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。
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。
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。
By contrast, the manned SR-71 Blackbird, used for many years by the U. S. Air Force, had a top speed of just more than Mach 3.
相比之下，载人的SR- 71黑鸟，供美国空军使用多年，有一个仅比3马赫以上的速度。
Nancy Walker Bush Ellis (born 1926), Prescott Bush Sr. 's third child, and the only daughter.
南希特沃克布什埃利斯(生于1926年)，普雷斯科特老布什的第三个孩子，也是唯一的女儿。
Nancy Walker Bush Ellis (born 1926), Prescott Bush Sr. 's third child, and the only daughter.
南希特沃克布什埃利斯(生于1926年)，普雷斯科特老布什的第三个孩子，也是唯一的女儿。
应用推荐