Powdered soybean phospholipid was extracted from fresh hydrated oil footings with acetone extraction method.
采用丙酮萃取法从新鲜水化大豆油脚中提取粉末大豆磷脂。
Therefore, it is possible to use the cheap solvents (mixture of methanol and water) instead of the expensive hexane and acetone when the Accelerated Solvent Extraction method is employed.
这表明采用加速溶剂提取技术，可用价格较低的甲醇取代昂贵的正己烷和丙酮。
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。
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。
The effect of four factors, reaction time, solvent-to-solid ratio, acid-to-coal ratio and the water content in extraction mixture, were studied on the extraction rate of acetone-sulfuric acid method.
研究反应时间、液固比、酸煤比、提取液含水量四个因素对硫酸丙酮法提取效果的影响。
Methods Hydrochloric acid (HCL) decalcification method and TCA-acetone precipitation method were separately used for bone protein extraction. The efficiencies of these two methods were compared.
方法 采用盐酸脱钙法和三氯醋酸-丙酮沉淀法，分别用于骨组织蛋白的提取，并对两种方法的提取效率进行对比。
Methods Hydrochloric acid (HCL) decalcification method and TCA-acetone precipitation method were separately used for bone protein extraction. The efficiencies of these two methods were compared.
方法 采用盐酸脱钙法和三氯醋酸-丙酮沉淀法，分别用于骨组织蛋白的提取，并对两种方法的提取效率进行对比。
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