This paper describes the effect of composition and granularity of silica sand on glass quality. Brings forward optimal mix proportion of silica sand from various ore-fields.
阐述了不同产地硅砂搭配使用过程中，硅砂成分及粒度组成对玻璃质量的影响，提出了硅砂最优化搭配方案。
The result shows that the REE features of host rocks in the two uranium ore-fields are rich in LREE with Eu negative abnormality.
结果发现两个铀矿田的围岩REE特征均为LREE富集型，具有明显的负铕异常。
The result shows that the REE features of host rocks in the two uranium ore-fields are rich in LREE with Eu negative abnormality.
结果发现两个铀矿田的围岩REE特征均为LREE富集型，具有明显的负铕异常。
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