The product was recrystallized by non-polar or low-polar solvent.
并用非极性溶剂或弱极性溶剂进行重结晶。
In the liquefying reaction of swollen coal, polar solvent enhanced the reaction activity.
在溶胀煤的液化反应中，极性溶胀溶剂明显提高了煤的反应活性。
The paper studied a method of preparing noncovalent molecular imprinting polymer(MIP) in polar solvent.
本文对极性溶剂中非共价型分子烙印聚合物的制备条件进行了研究。
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