Results: it was found that significant difference in quality existed in 6 batches of AMK medical material purchased from a same area.
结果：发现从同一产地所购6批白术药材质量存在极大差异。
Food grade macromolecule chitosan purchased from different company were analysed, and the quality criterion of raw material were determined.
对不同生产厂家的食品级大分子壳聚糖原料进行了对比分析，确定了原料的质量要求。
Food grade macromolecule chitosan purchased from different company were analysed, and the quality criterion of raw material were determined.
对不同生产厂家的食品级大分子壳聚糖原料进行了对比分析，确定了原料的质量要求。
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