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。
Flame atom absorption method for simultaneously determining Ba and Sr in steelmaking slag has been studied.
本文研究了钢渣中的锶和钡同时测定的原子吸收法。
Birch Liquid Contained rich bioactive substances, multiple kinds of carbohydrate, more than 20 kinds of amino acids, and trace elements such as Si, Fe, Sr, ti, Ba and Cu etc.
桦树液中富含生物活性物质，含有多种碳水化合物、20多种氨基酸和微量元素硅、铁、锶、钛、钡、铜等。
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