实验采用二异氰酸酯与聚醚二元醇、亲水扩链剂反应合成水性聚氨酯。
In the experiment, di-isocyanate, polyether diol and a hydrophilic chain-extender were used to synthesize aqueous urethane.
该模型可以用来预测三次采油中采用的二元混合表面活性剂在油藏中的色谱分离过程，因而可作为选择驱油体系的工具。
This model can also be used to predict the process of chromatographic fractionation of binary surfactant mixture used in tertiary oil recovery and to select oil-displacement system.
采用二甘醇作为加合物的分解剂，得到了二元酸。
Diacid has been got using diethylene glycol as decomposition agent of adduct.
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