Method: Same mobile phase and detection wavelength were selected and suitable precipitating agent was used. The HPLC conditions were optimized.

方法：选择相同的流动相和检测波长，采用适当的沉淀剂，对四种添加剂的检测条件进行了优化。

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The factors influencing precipitating type of carbon atom in cast irons include: alloys factors, cooling rate and nucleus conditions of the melt.

影响铸铁碳原子析出形式的因素有：合金因素、冷却速度及熔液的核心状况。

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