With the decreasing of beryl ore, one of the best quality beryllium minerals, much attention has been payed in the research on extracting beryllium oxide from the beryllium minerals containing large amounts of fluorine.
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- 由于高品质的绿柱石日益匮乏,使得从高氟铍矿石中提取氧化铍的工艺研究越来越受到重视。