废水通过油脂分离器后汇入渗水坑。
样本提取以后，除去牧师们用来保存尸体用的油脂和松香等多余物质，将DNA分离出来。
After the samples were extracted, the DNA had to be separated from unwanted substances, including the unguents and resins the priests had used to preserve the bodies.
分别采用硅胶柱色谱法和溶剂抽提，分离优质塑料抛光膏中的油脂和磨料部分。
Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
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