然后利用相似相溶原理选择了四种有机溶剂进行剥离实验：丙酮、二甲苯、二甲基甲酰胺及乙酸乙酯。
Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.
以硅酸钠、乙酸乙酯、聚丙烯酰胺等为主要成分制备出亲水膜层。
Hydrophilic membranes were prepared with key components of sodium silicate, acetic ether, polyacrylamide, etc.
采用硅胶、聚酰胺、葡聚糖凝胶LH-20柱层析法和制备薄层层析法对乙酸乙酯和正丁醇提取物进行了分离、纯化。
The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.
采用硅胶、聚酰胺、葡聚糖凝胶LH-20柱层析法和制备薄层层析法对乙酸乙酯和正丁醇提取物进行了分离、纯化。
The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.
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