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本单位长期以来开展稀土发光材料的研究,稀土三基色荧光粉主要用于制备紧凑型节能灯,也可用于各种高效的单色灯。国外对其的需求量每年以15%左
The unit has long been the development of rare earth luminescent materials, rare earth trichromatic phosphors for the preparation of compact energy-saving lamps, but also can be used for a variety of efficient monochromatic lamps. The demand of foreign countries for each of them is 15% left