近日美国能源部发出警告,在新技术领域诸如风力发电、电动汽车和高效照明系统中使用的五种基本稀土元素正面临严重供应短缺。美国能源部在其《2011年关键材料战略》报告中称,五种稀土元素镝、铽、钇、钕和铕已经 Recently, the U.S. Department of Energy warned that the five basic rare earth elements used in new technologies such as wind power, electric vehicles and high-efficiency lighting systems are facing a serious shortage of supply. The United States Department of Energy in its “2011 Key Materials Strategy” report said the five rare earth elements dysprosium, terbium, yttrium, neodymium and europium have been