This paper introduces in detail the present situation in research and development of bulk ferromag-netic amorphous alloys produced by the slow cooling and solidificatin technique. 根据国内外发表的最新文献详细介绍了利用缓冷凝固技术制备的铁磁性大块非晶合金的研究开发现状。
Theprinciple of wet-way purification has been analyzed according to the mineralcharacteristics and current developing situation of Guangxi Ningming bentonite in thispaper. 根据广西宁明膨润土的矿物特性和目前的开发现状，分析了湿法提纯的原理。
