A simple, selective chelatometric titration method to determine the high content of tin in tin bearing alloy and ore sample is proposed.
提出测定含锡合金和矿样中高含量锡的一种简易、 选择性螯合滴定法。
An aluminum silicon die cast alloy having a very low iron content and relatively high strontium content that prevents soldering to dies into die casting process.
一种铝硅模铸合金，具有非常低的铁含量和相对较高的锶含量，用来防止在模铸过程中焊接在模具上。
The chemical compositions of new cast alloy steel with high si content was designed, its microstructure and corrosion behavior were studied.
设计了一种含硅量较高的新型铸造合金钢，并研究了该合金钢的显微组织及其腐蚀行为。
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