本文用乙醇金属离子分级分离法，从新生小牛血清中分离提取胎球蛋白。
We have isolated the fetuin from sera of newborn calves by ethanol fractionation in the presence of zinc and barium ions.
方法醇类溶剂提取法、离子交换树脂分离法。
Methods Alcohol and strong acid cation exchange resin were used in the extraction and separation.
即用沉淀分离法提取PV C塑料中的DOP，然后，借助于HPLC法分离测定提取物中的DOP。
The DOP is recovered from the PVC plastics by precipitation separation. It is then separated and determined by HPLC.
方法采用预发酵法、分离法、酶解法、预发酵-黑曲霉发酵法、双分离法等提取黄姜皂素。
MethodsThe diosgenin was extracted by prefermentation, separation, enzymic hydrolysis, prefermentation and fermentation by A. niger and double-separation.
方法采用预发酵法、分离法、酶解法、预发酵-黑曲霉发酵法、双分离法等提取黄姜皂素。
MethodsThe diosgenin was extracted by prefermentation, separation, enzymic hydrolysis, prefermentation and fermentation by A. niger and double-separation.
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