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Relative Stability of the Key Enamine, Oxazolidinone, and Imine Intermediates in Some Proline-cataly
[期刊论文] 作者：HU Yi-Fan LU Xin,
来源：结构化学 年份：2008
Many proline-catalyzed asymmetric addition reactions with ketones as substrates were assumed to involve a key intermediate, an enamine, produced by the condensa...
Relative Stability of the Key Enamine,Oxazolidinone, and Imine Intermediates in Some Proline-catalyz
[期刊论文] 作者：HU Yi-Fan,LU Xin,
来源：黑龙江科技学院学报 年份：2008
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...
Relative Stability of the Key Enamine,Oxazolidinone, and Imine Intermediates in Some Proline-catalyz
[期刊论文] 作者：HU Yi-Fan,LU Xin,
来源：结构化学 年份：2004
Many proline-catalyzed asymmetric addition reactions with ketones as substrates were assumed to involve a key intermediate, an enamine, produced by the condensa...
[期刊论文] 作者：Hu Yi-Fan,Beling C D,
来源：中国物理(英文版) 年份：2005
Positron annihilation spectroscopy on GaN films grown on SiC substrate with MBE are presented. It is shown that the GaN/SiC interface is rectifying towards posi...
[期刊论文] 作者：Dong Xi-Jie,Hu Yi-Fan,Wu Yu-Ying,
来源：中国物理B（英文版） 年份：2010
...
,Probing Cu Diffusion Barrier Layers on Porous Low-Dielectric-Constant Films by Posireonium Annihila
[期刊论文] 作者：HU Yi-Fan,SUN Jia-Ning,Gidley D.W.,
来源：中国物理快报（英文版） 年份：2005
Two kinds of Cu diffusion barrier layers, sealedfilms and capped fi1ms, on nanoporous low-dielectric-constant filmsare investigated by positronium annihilation...
[期刊论文] 作者：HU Yi-Fan,C.D. Beling,S. Fung,
来源：中国物理快报（英文版） 年份：2005
Depth profiled Doppler broadening of positron annihilation spectroscopy (DBPAS), which is also called the variable energy positron annihilation spectroscopy (VE...
[期刊论文] 作者：HU Yi-Fan,SUN Jia-Ning,D. W. Gidley,
来源：中国物理快报（英文版） 年份：2005
We investigate nano-porous structures in thin low-dielectric films, i.e. the pore sizes, distributions, and interconnectivity, by using depth profiled positroni...
[期刊论文] 作者：DONG Xi-Jie,HU Yi-Fan,WU Yu-Ying,ZHAO Jun,WAN Zhen-Zhu,
来源：中国物理快报（英文版） 年份：2010
...
[期刊论文] 作者：HU Yi-Fan,FU Dan-Rong,ZHANG Ying,ZHANG Fan,TANG Ting,
来源：中国物理快报（英文版） 年份：2007
Porous methyl silsesquioxane thin films with low dielectric constant are successfully synthesized by means of the sol-gel spin-coating method. The precursor sol...
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