However, during hot rolling, cooling and annealing process, a complex oxide structure layer will form on the surface of stainless steel due to oxidation.

但在热轧、冷却及退火等过程中，不锈钢工件的表面因氧化会产生一层结构比较复杂的氧化皮。

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The new solar structure consists of n-type nanocones made of zinc oxide surrounded by a p-type semiconductor matrix made of polycrystalline cadmium telluride.

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