论文部分内容阅读
非金属矿的利用问题是一个既反映工农业和人民生活的需求,又反映工业生产和现代科学技术发展水平的问题。当前,国外的非金属矿产值(包括第二世界国家)一般都达到金属矿的二倍。其主要利用途径集中在下面八个方面: (一)作玻璃陶瓷原料
The utilization of non-metallic ores is a question that reflects not only the needs of industry, agriculture and people but also the level of industrial production and the development of modern science and technology. At present, foreign non-metallic mineral value (including the second world countries) generally reach twice the metal mine. Its main use of ways to focus on the following eight aspects: (A) for glass ceramic raw materials