The results showed that the activity of ionic liquid correlated strongly with its acidity, and only acidic ionic liquid had alkylation activity.

实验表明，离子液体的催化活性与其酸强度密切相关，只有在酸性条件下，离子液体对烷基化反应才有催化活性。

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The effects of polarity of resin, type of eluents acidity of water, ionic strength, rate of adsorption and elution on the percentage of recovery were described.

探讨了树脂极性、洗脱剂种类、水样酸度、离子强度、吸附与解吸速度等对回收率的影响。

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