在日本的各个参与者都努力回收稀土和金属。
Various players have tried to recycle rare earths and metals in Japan.
与此同时，日本的日立已经开始回收稀土金属用于硬盘和其他材料的制作。
In Japan, meanwhile, Hitachi has started a recycling effort to recover rare earths from hard drives and other materials.
研究了固氟氯化铵焙烧法分解包头混合型稀土精矿回收稀土的动力学。
The kinetics on chlorinating the rare earth of Baotou rare earth mixed concentrate after fixed fluorine treatment was determined.
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