-O-α-L-arabinopyranosyl-(1→2)-α-L-arabinopyranoside named akeboside La (compound 1), oleanolic acid 3-O-α-L-arab...
Effect of flame conditions on abrasive wear performance of HVOF sprayed nanostructured WC-12Co coati
[期刊论文] 作者：WANG Yu-yue LI Chang-jiu MA Ji,
来源：中国有色金属学会会刊：英文版 年份：2004
Nanostructured WC-12Co coatings were deposited by high velocity oxy-fuel (HVOF) spraying with an agglomerated powder. The effect of flame conditions on the micr...
Effect of flame conditions on abrasive wear performance of HVOF sprayed nanostructured WC-12Co coati
[期刊论文] 作者：WANG Yu-yue,LI Chang-jiu,MA Ji,
来源：中国有色金属学会会刊（英文版） 年份：2004
Nanostructured WC-12Co coatings were deposited by high velocity oxy-fuel (HVOF) spraying with an agglomerated powder. The effect of flame conditions on the micr...
[期刊论文] 作者：CHEN Lingxin,Guan Yafeng,MA Ji,
来源：科学通报（英文版） 年份：2004
Theory and controls parameters affecting the output pressure and flow rate of the packed-bed electroosmotic pump (p-EOP), including zeta potential ζ, electric...
Magnetic characteristics of dustfall in urban area of north China and its environmental significance
[期刊论文] 作者：XIA DunSheng,YANG LiPing,MA Ji,
来源：中国科学D辑（英文版） 年份：2004
Urban particulate pollutants not only affect urban air quality but also directly threaten public health.Lanzhou has been one of the most seriously polluted citi...
Numerical analysis on flow field of weld pool during deep penetration electron beam welding of titan
[期刊论文] 作者：Wang Ting,Zhang Binggang,Ma Ji,
来源：中国焊接 年份：2004
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[期刊论文] 作者：Jin Guang Ma,Ji Ming Zhang,Hai,
来源：中国化学快报 年份：2004
The condensation of benzaldehyde, urea, and ethyl acetoacetate according to the procedure described by Biginelli was investigated at the B3LYP/6-31G(d), B3LYP/6...
Flow Ripple of Axial Piston Pump with Computational Fluid Dynamic Simulation Using Compressible Hydr
[期刊论文] 作者：MA Ji'en,XU Bing,ZHANG Bin,YA,
来源：中国机械工程学报 年份：2004
...
[期刊论文] 作者：Ma Ji,Zheng Zhi-Gang,Liu Yong-Gang,Xuan Li,
来源：中国物理B（英文版） 年份：2004
...
[期刊论文] 作者：WANG Xiaopeng,WANG Weitao,MA Ji,DENG Jie,LIU Li,
来源：黑龙江科技信息 年份：2004
Polysulfonamide (PSA) was synthesized at room temperature, the polymerization based on terephthaloyl chloride and 3,3 -diaminodiphenylsulfone in the common solv...
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