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。

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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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On the West coast, Perth lies at the center of its vast natural gas and iron ore fields that are supplying China with much of the raw material for its factories.

WSJ: Australian Property, Long an Outlier, Joins Decline