In precursors, clear layer structures are observed, especially some regular single and double helix nano rod, which are noble self-assemble structure.

前驱体中有多孔结构、良好的层状结构、特别是非常规则的单螺旋及双螺旋纳米棒，是比较新颖的一种纳米自组装结构。

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Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks.

实验结果表明，热处理前去掉冷拉棒表面的碎晶层可以防止它在热处理过程中产生裂纹。

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The application of rod thin layer chromatogram technology was applied in oil drilling field, providing a new way to on-site evaluate crude properties promptly and quantitatively.

将棒薄层色谱分析技术应用于石油钻井现场，为现场及时、定量评价原油性质提供了一种新途径。

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