The effects of different excipients on the gastric-floating ability were investigated by orthogonal experimental design and ocular observation.
通过正交实验设计，比较各种辅料因素对漂浮能力的影响。
Actual production observation is made of the sintering process for the phosphorus furnace charge in the large yellow phosphorus unit introduced from abroad by the orthogonal statistical method.
运用正交统计方法，对大型引进黄磷装置磷炉原料的烧结工艺进行生产过程实测。
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