The good effect has been gained on the hypereutectic Al Si alloys treated with some double refining and modifying agents such as P, S, RE, Sr, Na, C, etc.

采用磷、硫、稀土、锶、钠、碳等进行双重细化变质处理过共晶铝硅合金已取得了良好的效果。

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The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.

亚共晶铝硅合金的变质元素除钠以外，还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中，应用较多的是含钠和锶的变质剂。

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Therefore the decryption quality of key design from IAFC is better than that of key designed from G-S and SR algorithms.

采用模糊控制迭代算法生成的密钥解密质量优于G - S算法和平滑修正法。

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The FIA itself claims Piquet's father Nelson Sr alerted president Max Mosley to the possibility of a plot following last year's race but that, as his son was not willing to make a statement, the FIA could not proceed with an investigation without further evidence.

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