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1·The paper think that is of active significance for the comprehensive utilization of by product green vitriol.

本研究对副产绿矾的综合利用有重要意义。

2·The crude TPS, extracted from green tea in this laboratory, was a kind of powdery and gray material, and contained polysaccharides about 15% by anthrone-vitriol method employed glucose as standard.

自制粗茶多糖呈灰白色粉末状，用葡萄糖做标准曲线，蒽酮-硫酸法测定其含量为15%。