Present Situation and Prospects of High-purity Elements in China

查看全文 作　　者：Zhang Weihuo Emei Semiconductor Material Research Institute.Emei 614200,China 出　　处：《Rare Metals》索引1992年第11卷第3期,共4页 摘　　要：1.IntroductionHigh-purity elements are the basic materials in electronics,communication,aerospace,atomicenergy and semiconductor material industries.Its development is a decisive factor for high-tech in-dustries.The high-purification of non-ferrous metals is of great significance.It conduces to 关 键 词：PURITY FERROUS electronics aerospace PURIFICATION SHANDONG manufacture HUNAN installation engaged