Methods: Orthogonal experiment was arranged to screen the optimization formulation of suspending 'reagent to variation coefficient in the rate of indicators.
方法：采用正交试验安排试验，以变异系数为指标进行细胞悬浮剂最优配方的筛选。
Orthogonal design was used to screen the best extract method and moulding method for Volatile oil, Musk and cow-bezoar.
采用正交设计方法筛选干姜、霍香挥发油、麝香、牛黄的最佳提取工艺和成型工艺。
Conclusion Orthogonal Test Method can enhance the efficiency to screen the best combination of three medical herbs, and is of time saving and resource saving.
结论正交设计方法有效的筛选出了三种天然药物的最佳组合方案，提高了实验效率，节约科研资源。
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