Methods:The orthogonal experiment by water extraction was made.
方法：水提取正交实验。
Conclusion: the alcohol extraction method is superior to the water extraction method.
结论：乙醇提取法优于水提取法。
Results Water distillation method was good for the extraction of essential oil.
结果水蒸气蒸馏法更有利于白术挥发油的提取；
Water body extraction is the theoretical foundation of water resource and flood disaster monitoring.
利用遥感数据提取水体，是水资源和洪涝灾害监测的重要手段及其理论基础。
Once extraction rate can be up to 90.42% by distilled water.
蒸馏水一次提取可以达到90.42%的提取率。
Once extraction rate can be up to 90.42% by distilled water.
蒸馏水一次提取可以达到90.42%的提取率。
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