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。
To improve significantly the biosynthesis of isovaleryl-L-carnitine catalyzed by lipase needs to select an efficient and suitable reaction medium that is not only polar but also hydrophobic.
异戊酰- L -肉碱的酶催化合成需要选择疏水、极性的溶剂作为反应介质。
Possibility reaction mechanism was proposed, which could be used to explain the spontaneous termination reaction in anionic polymerization of butadiene in the presence of polar additives.
对这些破坏活性中心的反应所提出来的反应机理，可以用于解释丁二烯阴离子聚合中的自发终止现象。
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