LI X B. Interfacial structure and performance of stainless clad plate [J]. Journal of North University of China (Natural Science Edition), 2006, 27 (4) : 365-368.

[7]李晓波。不锈钢复合板的界面组织结构与性能[J]。中北大学学报(自然科学版)，2006,27 (4)：365 - 368。

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1982-1985 Post-graduate student of Farmland and Water Conservancy Engineering at the Graduate School of North China University of Water Conservancy and Electric Power;

1982年至1985年华北水利水电学院北京研究生部农田水利工程专业研究生；

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The work was done by researchers at North Carolina State University, the University of North Carolina at Chapel Hill, and China Pharmaceutical University (CPU).

这项工作是由来自北卡罗莱纳州立大学、北卡罗莱纳大学教堂山分校和中国医药大学（CPU） 的研究人员完成的。

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Chen Fengjun at the School of International Relations in Peking University notes growing public debate on whether to "abandon" North Korea but stresses that China's priority consideration is preventing an outflow of refugees or nuclear weapons triggered by instability or war.

BBC: China media: Tension over North Korea