扫描电镜显示，试样表面的腐蚀产物膜呈网格状，裂纹呈树枝型，腐蚀产物膜上的沉积物呈花朵状；
SEM showed that sample surface of passive film was grid, and crack was branch-type, and sediment on passive film was bloom shape.
运用图论中的哈密尔顿图，可以将树枝型专用线取送车问题，转化为求哈密尔顿图中权值最小的哈密尔顿回路问题。
By using Hamilton graph, the problem of wagons placing-in and taking-out on branch-shaped sidings can be turned into searching Hamilton loop of minimum power.
本文主要综述了硅氧烷型、碳硅烷型、硅烷型树枝状大分子的合成方法及含硅的树状金属络合物的研究进展。
In this paper, methods of synthesis of siloxane dendrimers, carbosilane dendrimers and silane dendrimers, and progress in silicon-based dendritic metal complexes were summarized.
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