Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用
点法，在苯溶液中对纯的物质进行了分子量测定。
点测定法的Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用点法，在苯溶液中对纯的物质进行了分子量测定。
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