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。
The efficient of three extraction techniques, alcohol extraction method, water extraction method and supercritical CO_2 extraction were studied.
采用乙醇提取法、水提取法及超临界CO_2萃取三种方法对虎杖样品进行抽提。
METHOD Under the same conditions of microwave power and extraction time, methanol, alcohol, toluene, acetone and hexamethylene were used as the extractant to carry out intermittent extraction.
方法在微波功率和萃取时间一定的条件下，分别选用有机溶剂甲醇、乙醇、甲苯、丙酮及环己烷为提取剂，进行间歇性提取。
In situ end-labeling method (POD) indicates:HL-60 cells apoptosis induced by Liu-Shen-Wan alcohol extraction have time-concentration dependency relation within certain ranges;
原位末端标记表明：六神丸乙醇提取剂诱导HL-60细胞凋亡在一定范围内呈时间-浓度依赖关系；
Method: TLC was used to test Radix Ophzopogonis and Flos Lonicerae, and assaying the alcohol extraction, as well as the granule stability.
方法：用薄层色谱鉴别颗粒剂中的麦冬、金银花，测定醇性浸出物，并考察本品的稳定性。
We select two possible ways of extraction - alcohol soaking method and centrifugal extraction.
我们通过查阅资料，选定了两种可行的提取方法——酒精浸泡提取法和榨取法。
METHODS:Based on the extraction rate of chlorophyll, acetone method was compared with alcohol method and the preparing factors of acetone method was optimized by orthogonal design.
方法：以叶绿素提取率为指标，对脱镁叶绿酸制备的乙醇法和丙酮法工艺进行比较，用正交试验法对丙酮法 的工艺条件进行优化。
METHODS:Based on the extraction rate of chlorophyll, acetone method was compared with alcohol method and the preparing factors of acetone method was optimized by orthogonal design.
方法：以叶绿素提取率为指标，对脱镁叶绿酸制备的乙醇法和丙酮法工艺进行比较，用正交试验法对丙酮法 的工艺条件进行优化。
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