When we adopt the amount of settling matter as a checking standard, substrate purity 10%, we can have a highest yield rate.
当以下层沉淀物得率为考察指标时，底物纯度为10%时，大豆异黄酮得率最高。
It is important to study the methods of checking chromatographic peak purity of explosives for preparations qualitative and quantitative analysis of the substance.
因此研究炸药色谱峰的峰纯度判别方法对于利用色谱峰来进行物质的定性、定量分析或制备有着至关重要的意义。
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