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[会议论文] 作者：Zhihong Xia,
来源：Workshop on Symplectic dynamics and Hamiltonian dynamics(辛动力 年份：2014
We study the existence of homoclinic points for hyperbolic periodic points for area preserving diffeomorphisms.We show that,on the two sphere and under some...
[期刊论文] 作者：Hui LUAN,Zhihong XIA,
来源：国际技术管理 年份：2014
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[会议论文] 作者：CHEN Ziyi,LAN Shouren,FANG Zhihong,XIA Yong,WANG Lisheng,YAN Jingqi,
来源：第五届宝钢学术年会 年份：2013
The surface quality of the steel slab directly affects the performance and quality of the final steel products.Due to the raw material,rolling equipment and processing technology,however,different typ...
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