Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用冰点法，在苯
对纯的物质进行了
子量测定。
Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用冰点法，在苯对纯的物质进行了子量测定。
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