Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organic acid and inorganic acid as eluent was studied.
系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
本文研究了以对甲苯磺酸为催化剂，氯苯为溶剂，室温附近的条件下，苯酚及对叔丁基酚与甲缩醛反应的动力学。
The invention also discloses a preparation method of the polylactic acid combination containing the sulfonic acid compound and the nitrogenous organic compound.
本发明还公开了一种含有磺酸化合物和含氮有机化合物的聚乳酸组合物的制备方法。
The invention also discloses a preparation method of the polylactic acid combination containing the sulfonic acid compound and the nitrogenous organic compound.
本发明还公开了一种含有磺酸化合物和含氮有机化合物的聚乳酸组合物的制备方法。
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