The phase separation extracting (floatation) technique is a new enrichment and separation method developed in recent years.
析相萃取（ 浮选）技术是近年来出现的一种新的分离富集方法。
The method to determine trace gold in rock salt samples with ion exchange separation and enrichment is approached.
探讨了用离子交换分离富集极谱法测定岩矿样品中的痕量金的方法。
Method: Based on enrichment culture, blood plate separation, the flask culture and exclusive circle of methods such as oil.
方法：富集培养、血平板分离、摇瓶培养和排油圈测定。
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