The improvement of the purity of fluorene is not dependent on the removal of acenaphthene and dibenzofuran, but dependent on the separation of other impurities.
芴纯度提高主要不是依赖苊、氧芴
去除,而是其它杂质
。
The improvement of the purity of fluorene is not dependent on the removal of acenaphthene and dibenzofuran, but dependent on the separation of other impurities.
芴纯度提高主要不是依赖苊、氧芴
去除,而是其它杂质
。
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