In the condition of industrial production, orthogonal test and slab rolling comparison test were had by adding different rare earth element and alloying element.
在工业生产条件下，通过添加不同的稀土元素和合金元素进行正交试验及板坯轧制对比试验。
From the solvent comparison test, single factor test and orthogonal test, the optimum extracting solvent and conditions were obtained to extract soybean isoflavone from defatted soybean meal.
通过溶剂对比实验及单因素实验和正交实验，确定了从脱脂豆粕中提取大豆异黄酮的最佳提取溶剂及最佳提取条件。
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