论文部分内容阅读
In the past 20 years, social influence of rare earth industry in Sichuan province was gradually enlarged along with the deep processing of rare earth products and extension of industrial chains. More than 600 tons of rare earths were consumed in high technical fields in 2005, 30 times increased
In the past 20 years, social influence of rare earth industry in Sichuan province was yet enlarged along with the deep processing of rare earth products and extension of industrial chains. More than 600 tons of rare earths were consumed in high technical fields in 2005, 30 times increased