精制dmf
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refining DMF 精制DMF
dmf refining
dmf精炼
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Theoretical and experimental basis of choosing solvent for refining anthracene is discussed and the method of improving anthracene yield by solvent DMF and solvent a is studied in this paper.
本文论述了精蒽提纯溶剂选择的理论根据和试验依据，研究了以DMF及溶剂A为溶剂提高精蒽收率的方法。
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