Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用冰点法，在苯溶液中对纯的
行了
子量测定。
} freezing point化} freezing temperatureMolecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用冰点法，在苯溶液中对纯的行了子量测定。
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